Regulatory Guide 1.84: Difference between revisions

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{{Adams
{{Adams
| number = ML19128A276
| number = ML16321A335
| issue date = 03/16/2020
| issue date = 03/31/2017
| title = Rev. 38, Design, Fabrication, and Materials Code Case Acceptability, ASME Section III
| title = 7, Design, Fabrication, and Materials Code Case Acceptability ASME Section III
| author name = Lin B
| author name = Facco G
| author affiliation = NRC/RES/DE
| author affiliation = NRC/RES
| addressee name =  
| addressee name =  
| addressee affiliation =  
| addressee affiliation =  
| docket =  
| docket =  
| license number =  
| license number =  
| contact person = Lin B
| contact person = Giovanni Facco, 301-415-6337
| document report number = RG- 1.084, Rev 38
| case reference number = NRC-2012-0059, RIN 3150-AJ13
| package number = ML19156A147
| document report number = RG-1.084, Rev 37
| document type = Regulatory Guide
| document type = Regulatory Guide
| page count = 57
| page count = 59
}}
}}
{{#Wiki_filter:U.S. NUCLEAR REGULATORY COMMISSION  
{{#Wiki_filter:U.S. NUCLEAR REGULATORY COMMISSION  
REGULATORY GUIDE 1.84, REVISION 38
March 2017 OFFICE OF NUCLEAR REGULATORY RESEARCH
Revision 37 REGULATORY GUIDE  


Issue Date: October 2019 Technical Lead: Bruce Lin
Technical Lead Giovanni Facco


Written suggestions regarding this guide or development of new guides may be submitted through the NRCs public Web site in the NRC Library at https://nrcweb.nrc.gov/reading-rm/doc-collections/reg-guides/, under Document Collections, in Regulatory Guides, at https://nrcweb.nrc.gov/reading-rm/doc-collections/reg-guides/contactus.htm
Written suggestions regarding this guide or development of new guides may be submitted through the NRCs public Web site under the Regulatory Guides document collection of the NRC Library at http://www.nrc.gov/reading-rm/doc-collections/reg-guides/contactus.html.


====l.     ====
Electronic copies of this regulatory guide, previous versions of this guide, and other recently issued guides are available through the NRCs public Web site under the Regulatory Guides document collection of the NRC Library at http://www.nrc.gov/reading-rm/doc-collections/. 
The regulatory guide is also available through the NRCs Agencywide Documents Access and Management System (ADAMS) at http://www.nrc.gov/reading-rm/adams.html, under ADAMS Accession No. ML16321A335. The regulatory basis for this guide is the regulatory analysis prepared for the amendment to 10 CFR 50.55a (ADAMS Accession No. ML16285A013. The staff responses to the public comments on DG-1295 may be found under ADAMS Accession No. ML16285A012.


Electronic copies of this RG, previous versions of RGs, and other recently issued guides are also available through the NRCs public Web site in the NRC Library at https://nrcweb.nrc.gov/reading-rm/doc-collections/reg-guides/, under Document Collections, in Regulatory Guides. This RG is also available through the NRCs Agencywide Documents Access and Management System (ADAMS) at http://www.nrc.gov/reading-rm/adams.html, under ADAMS Accession Number (No.) ML19128A276. The regulatory analysis for this guide is the regulatory analysis prepared for the amendment to 10 CFR 50.55a and may be found in ADAMS
REGULATORY GUIDE 1.84 (Draft was issued as DG-1295, dated March 2016)  
under Accession No. ML19156A178. The associated draft guide DG-1345 may be found in ADAMS under Accession No.
 
ML18114A228, and the staff responses to the public comments on DG-1345 may be found in the Federal Register Notice for the Final Rule under ADAMS Accession No. ML19156A174.


DESIGN, FABRICATION, AND MATERIALS CODE CASE  
DESIGN, FABRICATION, AND MATERIALS CODE CASE  
Line 34: Line 33:
Purpose  
Purpose  


This regulatory guide (RG) lists the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel (BPV) Code, Section III, Rules for Construction of Nuclear Power Plant Components (Ref. 1), Code Cases that the U.S. Nuclear Regulatory Commission (NRC) has approved for use as voluntary alternatives to the mandatory ASME BPV Code provisions that are incorporated by reference into Title 10 of the Code of Federal Regulations (10 CFR), Part 50, Domestic Licensing of Production and Utilization Facilities (Ref. 2).  
This regulatory guide (RG) lists the American Society of Mechanical Engineers (ASME)  
Section III Code Cases that the U.S. Nuclear Regulatory Commission (NRC) has approved for use as voluntary alternatives to the mandatory ASME Boiler and Pressure Vessel (BPV) Code provisions that are incorporated by reference into Title 10, Part 50, of the Code of Federal Regulations (10 CFR Part 50),  
Domestic Licensing of Production and Utilization Facilities (Ref. 1).  


Applicability
Applicability  


This RG applies to reactor licensees subject to 10 CFR Part 50, Section 50.55a, Codes and standards.
This RG applies to reactor licensees subject to 10 CFR Part 50, Section 50.55a, Codes and Standards.


Applicable Rules and Regulations  
Applicable Rules and Regulations  


*  
*  
General Design Criterion (GDC) 1, Quality Standards and Records, of Appendix A, General Design Criteria for Nuclear Power Plants, to 10 CFR Part 50 requires, in part, that structures, systems, and components important to safety be designed, fabricated, erected, and tested to quality standards commensurate with the importance of the safety function to be performed. Where generally recognized codes and standards are used, GDC 1 requires that they be identified and evaluated to determine their applicability, adequacy, and sufficiency and be supplemented or modified as necessary to ensure a quality product in keeping with the required safety function.
General Design Criterion (GDC) 1, Quality Standards and Records, of Appendix A, General Design Criteria for Nuclear Power Plants, to 10 CFR Part 50 requires, in part, that structures, systems, and components important to safety be designed, fabricated, erected, and tested to quality standards commensurate with the importance of the safety function to be performed.
 
*
10 CFR Part 50, Appendix A, GDC 30, Quality of Reactor Coolant Pressure Boundary, requires, in part, that components that are part of the reactor coolant pressure boundary be designed, fabricated, erected, and tested to the highest practical quality standards.


RG 1.84, Rev. 38, Page 2
Where generally recognized codes and standards are used, Criterion 1 requires that they be identified and evaluated to determine their applicability, adequacy, and sufficiency and be supplemented or modified as necessary to ensure a quality product in keeping with the required safety function.


*  
*  
10 CFR Part 50, Appendix B, Quality Assurance Criteria for Nuclear Power Plants and Fuel Processing Plants, requires, in part, that measures be established for the control of special processing of materials and that proper testing be performed.
Criterion 30, Quality of Reactor Coolant Pressure Boundary, of Appendix A to 10 CFR Part 50  
requires, in part, that components that are part of the reactor coolant pressure boundary be designed, fabricated, erected, and tested to the highest practical quality standards.


RG 1.84, Page 2
*  
*  
10 CFR 50.55a(c) requires, in part, that components of the reactor coolant pressure boundary must be designed, fabricated, erected, and tested in accordance with the requirements for the Class 1 components of ASME BPV Code, Section III, or equivalent quality standards.
Appendix B, Quality Assurance Criteria for Nuclear Power Plants and Fuel Processing Plants, to 10 CFR Part 50 requires, in part, that measures be established for the control of special processing of materials and that proper testing be performed.


*  
*  
10 CFR 52.79(a)(11) (Ref. 3) requires the final safety analysis report to include a description of the program(s), and their implementation, necessary to ensure that the systems and components meet the requirements of the ASME Boiler and Pressure Vessel Code and the ASME Code for Operation and Maintenance of Nuclear Power Plants in accordance with 50.55a of this chapter.
The regulation in 10 CFR 50.55a(c), Reactor Coolant Pressure Boundary, requires, in part, that components of the reactor coolant pressure boundary must be designed, fabricated, erected, and tested in accordance with the requirements for Class 1 components of Section III, Rules for Construction of Nuclear Power Plant Components (Ref. 2), of the ASME BPV Code or equivalent quality standards.


Related Guidance  
Related Guidance  


*  
*  
RG 1.147, Inservice Inspection Code Case Acceptability, ASME Section XI, Division 1 (Ref. 4), lists the ASME BPV Code, Section XI, Rules for Inservice Inspection of Nuclear Power Plant Components, Code Cases that the NRC has approved for use as voluntary alternatives to the mandatory ASME BPV Code provisions that are incorporated into 10 CFR 50.55a.
Regulatory Guide 1.147, Inservice Inspection Code Case Acceptability, ASME Section XI,  
Division 1 (Ref. 3), lists the ASME Section XI Code Cases that the NRC has approved for use as voluntary alternatives to the mandatory ASME BPV Code provisions that are incorporated into  
10 CFR 50.55a.


*  
*  
RG 1.192, Operation and Maintenance Code Case Acceptability, ASME OM Code (Ref. 5), lists the ASME Operation and Maintenance Code (OM Code) Code Cases that the NRC has approved for use as voluntary alternatives to the mandatory ASME OM Code provisions that are incorporated into 10 CFR 50.55a.
Regulatory Guide 1.192, Operation and Maintenance Code Case Acceptability, ASME OM  
Code (Ref. 4), lists the ASME Operation and Maintenance Code (OM Code) Code Cases that the NRC has approved for use as voluntary alternatives to the mandatory ASME OM Code provisions that are incorporated into 10 CFR 50.55a.


*  
*  
RG 1.193, ASME Code Cases Not Approved for Use (Ref. 6), lists the ASME BPV Code, Section III and Section XI, Code Cases and the ASME OM Code Cases that the NRC has not approved for generic use.
Regulatory Guide 1.193, ASME Code Cases Not Approved for Use (Ref. 5), lists the ASME  
Section III and Section XI Code Cases that the NRC has not approved for generic use.


Purpose of this Regulatory Guide  
Purpose of This Regulatory Guide  


The NRC incorporated this RG into 10 CFR 50.55a by reference. The RG contains new Code Cases and revisions to existing Code Cases that the staff has approved for use, as listed in Tables 1 and 2 of this guide. The RG also states the requirements that govern the use of Code Cases. Licensees may voluntarily use Code Cases approved by the NRC as an alternative to compliance with the ASME Code provisions that have been incorporated by reference into 10 CFR 50.55a. Because the status of Code Cases continually changes, the staff plans to periodically update 10 CFR 50.55a and this guide to accommodate new Code Cases and any revisions to existing Code Cases.
The NRC will amend 10 CFR 50.55a to incorporate by reference the new Code Cases and revisions to existing Code Cases listed as approved in Tables 1 and 2 of this guide, and to state the requirements governing the use of Code Cases. Code Cases approved by the NRC may be used voluntarily by licensees as an alternative to compliance with ASME Code provisions that have been incorporated by reference into 10 CFR 50.55a. Because of continuing change in the status of Code Cases, the staff plans periodic updates to 10 CFR 50.55a and this guide to accommodate new Code Cases and any revisions of existing Code Cases.


Paperwork Reduction Act
Paperwork Reduction Act  


This RG provides voluntary guidance for implementing the mandatory information collections in
This RG contains and references information collections covered by 10 CFR Part 50 that are subject to the Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.). These information collections were approved by the Office of Management and Budget (OMB), control number 3150-0011.
10 CFR Parts 50 and 52 that are subject to the Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et. seq.).  
These information collections were approved by the Office of Management and Budget (OMB), approval numbers 3150-0011 and 3150-0151. Send comments regarding this information collection to the Information Services Branch (T6-A10M), U.S. Nuclear Regulatory Commission, Washington, DC 20555-
0001, or by e-mail to Infocollects.Resource@nrc.gov, and to the OMB reviewer at:  OMB Office of Information and Regulatory Affairs (3150-0011 and 3150-0151), Attn: Desk Officer for the Nuclear Regulatory Commission, 725 17th Street, NW Washington, DC20503; e- mail: 
oira_submission@omb.eop.gov.
 
RG 1.84, Rev. 38, Page 3


Public Protection Notification  
Public Protection Notification  


The NRC may not conduct or sponsor, and a person is not required to respond to, a collection of information unless the document requesting or requiring the collection displays a currently valid OMB  
The NRC may not conduct or sponsor, and a person is not required to respond to, a request for information or an information collection requirement unless the requesting document displays a currently valid OMB control number.
control number.


RG 1.84, Rev. 38, Page 4
RG 1.84, Page 3


==B. DISCUSSION==
==B. DISCUSSION==
Reason for Revision  
Reason for Revision  


RG 1.84, Revision 38, includes new information reviewed by the NRC on the Section III Code Cases listed in Supplement 11 to the 2010 Edition and Supplements 0 through 7 to the 2013 Edition of the ASME BPV Code. The NRC did not review any Code Cases from the 2015 and 2017 Editions for inclusion in this RG. This revision updates and supersedes RG 1.84, Revision 37, which included information from Supplement 11 to the 2007 Edition and Supplements 0 through 10 to the 2010 Edition.
This revision (Revision 37) of RG 1.84 includes new information reviewed by the NRC of Section III Code Cases listed in Supplement 11 to the 2007 Edition and Supplements 0 through 10 to the  
2010 Edition. This is an update to RG 1.84, Revision 36, which included information from Supplements  
1 through 10 to the 2007 Edition.


Background  
Background  


Provisions of the ASME Code have been used since 1971 as one part of the framework to establish the necessary design, fabrication, construction, testing, and performance requirements for structures, systems, and components important to safety. Among other things, ASME standards committees develop improved methods for the construction and inservice inspection of ASME Class 1, 2, 3, metal containment (MC), and concrete containment (CC) nuclear power plant components. A broad spectrum of stakeholders participates in the ASME process to help ensure consideration of various interests.
Provisions of the ASME BPV Code have been used since 1971 as one part of the framework to establish the necessary design, fabrication, construction, testing, and performance requirements for structures, systems, and components important to safety. Among other things, ASME standards committees develop improved methods for the construction and inservice inspection (ISI) of ASME Class  
1, 2, 3, MC (metal containment), and CC (concrete containment) nuclear power plant components. A  
broad spectrum of stakeholders participates in the ASME process, which helps to ensure that the various interests are considered.


ASME publishes a new edition of the BPV Code, which includes Section III, every 2 years. In
The ASME publishes a new edition of the BPV Code, which includes Section III, every 2 years.
10 CFR 50.55a(a)(1)(i), the NRC references the latest edition of Section III, that the agency has approved for use. ASME also publishes Code Cases quarterly. Code Cases provide alternatives that ASME
developed and approved. This RG identifies the Code Cases that the NRC has determined to be acceptable alternatives to applicable parts of Section III. Under 10 CFR 50.55a(z), a licensee or applicant may use Section III Code Cases that the NRC has not yet endorsed. In 10 CFR 50.55a(z), the NRC permits the use of alternatives to the Code requirements referenced in 10 CFR 50.55a provided that the proposed alternatives result in an acceptable level of quality and safety and their use is authorized by the Director of the Office of Nuclear Reactor Regulation or the Director of the Office of New Reactors, as applicable.


The NRC incorporated the ASME BPV Code by reference into 10 CFR 50.55a. NRC-approved Code Cases provide an acceptable voluntary alternative to the mandatory ASME Code provisions. The regulation at 10 CFR 50.55a(b)(4) provides the requirements related to the implementation of ASME
The latest edition of Section III that the NRC has approved for use are referenced in 10 CFR  
Section III Code Cases. When a licensee initially applies a Code Case listed in Tables 1 or 2 of this guide, it must implement the most recent version of that Code Case incorporated by reference in 10 CFR 50.55a.
50.55a(a)(1)(i). The ASME also publishes Code Cases quarterly.  Code Cases provide alternatives developed and approved by ASME.  This regulatory guide identifies the Code Cases that have been determined by the NRC to be acceptable alternatives to applicable parts of Section III.  Section III Code Cases not yet endorsed by the NRC may be used by a licensee or applicant through 10 CFR 50.55a(z). 
That section permits the use of alternatives to the Code requirements referenced in 10 CFR 50.55a provided that the proposed alternatives result in an acceptable level of quality and safety, and that their use is authorized by the Director of the Office of Nuclear Reactor Regulation, or Office of New Reactors, as applicable.


ASME may annul a Code Case because its provisions have been incorporated into the Code, the application for which it was specifically developed no longer exists, or experience has shown that the design analysis or construction method is no longer required. After ASME annuls a Code Case and after the NRC amends 10 CFR 50.55a and this guide, applicants or licensees may not implement that Code Case for the first time. However, a licensee or an applicant that implemented the Code Case before its annulment may continue to use that Code Case until it voluntarily updates its Section III Code of Record.
The ASME Code is incorporated by reference into 10 CFR 50.55a.  Code Cases approved by the NRC provide an acceptable voluntary alternative to the mandatory ASME Code provisions.


If the NRC incorporated a Code Case by reference into 10 CFR 50.55a and ASME later annulled it because experience has shown that the design analysis or construction method is no longer required, the NRC will amend 10 CFR 50.55a and this guide to remove the approval of the annulled Code Case.
Requirements related to Code Case implementation are provided in 10 CFR 50.55a(b).  When a licensee initially applies a Code Case listed in Tables 1 or 2 of this guide, the licensee must implement the most recent version of that Code Case incorporated by reference in 10 CFR 50.55a.


Licensees or applicants should not begin to implement such annulled Code Cases in advance of the rulemaking. Notwithstanding these requirements, the Commission may impose new or revised Code requirements, including implementation schedules, that it determines are consistent with 10 CFR 50.109, Backfitting.
Code Cases may be annulled because the provisions have been incorporated into the Code, the application for which it was specifically developed no longer exists, or experience has shown that the design analysis or construction method is no longer required.  After the ASME annuls a Code Case and the NRC amends 10 CFR 50.55a and this guide, applicants or licensees may not implement that Code Case for the first time.  However, a licensee or an applicant who implemented the Code Case prior to annulment may continue to use that Code Case until the licensee voluntarily updates its Section III Code of record.  If a Code Case is incorporated by reference into 10 CFR 50.55a and later annulled by the ASME because experience has shown that the design analysis or construction method is no longer required, the NRC will amend 10 CFR 50.55a and this guide to remove the approval of the annulled Code Case.  Licensees or applicants should not begin to implement such annulled Code Cases in advance of the rulemaking. Notwithstanding these requirements, the Commission may impose new or revised Code  


A Code Case may be revised, for example, to incorporate user experience. The licensee or applicant cannot apply an older or superseded version of the Code Case for the first tim
RG 1.84, Page 4 requirements, including implementation schedules, which it determines are consistent with the Backfit Rule (10 CFR 50.109).  


====e. If an applicant or ====
A Code Case may be revised, for example, to incorporate user experience. The older or superseded version of the Code Case cannot be applied by the licensee or applicant for the first time.  If an applicant or a licensee applied a Code Case listed in Tables 1 or 2 of this guide before it was listed as superseded, the applicant or the licensee may continue to use the Code Case until the applicant or the licensee updates its construction Code of Record (in the case of an applicant, updates its application).  If a Code Case is incorporated by reference into 10 CFR Part 50.55a and later a revised version is issued by the ASME because experience has shown that the design analysis, construction method, examination method, or testing method is inadequate; the NRC will amend 10 CFR Part 50.55a and the relevant RG to remove the approval of the superseded Code Case.  Applicants and licensees should not begin to implement such superseded Code Cases in advance of the rulemaking.


RG 1.84, Rev. 38, Page 5
With regard to the use of any Code Case, it is the responsibility of the user to make certain that the provisions of the Code Case do not conflict with licensee commitments or regulatory requirements.


a licensee applied a Code Case listed in Tables 1 or 2 of this guide before it was listed as superseded, it may continue to use the Code Case until it updates its Construction Code of Record (an applicant would update its application). If a Code Case is incorporated by reference into 10 CFR 50.55a and ASME later issues a revised version of the Code Case because experience has shown that the design analysis, construction method, examination method, or testing method is inadequate, the NRC will amend 10 CFR
RG 1.84, Page 5 C. STAFF REGULATORY GUIDANCE
50.55a and the relevant RG to remove the approval of the superseded Code Case. Applicants and licensees should not begin to implement such superseded Code Cases in advance of the rulemaking.


With regard to the use of any Code Case, the user is responsible for ensuring that the provisions of the Code Case do not conflict with the licensees commitments or regulatory requirements.
For Revision 37 of Regulatory Guide 1.84, the NRC reviewed the Section III Code Cases listed in Supplement 11 to the 2007 Edition and Supplements 0 through 10 to the 2010 Edition of the ASME BPV
Code1.  Appendix A to this guide lists the supplements reviewed, the edition, the supplement number, and the date on which the supplement was approved by the ASME Board on Nuclear Codes and Standards.


RG 1.84, Rev. 38, Page 6
Appendix B is a list of the Section III Code Cases published by the ASME in the eleven supplements.


==C. REGULATORY POSITION==
Finally, Appendix C is a current list of all Section III Code Cases. The Code Cases addressed by this regulatory guide are listed in five tables:  
For RG 1.84, Revision 38, the NRC reviewed the Section III Code Cases listed in Supplement 11 to the 2010 Edition and Supplements 0 through 7 to the 2013 Edition of the ASME BPV Code.1 RG 1.84, Revision 38 supersedes the information in Revision 37. Appendix A to this guide lists the supplements reviewed by the NRC, the editions, the supplement numbers, and the dates on which the supplements were approved by the ASME Board on Nuclear Codes and Standards. Appendix B to this guide lists the Section III Code Cases published by ASME in the nine supplements. Finally, Appendix C to this guide lists all current Section III Code Cases. The following five tables list the Code Cases addressed by this RG:  


a. Table 1, Acceptable Section III Code Cases, lists Code Cases that are acceptable to the NRC for application in the design and construction of light-water-cooled nuclear power plants.
(1)
Table 1, Acceptable Section III Code Cases, contains the Code Cases that are acceptable to the NRC for application in the design and construction of light-water-cooled nuclear power plants.


b. Table 2, Conditionally Acceptable Section III Code Cases, lists Code Cases that are acceptable as long as they are used with the identified conditions (i.e., the Code Case is generally acceptable;
(2)
however, the NRC has determined that requirements in the Code Case, which are alternative requirements to the BPV Code, must be supplemented to provide an acceptable level of quality and safety).  
Table 2, Conditionally Acceptable Section III Code Cases, contains Code Cases that are acceptable provided that they are used with the identified conditions (i.e., the Code Case is generally acceptable but the NRC has determined that requirements in the Code Case, which are alternatives to the BPV Code, must be supplemented in order to provide an acceptable level of quality and safety).  


c. Table 3, Annulled Unconditionally Approved Section III Code Cases, lists Code Cases that have been annulled by ASME.
(3)
Table 3, Annulled Unconditionally Approved Section III Code Cases, contains the Code Cases that have been annulled by the ASME.


d. Table 4, Annulled Conditionally Acceptable Section III Code Cases, lists Code Cases that the NRC  
(4)
found to be acceptable as long as the licensee used them with the identified conditions; however, they were subsequently annulled by ASME.
Table 4, Annulled Conditionally Acceptable Section III Code Cases, contains the Code Cases that the NRC determined to be acceptable, provided that they were used with the identified conditions, but were subsequently annulled by the ASME.


e. Table 5, Section III Code Cases That Have Been Superseded by Revised Code Cases on or after July 1, 1974, lists Code Cases that have been superseded through revision.
(5)
Table 5, Section III Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974, lists Code Cases that have been superseded through revision.


1 The NRC did not review Code Cases that pertain to high-temperature, gas-cooled reactors; ASME Code, Section III,
1.
Division 2; and liquid metal reactors.


RG 1.84, Rev. 38, Page 7
Acceptable Code Cases


1. Acceptable Section III Code Cases  
The Code Cases listed in Table 1 below are acceptable to the NRC for application in the design and construction of components and their supports for water-cooled nuclear power plants.  Code Cases are published quarterly in supplements to each edition. For Code Cases previously listed in this guide, the third column of Table 1 lists the date of ASME approval.  For new or revised Code Cases, the third column of Table 1 lists the supplement and edition in which each Code Case was published (e.g., 5/10E
means Code Case Supplement 5 to the 2010 Edition).


The NRC finds the Code Cases listed in Table 1 to be acceptable for application in the design and construction of components and their supports for water-cooled nuclear power plants. ASME publishes the Code Cases quarterly in supplements to each edition. To assist users, new and revised Code Cases are shaded to distinguish them from those approved in previous versions of this guide. For Code Cases previously listed in this guide, the third column of Table 1 lists the dates of ASME approvals. For new or revised Code Cases, the third column of Table 1 lists the supplement and edition in which each Code Case was published (e.g., 5/13E means Supplement 5 to the 2013 Edition of the ASME BPV Code).  
1 Except for Code Cases pertaining to high-temperature gas-cooled reactors; certain requirements in Section III, Division 2, not endorsed by the NRC; Section III, Division 2; and liquid metal.


Table 1.  Acceptable Section III Code Cases  
RG 1.84, Page 6 Table 1.  Acceptable Section III Code Cases  


CODE CASE
Code Case Number Table 1 Acceptable Section III Code Cases Date or Supplement/  
NUMBER
Edition N-4-13 Special Type 403 Modified Forgings or Bars, Section III, Division 1, Class 1 and CS  
TABLE 1 ACCEPTABLE SECTION III CODE CASES
2/12/08 N-131-1  
DATE OR
SUPPLEMENT/  
EDITION
N-4-13 Special Type 403 Modified Forgings or Bars, Section III, Division 1, Class 1 and CS  
2/12/08 N-60-6 Material for Core Support Structures, Section III, Division I
11/10E
N-131-1  
(1759-1)  
(1759-1)  
Material for Internal Pressure Retaining Items for Pressure Relief Valves, Section III, Division 1, Class 1, 2, and 3  
Material for Internal Pressure Retaining Items for Pressure Relief Valves, Section III, Division 1, Class 1, 2, and 3
2/3/03 N-133-3 Use of SB-148 Alloys 952 and 954, Section III, Division 1, Class 3  
2/03/03 N-133-3 Use of SB-148 Alloys 952 and 954, Section III, Division 1, Class 3
2/3/03 N-154-1 Projection Resistance Welding of Valve Seats, Section III, Division 1, Classes 1, 2, and 3  
2/03/03 N-154-1 Projection Resistance Welding of Valve Seats, Section III, Division 1, Classes 1, 2, and 3  
2/3/03 N-171 Postweld Heat Treatment of P-No. 1 Material, Section III, Division 2  
2/03/03 N-171 Postweld Heat Treatment of P-No. 1 Material, Section III, Division 2
4/30/93 N-192-3 Use of Braided Flexible Connectors, Section III, Division 1, Class 2 and 3  
4/30/93 N-192-3 Use of Braided Flexible Connectors, Section III, Division 1, Class 2 and 3  
7/23/02 N-205 Use of Ductile Iron SA-395, Section III, Division 1, Class 3  
7/23/02 N-205 Use of Ductile Iron SA-395, Section III, Division 1, Class 3
2/25/02 N-213 Welded Radial Shear Bar Assemblies, Section III, Division 2  
2/25/02 N-213 Welded Radial Shear Bar Assemblies, Section III, Division 2
2/25/02 N-249-15 Additional Materials for Subsection NF, Classes 1, 2, 3, and MC Supports Fabricated without Welding Section III, Division 1
2/25/02 N-284-3 Metal Containment Shell Buckling Design Methods, Class MC, TC, and SC  
7/13E
Construction, Section III, Divisions 1 and 3 Note: Code Case N-284-2 was unconditionally approved in Revision 36 of RG 1.84.
N-284-4 Metal Containment Shell Buckling Design Methods, Class MC, TC, and SC  
Construction, Section III, Divisions 1 and 3 Note: The NRC unconditionally approved Code Case N-284-3 in RG 1.84, Revision 37.


11/10E  
7/10E  
N-315 Repair of Bellows, Section III, Division 1  
N-315 Repair of Bellows, Section III, Division 1
2/3/03 N-319-3 Alternate Procedure for Evaluation of Stresses in Butt Welding Elbows in Class 1 Piping, Section III, Division 1  
2/03/03 N-319-3 Alternate Procedure for Evaluation of Stresses in Butt Welding Elbows in Class 1 Piping, Section III, Division 1
2/3/03 N-351 Use of Subsize Charpy V-Notch Specimens, Section III, Division 1  
2/03/03 N-351 Use of Subsize Charpy V-Notch Specimens, Section III, Division 1
1/17/00  
1/17/00  
N-369 Resistance Welding of Bellows, Section III, Division 1  
N-369 Resistance Welding of Bellows, Section III, Division 1
5/9/03 N-373-3 Alternative PWHT Time at Temperature for P-No. 5A or P-No. 5B Group 1 Material, Classes 1, 2, and 3  
5/09/03 N-373-3 Alternative PWHT Time at Temperature for P-No. 5A or P-No. 5B Group 1 Material, Classes 1, 2, and 3
10/8/04 N-405-1 Socket Welds, Section III, Division 1  
10/08/04 N-405-1 Socket Welds, Section III, Division 1
2/20/04 N-452 Specialized Subcontracted Welding Process (Electron Beam Welding),  
2/20/04 N-438-1 UNS N08367, Section III, Division 1, Class 2 and 3 Construction
5/24/96 N-452 Specialized Subcontracted Welding Process (Electron Beam Welding),  
Section III, Division 1  
Section III, Division 1  
5/9/03 N-453-3 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) for Class 2 and 3 Construction, Section III, Division 1  
5/09/03 N-453-3 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) for Class 2 and 3 Construction, Section III, Division 1
8/14/01  
8/14/01 N-454-1 Nickel-Chromium-Molybdenum-Copper Stainless Steels (UNS N08925 and N08926) Wrought Fittings for Class 2 and 3 Construction, Section III,  
 
Division 1  
RG 1.84, Rev. 38, Page 8
6/17/03 N-455-1 Nickel-Chromium-Molybdenum-Copper Stainless Steels (UNS N08925 and N08926) Forged Flanges and Fittings for Class 2 and 3, Section III,    
 
CODE CASE
NUMBER
TABLE 1 ACCEPTABLE SECTION III CODE CASES
DATE OR
SUPPLEMENT/  
EDITION
N-454-1 Nickel-Chromium-Molybdenum-Copper Stainless Steels (UNS N08925 and N08926) Wrought Fittings for Class 2 and 3 Construction, Section III,  
Division 1  
Division 1  
6/17/03 N-455-1 Nickel-Chromium-Molybdenum-Copper Stainless Steels (UNS N08925 and N08926) Forged Flanges and Fittings for Class 2 and 3, Section III, Division 1
6/17/03 N-469-1 Martensitic Stainless Steel for Class 1, 2, and 3 Components, Section III,  
6/17/03 N-469-1 Martensitic Stainless Steel for Class 1, 2, and 3 Components, Section III,  
Division 1  
Division 1  
2/3/03 N-493 Alternative Radiographic Acceptance Criteria for Vessels Used as Shipping Casks, Section III, Division 1, Class 1  
2/03/03  
 
RG 1.84, Page 7 Code Case Number Table 1 Acceptable Section III Code Cases Date or Supplement/
Edition N-493 Alternative Radiographic Acceptance Criteria for Vessels Used as Shipping Casks, Section III, Division 1, Class 1
7/23/02 N-500-4 Alternative Rules for Standard Supports for Classes 1, 2, 3 and MC,  
7/23/02 N-500-4 Alternative Rules for Standard Supports for Classes 1, 2, 3 and MC,  
Section III, Division 1  
Section III, Division 1 Note 1: Code Case N-500-2 was unconditionally approved in Revision 36 of RG 1.84.
10/14/11 N-505 Alternative Rules for the Examination of Butt Welds Used as Closure Welds for Electrical Penetration Assemblies in Containment Structures, Section III,  
 
Note 2: Code Case N-500-3 was published in Supplement 11 to the 2007 Edition.  Thus, the latest version (i.e., N-500-4) is listed in the table.
 
8/10E
N-505 Alternative Rules for the Examination of Butt Welds Used as Closure Welds for Electrical Penetration Assemblies in Containment Structures, Section III,  
Division 1  
Division 1  
5/4/04 N-511 Design Temperature for Atmospheric and 0-15 psi Storage Tanks, Section III,  
5/04/04 N-511 Design Temperature for Atmospheric and 0-15 psi Storage Tanks, Section III,  
Division 1  
Division 1  
5/4/04 N-520-6 Alternative Rules for Renewal of Active or Expired N-Type Certificates for Plants Not in Active Construction, Section III, Division 1 Note: The NRC unconditionally approved Code Case N-520-5 in RG 1.84, Revision 37.
5/04/04 N-520-5 Alternative Rules for Renewal of Active or Expired N-type Certificates for Plants Not in Active Construction, Section III, Division 1 Note: Code Case N-520-2 was conditionally approved in Revision 36 of RG 1.84.


1/13E
10/10E
N-525 Design Stress Intensities and Yield Strength Values for UNS N06690 with a Minimum Specified Yield Strength of 30 ksi, Class 1 Components, Section III,  
N-525 Design Stress Intensities and Yield Strength Values for UNS N06690 With a Minimum Specified Yield Strength of 30 ksi, Class 1 Components, Section III,  
Division 1  
Division 1  
7/23/02 N-539 UNS N08367 in Class 2 and 3 Valves, Section III, Division 1  
7/23/02 N-539 UNS N08367 in Class 2 and 3 Valves, Section III, Division 1
2/20/04 N-548 Air Cooling of SA-182 Grades F304, F304L, F316, F316L Forgings Instead of Liquid Quenching After Solution Heat Treatment, Class 1, 2, and 3, Section III,  
2/20/04 N-548 Air Cooling of SA-182 Grades F304, F304L, F316, F316L Forgings Instead of Liquid Quenching After Solution Heat Treatment, Class 1, 2, and 3, Section III,  
Division 1  
Division 1  
9/7/01 N-558 Stamping of Class 2 Vessels Fabricated to Subsection NB, Section III,  
9/07/01 N-558 Stamping of Class 2 Vessels Fabricated to Subsection NB, Section III,    
Division 1  
Division 1  
2/25/02 N-564-2 UNS J93380, Alloy CD3MWCuN, Class 2 and 3 Construction, Section III,  
2/25/02 N-564-2 UNS J93380, Alloy CD3MWCuN, Class 2 and 3 Construction, Section III,  
Division 1  
Division 1  
2/3/03 N-570-2 Alternative Rules for Linear Piping and Linear Standard Supports for Classes 1, 2, 3, and MC, Section III, Division 1  
2/03/03 N-570-2 Alternative Rules for Linear Piping and Linear Standard Supports for Classes  
9/9/08 N-579 Use of Nonstandard Nuts, Class 1, 2, and 3, MC, CS Components and Supports Construction, Section III, Division 1  
1, 2, 3, and MC, Section III, Division 1  
2/3/03 N-580-2 Use of Alloy 600 with Columbium Added, Section III, Division 1  
9/09/08 N-579 Use of Nonstandard Nuts, Class 1, 2, and 3, MC, CS Components and Supports Construction, Section III, Division 1
1/4/08 N-594-1 Repairs to P-4 and P-5A Castings without Postweld Heat Treatment Class 1,  
2/03/03 N-580-2 Use of Alloy 600 With Columbium Added, Section III, Division 1
2, and 3 Construction, Section III, Division 1  
1/04/08 N-594-1 Repairs to P-4 and P-5A Castings Without Postweld Heat Treatment Class 1, 2, and 3 Construction, Section III, Division 1 Note: Code Case N-594 was unconditionally approved in Revision 36 of RG 1.84.
10/14/11


N-607 Guidance on Implementation of NS Certificate of Accreditation, Section III,  
8/10E
N-607 Guidance on Implementation of NS Certificate of Accreditation, Section III,
Division 1  
Division 1  
5/4/04 N-610  
5/04/04 N-610  
Alternative Reference Stress Intensity Factor (K1R) Curve for Class Components, Section III, Division 1
Alternative Reference Stress Intensity Factor (K1R) Curve for Class Components, Section III, Division 1
5/4/04 N-620
5/04/04  
Rules for Class 1 Type M Pumps, Section III, Division 1  
5/4/04  


RG 1.84, Rev. 38, Page 9
RG 1.84, Page 8 Code Case Number Table 1 Acceptable Section III Code Cases Date or Supplement/
 
Edition N-611 Use of Stress Limits as an Alternate to Pressure Limits Subsection NC/ND-3500, Section III, Division 1
CODE CASE
2/20/04 N-620
NUMBER
Rules for Class 1 Type M Pumps, Section III, Division 1
TABLE 1 ACCEPTABLE SECTION III CODE CASES
5/04/04 N-621-1 Ni-Cr-Mo Alloy (UNS N06022) Welded Construction to 800F, Section III,  
DATE OR
SUPPLEMENT/  
EDITION
N-621-1 Ni-Cr-Mo Alloy (UNS N06022) Welded Construction to 800°F, Section III,  
Division 1  
Division 1  
10/8/04 N-625-1 Ni-Cr-Mo Alloy (UNS N06059) Welded Construction to 800°F, Section III,  
10/08/04 N-625-1 Ni-Cr-Mo Alloy (UNS N06059) Welded Construction to 800F, Section III,  
Division 1  
Division 1  
2/20/04 N-631 Use of Fracture Toughness Test Data to Establish Reference Temperature for Pressure Retaining Materials Other Than Bolting for Class 1 Vessels, Section III, Division 1  
2/20/04 N-631 Use of Fracture Toughness Test Data to Establish Reference Temperature for Pressure Retaining Materials Other Than Bolting for Class 1 Vessels, Section III, Division 1  
7/23/02 N-632 Use of ASTM A 572, Grades 50 and 65 for Structural Attachments to Class CC  
7/23/02 N-632 Use of ASTM A 572, Grades 50 and 65 for Structural Attachments to Class CC  
Containment Liners, Section III, Division 2  
Containment Liners, Section III, Division 2
2/3/03 N-635-1 Use of 22Cr-5Ni-3Mo-N (Alloy UNS S31803) Forgings, Plate, Bar, Welded and Seamless Pipe, and/or Tube, Fittings, and Fusion Welded Pipe with Addition of Filler Metal, Classes 1, 2 and 3, Section III, Division 1  
2/03/03 N-635-1 Use of 22Cr-5Ni-3Mo-N (Alloy UNS S31803) Forgings, Plate, Bar, Welded and Seamless Pipe, and/or Tube, Fittings, and Fusion Welded Pipe With Addition of Filler Metal, Classes 2 and 3, Section III, Division 1
2/14/03 N-636 Use of 18Cr-13Ni-3Mo (Alloy UNS S31703), 19Cr-15Ni-4Mo (Alloy UNS  
2/14/03 N-636 Use of 18Cr-13Ni-3Mo (Alloy UNS S31703), 19Cr-15Ni-4Mo (Alloy UNS  
S31725), and 18.5Cr-15.5Ni-4.5Mo-N (Alloy UNS S31726) Forgings, Seamless Tubing, Plate, Welded Tubing, Welded and Seamless Pipe, Welded Pipe with Addition of Filler Metal and Fittings, Classes 2 and 3, Section III,  
S31725), and 18.5Cr-15.5Ni-4.5Mo-N (Alloy UNS S31726) Forgings, Seamless Tubing, Plate, Welded Tubing, Welded and Seamless Pipe, Welded Pipe With Addition of Filler Metal and Fittings, Classes 2 and 3, Section III, Division 1  
Division 1  
7/23/02 N-637-1 Use of 44Fe-25Ni-21Cr-Mo (Alloy UNS N08904) Plate, Bar, Fittings, Welded Pipe, and Welded Tube, Classes 2 and 3, Section III, Division 1 Note:  Code Case N-637 was conditionally approved in Revision 35 of RG 1.84.
7/23/02 N-637-1 Use of 44Fe-25Ni-21Cr-Mo (Alloy UNS N08904) Plate, Bar, Fittings, Welded Pipe, and Welded Tube, Classes 2 and 3, Section III, Division 1  
 
9/20/10
3/10E
N-642 Alternative Rules for Progressive Liquid Penetrant Examination of Groove Welds In P-No. 8 Materials 3/16 in. (5 mm) Thick and Less Made by Autogenous Machine or Automatic Welding, Section III, Division 1  
N-642 Alternative Rules for Progressive Liquid Penetrant Examination of Groove Welds In P-No. 8 Materials 3/16 in. (5 mm) Thick and Less Made by Autogenous Machine or Automatic Welding, Section III, Division 1
2/3/03 N-644-1 Weld Procedure Qualification for Procedures Exempt From PWHT   
2/03/03 N-644-1 Weld Procedure Qualification for Procedures Exempt From PWHT   
in Classes 1, 2, and 3 Construction, Section III, Division 1  
in Classes 1, 2, and 3 Construction, Section III, Division 1
3/28/01 N-646 Alternative Stress Intensification Factors for Circumferential Fillet Welded or Socket Welded Joints for Class 2 or 3 Piping, Section III, Division 1  
3/28/01 N-646 Alternative Stress Intensification Factors for Circumferential Fillet Welded or Socket Welded Joints for Class 2 or 3 Piping, Section III, Division 1
2/20/04 N-650  
2/20/04 N-650  
Use of SA-537, Class 2 Plate Material in Non-pressure Boundary Application Service 700°F to 850°F, Class 1 or CS, Section III, Division 1  
Use of SA-537, Class 2 Plate Material in Non-pressure Boundary Application Service 700F to 850F, Class 1 or CS, Section III, Division 1
2/20/04 N-655-2 Use of SA-738, Grade B, for Metal Containment Vessels, Class MC, Section III,  
2/20/04 N-655-2 Use of SA-738, Grade B, for Metal Containment Vessels, Class MC, Section III,  
Division 1  
Division 1 Note:  Code Case N-655-1 was unconditionally approved in Revision 36 of RG 1.84.
6/6/10
 
4/10E
N-657 Use of the N-1A Data Report for Spent Fuel Canisters, Section III, Division 1  
N-657 Use of the N-1A Data Report for Spent Fuel Canisters, Section III, Division 1  
2/25/02 N-692 Use of Standard Welding Procedures, Section III, Divisions 1 and 2  
2/25/02 N-692 Use of Standard Welding Procedures, Section III, Divisions 1 and 2
6/17/03 N-698 Design Stress Intensities and Yield Strength for UNS N06690 with a Minimum Specified Yield Strength of 35 ksi (240 MPa), Class 1 Components, Section III,  
6/17/03 N-698 Design Stress Intensities and Yield Strength for UNS N06690 With a Minimum Specified Yield Strength of 35 ksi (240 Mpa), Class 1 Components, Section III,  
Division 1  
Division 1  
11/18/03 N-699 Use of Titanium Grade 2 (UNS R50400) Tube and Bar, and Grade 1 (UNS R50250) Plate and Sheet for Class 1 Construction, Section III,  
11/18/03  
Division 1  
 
1/5/06 N-703 Use of Strain Hardened Austenitic Material at Lower Design Stress Values for Class 1 Valves, Section III, Division 1  
RG 1.84, Page 9 Code Case Number Table 1 Acceptable Section III Code Cases Date or Supplement/
5/4/04 N-708  
Edition N-699 Use of Titanium Grade 2 (UNS R50400) Tube and Bar, and Grade 1 (UNS R50250) Plate and Sheet for Class 1 Construction, Section III, Division 1  
1/05/06 N-703 Use of Strain Hardened Austenitic Material at Lower Design Stress Values for Class 1 Valves, Section III, Division 1
5/04/04 N-708  


Use of JIS G-4303, Grades SUS304, SUS304L, SUS316, and SUS316L,  
Use of JIS G-4303, Grades SUS304, SUS304L, SUS316, and SUS316L,  
Section III, Division 1  
Section III, Division 1  
9/21/07  
9/21/07 N-710  
 
Use of Zirconium Alloy UNS R60702, Bars, Forgings, Plate, Seamless and Welded Fittings, Seamless and Welding Tubing, and Seamless and Welded Pipe, for Class 3 Construction, Section III, Division 1
RG 1.84, Rev. 38, Page 10
5/04/04 N-725 Design Stress Values for UNS N06690 With Minimum Specified Yield Strength of 35 ksi (240 Mpa), Classes 2 and 3 Components, Section III, Division 1  
 
CODE CASE
NUMBER
TABLE 1 ACCEPTABLE SECTION III CODE CASES
DATE OR
SUPPLEMENT/
EDITION
N-710  
Use of Zirconium Alloy UNS R60702, Bars, Forgings, Plate, Seamless and Welded Fittings, Seamless and Welding Tubing, and Seamless and Welded Pipe, for Class 3 Construction, Section III, Division 1  
5/4/04 N-725 Design Stress Values for UNS N06690 with Minimum Specified Yield Strength of 35 ksi (240 MPa), Classes 2 and 3 Components, Section III, Division 1  
1/12/05 N-727 Dissimilar Welding Using Continuous Drive Friction Welding for Reactor Vessel CRDM/CEDM Nozzle to Flange/Adapter Welds, Classes 1, Section III,  
1/12/05 N-727 Dissimilar Welding Using Continuous Drive Friction Welding for Reactor Vessel CRDM/CEDM Nozzle to Flange/Adapter Welds, Classes 1, Section III,  
Division 1  
Division 1  
2/24/06 N-736 Use UNS S32050 Welded and Seamless Pipe and Tubing, Forgings, and Plates Conforming to SA-249/SA-249M, SA-479/SA-479M, and SA-240/SA-240M,  
2/24/06 N-736 Use UNS S32050 Welded and Seamless Pipe and Tubing, Forgings, and Plates Conforming to SA-249/SA-249M, SA-479/SA-479M, and SA-240/SA-240M, and Grade CK35MN Castings Conforming to ASTM A 743-03 for Construction of Class 1, 2, and 3 Components, Section III, Division 1
and Grade CK35MN Castings Conforming to ASTM A 743-03 for Construction of Class 1, 2, and 3 Components, Section III, Division 1  
1/05/06 N-738 NDE of Full Penetration Butt Welds in Class 2 Supports, Section III,    
1/5/06 N-738 NDE of Full Penetration Butt Welds in Class 2 Supports, Section III,  
Division 1  
Division 1  
7/1/05 N-741 Use of 22Cr-5Ni-3Mo-N (Alloy UNS S32205 Austenitic/ferritic Duplex Stainless Steel) Forging, Plate, Welded and Seamless Pipe Tubing, and Fittings to SA-240, SA-0789, A 790-04a, SA-815, Classes 2 and 3, Section III,  
7/01/05 N-741 Use of 22Cr-5Ni-3Mo-N (Alloy UNS S32205 Austenitic/ferritic Duplex Stainless Steel) Forging, Plate, Welded and Seamless Pipe Tubing, and Fittings to SA-240, SA-0789, A 790-04a, SA-815, Classes 2 and 3, Section III,  
Division 1  
Division 1  
10/11/05 N-744 Use of Metric Units Boiler and Pressure Vessel Code, Section III, Divisions 1 and 3, and Section V and IX  
10/11/05 N-744 Use of Metric Units Boiler and Pressure Vessel Code, Section III, Divisions 1 and 3, and Section V and IX
10/11/05 N-746 Use of 46Fe-24Ni-21Cr-6Mo-Cu-N (UNS N08367) Bolting Materials for Class 2 and 3 Components, Section III, Division 1  
10/11/05 N-746 Use of 46Fe-24Ni-21Cr-6Mo-Cu-N (UNS N08367) Bolting Materials for Class 2 and 3 Components, Section III, Division 1
1/5/06 N-756 Alternative Rules for Acceptability for Class 1 Valves, NPS (DN 25) and Smaller with Nonwelded End connections Other Than Flanges, Section III,  
1/05/06 N-756 Alternative Rules for Acceptability for Class 1 Valves, NPS (DN 25) and Smaller with Nonwelded End connections Other than flanges, Section III,  
Division 1  
Division 1  
1/21/07 N-759-2 Alternative Rules for Determining Allowable External Pressure and Comprehensive Stress for Cylinders, Cones, Spheres, and Formed Heads, Section III, Division 1  
1/21/07 N-759-2 Alternative Rules for Determining Allowable External Pressure and Comprehensive Stress for Cylinders, Cones, Spheres, and Formed Heads, Section III, Division 1  
1/4/08 N-760-2 Welding of Valve Plugs to Valve Stem Retainers, Classes 1, 2, and 3, Section III, Division 1  
1/04/08 N-760-2 Welding of Valve Plugs to Valve Stem Retainers, Classes 1, 2, and 3, Section III, Division 1  
10/10/08 N-763 ASTM A 709-06, Grade HPS 70W (HPS 485W) Plate Material without Postweld Heat Treatment as Containment Liner Material or Structural Attachments to the Containment Liner, Section III, Division 2  
10/10/08 N-763 ASTM A 709-06, Grade HPS 70W (HPS 485W) Plate Material Without Postweld Heat Treatment as Containment Liner Material or Structural Attachments to the Containment Liner, Section III, Division 2  
8/28/08
2/10E


N-767 Use of 21 Cr-6Ni-9Mn (Alloy UNS S21904) Grade GXM-11 (Conforming to SA-182/SA-182M and SA-336/SA-336M), Grade TPXM-11 (Conforming to SA-312/SA-312M) and Type XM-11 (Conforming to SA-666) Material, for Class-1 Construction, Section III, Division 1  
RG 1.84, Page 10
1/4/08 N-774 Use of 13Cr-4Ni (Alloy UNS S41500) Grade F6NM Forgings Weighing in Excess of 10,000 lb (4,540 kg) and Otherwise Conforming to the Requirements of SA-336/SA-336M for Class 1, 2, and 3 Construction, Section III, Division 1  
Code Case Number Table 1 Acceptable Section III Code Cases Date or Supplement/
9/3/08 N-777 Calibration of Cv Impact Test Machines, Section III, Divisions 1, 2, and 3  
Edition N-767 Use of 21 Cr-6Ni-9Mn (Alloy UNS S21904) Grade GXM-11 (Conforming to SA-182/SA-182M and SA-336/SA-336M), Grade TPXM-11 (Conforming to SA-312/SA-312M) and Type XM-11 (Conforming to SA-666) Material, for Class 1 Construction, Section III, Division 1  
10/10/08 N-782 Use of Editions, Addenda, and Cases, Section III, Division 1  
1/04/08 N-774 Use of 13Cr-4Ni (Alloy UNS S41500) Grade F6NM Forgings Weighing in Excess of 10,000 lb (4 540 kg) and Otherwise conforming to the Requirements of SA-336/SA-336M for Class 1, 2, and 3 Construction, Section III, Division 1  
9/03/08 N-777 Calibration of Cv Impact Test Machines, Section III, Divisions 1, 2, and 3  
4/10E
N-782 Use of Editions, Addenda, and Cases, Section III, Division 1  
1/30/09 N-785 Use of SA-479/SA-479M, UNS S41500 for Class 1 Welded Construction, Section III, Division 1  
1/30/09 N-785 Use of SA-479/SA-479M, UNS S41500 for Class 1 Welded Construction, Section III, Division 1  
10/12/09
11/07E
 
N-801 Rules for Repair of N-Stamped Class 1, 2, and 3 Components by Organization Other Than the N Certificate Holder That Originally Stamped the Component Being Repaired, Section III, Division 1
RG 1.84, Rev. 38, Page 11  
12/23/10
 
N-802 Rules for Repair of Stamped Components by the N Certificate Holder That Originally Stamped the Component, Section III, Division 1  
CODE CASE
12/23/10 
NUMBER
TABLE 1 ACCEPTABLE SECTION III CODE CASES
DATE OR
SUPPLEMENT/  
EDITION
N-801-1 Rules for Repair of N-Stamped Class 1, 2, and 3 Components Section III,  
Division 1 Note: The NRC unconditionally approved Code Case N-801 in RG 1.84, Revision 37.
 
11/10E
N-811 Alternative Qualification Requirements for Concrete Level III Inspection Personnel, Section III, Division 2  
N-811 Alternative Qualification Requirements for Concrete Level III Inspection Personnel, Section III, Division 2  
8/5/11 N-815 Use of SA-358/SA-358M Grades Fabricated as Class 3 or Class 4 Welded Pipe, Class CS Core Support Construction, Section III, Division 1  
7/10E
12/6/11 N-816 Use of Temper Bead Weld Repair Rules Adopted in 2010 Edition and Earlier Editions, Section III, Division 1  
N-815 Use of SA-358/SA-358M Grades Fabricated as Class 3 or Class 4 Welded Pipe, Class CS Core Support Construction, Section III, Division 1  
12/6/11 N-817 Use of Die Forgings, SB-247, UNS A96061, Class T6, with Thickness  
8/10E
4.000 in. Material, Class 2 Construction (1992 Edition or Later), Section III,  
N-816 Use of Temper Bead Weld Repair Rules Adopted in 2010 Edition and Earlier Editions, Section III, Division 1  
8/10E
N-817 Use of Die Forgings, SB-247, UNS A96061, Class T6, With Thickness
4.000 in. Material, Class 2 Construction (1992 Edition or Later) Section III,  
Division 1  
Division 1  
12/6/11 N-819 Use of Die Forgings, SB-247, UNS A96061, Class T6, with Thickness  
8/10E
N-819 Use of Die Forgings, SB-247, UNS A96061, Class T6, With Thickness
4.000 in. Material, Class 2 Construction (1989 Edition with the 1991 Addenda or Earlier), Section III, Division 1  
4.000 in. Material, Class 2 Construction (1989 Edition with the 1991 Addenda or Earlier), Section III, Division 1  
12/6/11 N-822-2 Application of the ASME Certification Mark Section III, Divisions 1, 2, 3, and
8/10E
5 Note: The NRC unconditionally approved Code Case N-822 in RG 1.84, Revision 37.
N-822  


7/13E
Application of the ASME Certification Mark, Section III, Divisions 1, 2, 3, and 5
N-833 Minimum Nonprestressed Reinforcement in the Containment Base Mat or Slab Required for Concrete Crack Control, Section III, Division 2
8/10E
1/13E
N-834 ASTM A988/A988M-11 UNS S31603, Subsection NB, Class 1 Components, Section III, Division 1
3/13E
N-836 Heat Exchanger Tube Mechanical Plugging, Class 1, Section III, Division 1
3/13E
N-841 Exemptions to Mandatory Post Weld Heat Treatment (PWHT) of SA-738 Grade B for Class MC Applications, Section III, Division 1
4/13E
N-844 Alternatives to the Requirements of NB-4250(c) Section III, Division 1
5/13E


RG 1.84, Rev. 38, Page 12
RG 1.84, Page 11
2.


2. Conditionally Acceptable Section III Code Cases  
Conditionally Acceptable Section III Code Cases  


The NRC finds the Code Cases listed in Table 2 to be acceptable for application in the design and construction of components and their supports for water-cooled nuclear power plants within the limitations indicated by the NRC. Unless otherwise stated, limitations indicated by the NRC are in addition to the conditions specified in the Code Case. ASME publishes Code Cases quarterly in supplements to each edition. To assist users, new and revised Code Cases are shaded to distinguish them from those approved in previous versions of this guide. For Code Cases previously listed in this guide, the third column of Table 1 lists the date of ASME approval. For new or revised Code Cases, the third column of Table 1 lists the supplement and edition in which each Code Case was published (e.g., 5/13E means Supplement 5 to the 2013 Edition of the ASME BPV Code).  
The Code Cases listed in Table 2 below are acceptable to the NRC for application in the design and construction of components and their supports for water-cooled nuclear power plants within the limitations indicated by the NRC. Unless otherwise stated, limitations indicated by the NRC are in addition to the conditions specified in the Code Case. Code Cases are published quarterly in supplements to each edition. For Code Cases previously listed in this guide, the third column of Table 1 lists the date of ASME approval. For new or revised Code Cases, the third column of Table 1 lists the supplement and edition in which each Code Case was published (e.g., 5/10E means Code Case Supplement 5 to the 2010
Edition).  


Table 2.  Conditionally Acceptable Section III Code Cases  
Table 2.  Conditionally Acceptable Section III Code Cases  


CODE CASE
Code Case Number Table 2 Conditionally Acceptable Section III Code Cases Date or Supplement/
NUMBER
Edition Title/Condition N-60-5 Material for Core Support Structures, Section III, Division , Class 1  
TABLE 2 CONDITIONALLY ACCEPTABLE SECTION III CODE CASES
2/20/04 The maximum yield strength of strain-hardened austenitic stainless steel shall not exceed 90,000 psi in view of the susceptibility of this material to environmental cracking.
TITLE/CONDITION
DATE OR
SUPPLEMENT/  
EDITION
N-62-7 Internal and External Valve Items, Section III, Division 1, Classes 1, 2, and 3 The Code requires that Class 1 and Class 2 valve manufacturers to meet the provisions of Section III, Article NCA-4000, Quality Assurance. Class 3 valve manufacturers must also meet the provisions of Article NCA-4000
because all Code Class valve items are subject to the licensees 10 CFR Part
50, Appendix B, approved quality assurance program.


2/3/03 N-71-19 Additional Materials for Subsection NF, Class 1, 2, 3, and MC Supports Fabricated by Welding, Section III, Division 1  
N-62-7 Internal and External Valve Items, Section III, Division 1, Classes 1, 2,  and 3
(1)  The maximum measured ultimate tensile strength (UTS) of the component support material must not exceed 170 ksi because of the susceptibility of high-strength materials to brittleness and stress-corrosion cracking.
2/03/03 The Code requires that Class 1 and Class 2 valve manufacturers meet the provisions of NCA-4000, Quality Assurance.  Class 3 valve manufacturers must also meet the provisions of NCA-4000 because all Code Class valve items are subject to the licensees 10 CFR Part 50, Appendix B approved QA program.


(2)    In the last sentence of Paragraph 5.2 of Code Case N-71-19, reference must be made to Paragraph 5.3.2.3, Alternative Atmosphere Exposure Time Periods Established by Test, of the AWS D1.1 Code for the evidence presented to and accepted by the Authorized Inspector concerning exposure of electrodes for a longer period of time.
N-71-18 Additional Materials for Subsection NF, Class 1, 2, 3, and MC Component Supports Fabricated by Welding, Section III, Division 1
5/09/03
(1)
The maximum measured ultimate tensile strength (UTS) of the component support material must not exceed 170 Ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion cracking.


(3)   Paragraph 16.2.2 of Code Case N-71-19 is not acceptable as written and must be replaced with the following: When not exempted by 16.2.1 above, the post weld heat treatment must be performed in accordance with NF-4622 except that ASTM A-710 Grade A Material must be at least 1000°F (540°C) and must not exceed 1150°F (620°C) for Class 1 and 2 material and 1175°F (640°C) for Class 3 material.
(2)  
Certain applications may exist where a UTS value of up to 190 Ksi could be considered acceptable for a material and, under this condition, the Design Specification must specify impact testing for the material. For these cases, it must be demonstrated by the applicant that:
the impact test results for the material meet Code requirements, (a)
the impact test results for the material meet Code requirements, (b)  
the material is not subject to stress corrosion cracking by virtue of the fact that:
(i)  
a corrosive environment is not present, and (ii)  
the component that contains the material has essentially no residual stresses or assembly stresses, and


(4)   The new holding time at temperature for weld thickness (nominal) must be 30 minutes for welds 0.5 inch or less; 1 hour per inch of thickness for welds over 0.5 inch to 5 inches; and for thicknesses over 5 inches, 5 hours plus 15 minutes for each additional inch over 5 inches.
RG 1.84, Page 12 Code Case Number Table 2 Conditionally Acceptable Section III Code Cases Date or Supplement/ 
Edition Title/Condition N-71-18 (contd)  
Additional Materials for Subsection NF, Class 1, 2, 3, and MC Component Supports Fabricated by Welding, Section III, Division 1
5/09/03 (iii)    it does not experience frequent sustained loads in service.


(5)    The fracture toughness requirements as listed in this Code Case apply only to piping supports and not to Class 1, 2 and 3 component supports.
(3)
In the last sentence of paragraph 5.3, reference must be made to paragraph
5.3.2.3, Alternative Atmosphere Exposure Time Periods Established by Tests, of the AWS D1.1 Code for the evidence presented to and accepted by the Authorized Inspector concerning exposure of electrodes for longer periods of time.


(6)   When welding P-number materials listed in the Code Case, the corresponding S-number welding requirements shall apply.
(4)  
Paragraph 15.2.2 is not acceptable as written and must be replaced with the following:  When not exempted by 15.2.1 above, the postweld heat treatment must be performed in accordance with NF-4622 except that ASTM A-710 Grade A Material must be at least 1000°F (540°C) and must not exceed 1150°F (620°C) for Class 1 and Class 2 material and 1175°F
(640°C) for Class 3 material.


00/13E
(5)
The new holding time at temperature for weld thickness (nominal) must be
30 minutes for 2 inch or less, 1 hour per inch for thickness over 2 inch to 5 inches, and for thicknesses over 5 inches, 5 hours plus 15 minutes for each additional inch over 5 inches.


RG 1.84, Rev. 38, Page 13
(6)
The fracture toughness requirements as listed in this Code Case apply only to piping supports and not to Class 1, Class 2, and Class 3 component supports.


CODE CASE
NUMBER
TABLE 2 CONDITIONALLY ACCEPTABLE SECTION III CODE CASES
TITLE/CONDITION
DATE OR
SUPPLEMENT/
EDITION
N-155-2 Fiberglass Reinforced Thermosetting Resin Pipe, Section III, Division 1  
N-155-2 Fiberglass Reinforced Thermosetting Resin Pipe, Section III, Division 1  
2/03/03
(1)  
(1)  
The design temperature for spray pond piping must be 100°C (212°F).  
The design temperature for spray pond piping must be 100°C (212°F).  
(2)  
(2)  
The allowable design stress must be the value obtained from the minimum hydrostatic design basis in Table 3611-1 of Code Case N-155-2 (Procedure A or B) or the value determined as one-sixth of the stress obtained from a short-time burst test for the pipe being qualified, whichever is lower. The short-time burst strength must be determined by bursting the pipe (ASTM D-1599-74) using free-end mounting after it has been exposed to 1x105 pressure cycles from atmospheric to design pressure.
The allowable design stress must be the value obtained from the minimum hydrostatic design basis (HDB) in Table 3611-1 of Code Case N-155-2 (Procedure A or B) or the value determined as one-sixth of the stress obtained from a short-time burst test for the pipe being qualified, whichever is lower. The short-time burst strength must be determined by bursting the pipe (ASTM D-1599-74) using free-end mounting after it has been exposed to 105 pressure cycles from atmospheric to design pressure.


(3)  
(3)  
The value of K in Equation 9 of Paragraph 3652 must be limited to 1.2 unless it can be demonstrated that, with the use of a large value of K1, the functional capability of the system will not be impaired during upset and emergency conditions.
The value of K in equation 9 of paragraph 3652 must be limited to 1.2 unless it can be demonstrated that with the use of a large value of K1 the functional capability of the system will not be impaired during upset and emergency conditions.


(4)  
(4)  
Line 406: Line 382:
Preoperational and inservice inspections must be as follows:  
Preoperational and inservice inspections must be as follows:  
(a)  
(a)  
During the preoperational testing period, tests must be made to verify that the piping is free of vibration induced by weather conditions or water flow that could fatigue the piping prematurely.
During the preoperational testing period, tests must be made to verify that the piping is free of vibration induced by weather conditions or water flow that could fatigue the piping prematurely;
 
(b)  
(b)  
Fiberglass-reinforced piping components must be inspected in accordance with ASME Code, Section XI, for Code Class 3 components. In addition, all pipe supports must be inspected.
Fiberglass-reinforced piping components must be inspected in accordance with ASME Code, Section XI, for Code Class 3 components. In addition, all pipe supports must be inspected;
 
(c)  
(c)  
Inspection frequency for piping must be increased to once annually if an exterior weather-resistant coating is not provided.
Inspection frequency for piping must be increased to once annually if an exterior weather-resistant coating is not provided.


2/3/03 N-626 Use of Plastic Analysis for the Design of Type B Containment Components for Nuclear Material Transportation Casks, Section III, Division 3
RG 1.84, Page 13 Code Case Number Table 2 Conditionally Acceptable Section III Code Cases Date or Supplement/
Edition Title/Condition N-249-14 Additional Materials for Subsection NF, Class 1, 2, 3, and MC Component Supports Fabricated Without Welding, Section III, Division 1
2/20/04
(1)  
(1)  
For the acceptability of a design by analysis, Paragraph WB-3211, Requirements for Acceptability, of Section III, Division 3, Subsection WB, Class TP (Type B) Containment, Subparagraphs (a) through (d)
The fracture toughness requirements apply only to piping supports and not to Class 1, Class 2, and Class 3 component supports.
must be applied.


(2)  
(2)  
There is a typographical error in the title of Paragraph (a)(2) of the Code Case. Paragraph WB-3277 does not exist. Paragraph WB-3227, Applications of Inelastic Analysis Procedures, of Section III, Division
The following is to be added to paragraph (e) of the Code Case:
3, Subsection WB, Class TP (Type B) Containment, is to be used.
(a)
 
For these cases, it must be demonstrated by the Owner that: (i) the impact test results for the material meet Code requirements, and (ii) the material is not subject to stress corrosion cracking by virtue of the fact that: a corrosive environment is not present; the component that contains the material has essentially no residual stresses or assembly stresses; and it does not experience frequent sustained loads in service.
(3)  
The first paragraph of WB-3324, Design for Local Puncture Associated with a Hypothetical Accident Condition, of Section III, Division 3, Subsection WB, Class TP (Type B) Containment, must be applied.


The second paragraph of WB-3324 may be applied. In lieu of the third paragraph of WB-3324, the following may be applied: In lieu of the application of the equation for outer shell thickness (treq) the response of the containment boundary to puncture test loadings may be evaluated using plastic analysis according to the rules in Appendix F, Rules for Evaluation of Service Loadings with Level D Service Limits.
N-570-1 Alternative Rules for Linear Piping and Linear Standard Supports for Classes 1,
2, 3, and MC, Section III, Division 1
1/05/06 The provisions of ANSI/AISC N690-1994 s2, Supplement No. 2 to the Specification for the Design, Fabrication, and Erection of Steel of Safety-Related Structures for Nuclear Facilities, must be met.


N-626 Use of Plastic Analysis for the Design of Type B Containment Components for Nuclear Material Transportation Casks, Section III, Division 3
7/23/02  
7/23/02  
(1)
For the acceptability of a design by analysis, Paragraph WB-3211, Requirements for Acceptability, of Section III, Division 3, Subsection WB, Class TP (Type B) Containment, Subparagraphs (a) through (d)
must be applied.


RG 1.84, Rev. 38, Page 14
(2)
There is a typographical error in the title of Paragraph (a)(2) of the Code Case. Paragraph WB-3277 does not exist.  Paragraph WB-3227, Applications of Inelastic Analysis Procedures, of Section III, Division 3, Subsection WB, Class TP (Type B) Containment, is to be used.


CODE CASE
(3)
NUMBER
The first paragraph of WB-3324, Design for Local Puncture Associated with a Hypothetical Accident Condition, of Section III, Division 3, Subsection WB, Class TP (Type B) Containment, must be applied.  The second paragraph of WB-3324 may be applied.  In lieu of the third paragraph of WB-3324, the following may be applied: In lieu of the application of the equation for outer shell thickness (treq) the response of the containment boundary to puncture test loadings may be evaluated using plastic analysis according to the rules in Appendix F, Rules for Evaluation of Service Loadings with Level D Service Limits.
TABLE 2 CONDITIONALLY ACCEPTABLE SECTION III CODE CASES
TITLE/CONDITION
DATE OR
SUPPLEMENT/
EDITION
N-757-1 Alternative Rules for Acceptability for Class 2 and 3 Valves (DN 25) and Smaller with Welded and Nonwelded End Connections Other Than Flanges, Section III, Division 1 The design provisions of ASME Section III, Division 1, Appendix XIII, shall not be used for Class 3 valves.


9/21/07  
RG 1.84, Page 14 Code Case Number Table 2 Conditionally Acceptable Section III Code Cases Date or Supplement/ 
Edition Title/Condition N-757-1 Alternative Rules for Acceptability for Class 2 and 3 Valves (DN 25) and Smaller with Welded and Nonwelded End Connections Other than Flanges, Section III,
Division 1
9/21/07 The design provisions of ASME Section III, Division 1, Appendix XIII, shall not be used for Class 3 valves.


RG 1.84, Rev. 38, Page 15  
RG 1.84, Page 15  
3.


3. Annulled Unconditionally Approved Section III Code Cases  
Annulled Unconditionally Approved Section III Code Cases  


The NRC had previously approved the Code Cases listed in Table 3 unconditionally, but they have since been annulled by ASME.
The Code Cases listed in Table 3 were previously unconditionally approved by the NRC and have been annulled by the ASME.


Table 3.  Annulled Unconditionally Approved Section III Code Cases  
Table 3.  Annulled Unconditionally Approved Section III Code Cases  


CODE CASE
Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-1-7  
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III  
CODE CASES
ANNULMENT
DATE
N-1-7  
(1332-7)  
(1332-7)  
Requirements for Steel Forgings, Section III, Division 1  
Requirements for Steel Forgings, Section III, Division 1  
7/1/82 N-2  
7/01/82 N-2  
(1334-3)  
(1334-3)  
Requirements for Corrosion-Resisting Steel Bars and Shapes, Section III  
Requirements for Corrosion-Resisting Steel Bars and Shapes, Section III  
1/1/82 N-3-10  
1/01/82 N-3-10  
(1335-10)  
(1335-10)  
Requirements for Bolting Materials, Section III  
Requirements for Bolting Materials, Section III  
Line 471: Line 443:
(1345-2)  
(1345-2)  
Requirements for Nickel-Molybdenum-Chromium-Iron Alloys, Section III  
Requirements for Nickel-Molybdenum-Chromium-Iron Alloys, Section III  
3/1/79 N-7-1  
3/01/79 N-7-1  


High Yield Strength Steel, Class 1, Section II, Division 1  
High Yield Strength Steel, Class 1, Section II, Division 1  
Line 477: Line 449:
(1395-4)  
(1395-4)  
SA-508, Class 2 Forgings with Modified Manganese Content, Section III  
SA-508, Class 2 Forgings with Modified Manganese Content, Section III  
7/1/82 N-10  
7/01/82 N-10  
(1407-3)  
(1407-3)  
Time of Examination for Classes, 1, 2, and 3, Section III Vessels  
Time of Examination for Classes, 1, 2, and 3, Section III Vessels  
Line 483: Line 455:
(1456-2)  
(1456-2)  
Substitution of Ultrasonic Examination for Progressive Penetrant or Magnetic Particle Examination of Partial Penetration and Oblique Nozzle Attachment Welds, Section III  
Substitution of Ultrasonic Examination for Progressive Penetrant or Magnetic Particle Examination of Partial Penetration and Oblique Nozzle Attachment Welds, Section III  
3/1/79 N-17  
3/01/79 N-17  
(1474-1)  
(1474-1)  
Integrally Finned Tubes for Section III  
Integrally Finned Tubes for Section III  
Line 491: Line 463:
(1498-1)  
(1498-1)  
SA-508-Class 2 and 3, Minimum Tempering Temperature, Section III  
SA-508-Class 2 and 3, Minimum Tempering Temperature, Section III  
7/1/82 N-24  
7/01/82 N-24  
(1516-2)  
(1516-2)  
Welding of Seats or Minor Internal Permanent Attachments in Valves for Section III Applications  
Welding of Seats or Minor Internal Permanent Attachments in Valves for Section III Applications  
1/1/80  
1/01/80  
N-30-1  
N-30-1  
(1539-1)  
(1539-1)  
Metal Bellows and Metal Diaphragm Stem Sealed Valves, Section III,  
Metal Bellows and Metal Diaphragm Stem Sealed Valves, Section III,  
Division 1, Classes 1, 2, and 3  
Division 1, Classes 1, 2, and 3  
1/1/81 N-32-3  
1/01/81 N-32-3  
(1541-3)  
(1541-3)  
Hydrostatic Testing of Embedded Class 2 and Class 3 Piping for Section III, Division 1 Construction  
Hydrostatic Testing of Embedded Class 2 and Class 3 Piping for Section III, Division 1 Construction  
7/1/79 N-33  
7/01/79 N-33  
(1542-1)  
(1542-1)  
Type 403 Forgings or Bars for Bolting Material, Section III  
Type 403 Forgings or Bars for Bolting Material, Section III  
1/21/85 N-35-1 Design by Analysis of Section III, Class 1 Valves
1/21/85  
7/1/79
 
RG 1.84, Rev. 38, Page 16


CODE CASE
RG 1.84, Page 16 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-35-1
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III  
CODE CASES
ANNULMENT
DATE
(1552-1)  
(1552-1)  
N-37-3  
Design by Analysis of Section III, Class 1 Valves
7/01/79 N-37-3  
(1557-3)  
(1557-3)  
Steel Products Refined by Secondary Remelting, Section III and VIII,  
Steel Products Refined by Secondary Remelting, Section III and VIII,  
Division 1 and 2  
Division 1 and 2  
7/1/82 N-41  
7/01/82 N-41  
(1571)  
(1571)  
Additional Material for SA-234 Carbon Steel Fittings, Section III  
Additional Material for SA-234 Carbon Steel Fittings, Section III  
Line 527: Line 492:
(1578)  
(1578)  
SB-167 Nickel-Chromium-Iron (Alloy 600) Pipe or Tube, Section III  
SB-167 Nickel-Chromium-Iron (Alloy 600) Pipe or Tube, Section III  
7/1/82 N-46  
7/01/82 N-46  
(1588)  
(1588)  
Electro-Etching of Section III Code Symbols  
Electro-Etching of Section III Code Symbols  
3/19/82 N-48-2 Fabrication and Installation of Elevated Temperature Components, Section III, Division 1  
3/19/82 N-48-2 Fabrication and Installation of Elevated Temperature Components, Section III, Division 1  
7/1/96 N-49-4 Examination of Elevated Temperature Nuclear Components, Section III,  
7/01/96 N-49-4 Examination of Elevated Temperature Nuclear Components, Section III,  
Class 1  
Class 1  
7/1/96 N-50-1 Testing of Elevated Temperature Components, Section III, Division 1, Class 1  
7/01/96 N-50-1 Testing of Elevated Temperature Components, Section III, Division 1, Class 1  
7/1/96 N-51-2 Protection against Overpressure of Elevated Temperature Components, Section III, Division 1, Class 1  
7/01/96 N-51-2 Protection Against Overpressure of Elevated Temperature Components, Section III, Division 1, Class 1  
7/1/96 N-55-1  
7/01/96 N-55-1  
(1609)  
(1609)  
Inertia and Continuous Drive Friction Welding, Section III, Division 1  
Inertia and Continuous Drive Friction Welding, Section III, Division 1  
4/5/87 N-56  
4/05/87 N-56  
(1612)  
(1612)  
Use of Type 308 Stainless Steel Rod and Bar for Section III, Class 1, 2, 3, and CS Construction  
Use of Type 308 Stainless Steel Rod and Bar for Section III, Class 1, 2, 3, and CS Construction  
7/1/78 N-61  
7/01/78 N-61  
(1620)  
(1620)  
Stress Category for Partial Penetration Welded Penetrations, Section III,  
Stress Category for Partial Penetration Welded Penetrations, Section III,  
Class Construction  
Class Construction  
1/8/82 N-65-1  
1/08/82 N-65-1  
(1626-1)  
(1626-1)  
Normalized and Tempered 1-1/4 Cr Low Alloy Steel Forgings, Section I and III  
Normalized and Tempered 1-1/4 Cr Low Alloy Steel Forgings, Section I and III  
1/21/85 N-66-1  
1/21/85 N-66-1  
(1630-1)  
(1630-1)  
External Pressure Charts for High Yield Strength Carbon Steels and Low Alloy Steels (Yield Strength above 38 ksi to 60 ksi Inclusive) For Section III, Class 1, 2, 3, and MC  
External Pressure Charts for High Yield Strength Carbon Steels and Low Alloy Steels (Yield Strength above 38 Ksi to 60 Ksi Inclusive) For Section III, Class 1, 2, 3, and MC  
12/5/87 N-68  
12/05/87 N-68  
(1634-2)  
(1634-2)  
Use of SB-359 for Section III, Division, 1, Class 3 Construction  
Use of SB-359 for Section III, Division, 1, Class 3 Construction  
7/1/78 N-77  
7/01/78 N-77  
(1660)  
(1660)  
Overpressure Protection under Emergency Operating Conditions for Section III, Class 1  
Overpressure Protection Under Emergency Operating Conditions for Section III, Class 1  
7/1/77 N-81  
7/01/77 N-81  
(1665)  
(1665)  
Pressure-Temperature Ratings for Class 1 Valves Made from 5 Cr-1/2 Mo, Section III  
Pressure-Temperature Ratings for Class 1 Valves Made from 5 Cr-1/2 Mo, Section III  
7/1/78 N-82  
7/01/78 N-82  
(1677)  
(1677)  
Clarification of Flange Design Loads, Section III, Class 1, 2, and 3  
Clarification of Flange Design Loads, Section III, Class 1, 2, and 3  
3/1/79 N-84  
3/01/79 N-84  
(1681-1)  
(1681-1)  
Organizations Accepting Overall Responsibility for Section III  
Organizations Accepting Overall Responsibility for Section III  
Construction  
Construction  
3/1/79 N-90  
3/01/79  
 
RG 1.84, Page 17 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-90  
(1692)  
(1692)  
Rules for Design of Welded Class 1 Pumps  
Rules for Design of Welded Class 1 Pumps  
7/1/78  
7/01/78 N-94  
 
RG 1.84, Rev. 38, Page 17
 
CODE CASE
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III
CODE CASES
ANNULMENT
DATE
N-94  
(1700)  
(1700)  
Determination of Capacities of Liquid Relief Valves, Section III, Division 1, Class 1, 2, and 3  
Determination of Capacities of Liquid Relief Valves, Section III, Division  
1, Class 1, 2, and 3  
3/19/82 N-95-2  
3/19/82 N-95-2  
(1701-2)  
(1701-2)  
Determination of Capacities of Vacuum Relief Valves, Section III,  
Determination of Capacities of Vacuum Relief Valves, Section III,  
Division 1, Classes 2, 3, and MC and Division 2 Concrete Containments  
Division 1, Classes 2, 3, and MC and Division 2 Concrete Containments  
7/9/82 N-96-1  
7/09/82 N-96-1  
(1702-1)  
(1702-1)  
Flanged Valves Larger than 24 Inches for Section III, Division 1, Class 1,  
Flanged Valves Larger than 24 inches for Section III, Division 1, Class 1,  
2, and 3 Construction  
2, and 3 Construction  
1/1/80  
1/01/80  
N-101  
N-101  
(1712)  
(1712)  
Nameplates and Stamping for Section III, Division 1, Class 1, 2, 3 and MC  
Nameplates and Stamping for Section III, Division 1, Class 1, 2, 3 and MC Construction as Referenced in NA-8300  
Construction as Referenced in NA-8300  
3/01/79 N-102-2 Postweld Heat Treatment of P-1 Material, Section III, Class MC  
3/1/79 N-102-2 Postweld Heat Treatment of P-1 Material, Section III, Class MC  
6/30/84 N-107-1  
6/30/84 N-107-1  
(1722-1)  
(1722-1)  
Vacuum, Carbon Deoxidized SA-508 Forgings, Section III, Division 1  
Vacuum, Carbon Deoxidized SA-508 Forgings, Section III, Division 1  
1/8/82 N-108  
1/08/82 N-108  
(1724)  
(1724)  
Deviation from the Specified Silicon Ranges in ASME Material Specifications, Section III, Division 1, and VIII, Division 1 and 2  
Deviation from the Specified Silicon Ranges in ASME Material Specifications, Section III, Division 1, and VIII, Division 1 and 2  
7/1/78 N-109  
7/01/78 N-109  
(1726)  
(1726)  
Refinement of Low Alloy Steel Heat Affected Zone under Overlay Cladding, Section III, Division 1, Class 1 Components  
Refinement of Low Alloy Steel Heat Affected Zone Under Overlay Cladding, Section III, Division 1, Class 1 Components  
3/1/79 N-111  
3/01/79 N-111  
(1729)  
(1729)  
Minimum Edge Distance-Bolting for Section III, Division 1, Class 1, 2, and  
Minimum Edge Distance-Bolting for Section III, Division 1, Class 1, 2, and 3 and MC Construction of Component Supports  
3 and MC Construction of Component Supports  
3/01/79 N-114  
3/1/79 N-114  
(1732)  
(1732)  
Hardsurfaced Valves with Inlet Connections Less Than 2-in. Nominal Pipe Size for Section III, Division 1, Class 1 and 2 Construction  
Hardsurfaced Valves with Inlet Connections less than 2-in. Nominal Pipe Size for Section III, Division 1, Class 1 and 2 Construction  
1/1/79 N-115  
1/01/79 N-115  
(1733)  
(1733)  
Evaluation of Safe Shut Down Earthquake Loadings for Section III,  
Evaluation of Safe Shut Down Earthquake Loadings for Section III,  
Division 1, Class MC Containment Vessels  
Division 1, Class MC Containment Vessels  
1/1/78 N-119-6 Pump Internal Items, Section III, Division 1, Class 1, 2, and 3  
1/01/78 N-119-6 Pump Internal Items, Section III, Division 1, Class 1, 2, and 3  
3/14/94 N-121  
3/14/94 N-121  
(1744)  
(1744)  
Carbon Steel Pipe Flanges Larger than 24 in., Section III, Division 1, Class 2 and 3 Construction  
Carbon Steel Pipe Flanges Larger than 24 in., Section III, Division 1, Class 2 and 3 Construction  
3/1/79 N-122-2 Procedure for Evaluation of the Design of Rectangular Cross Section Attachments on Class 1 Piping, Section III, Division 1  
3/01/79 N-122-2 Procedure for Evaluation of the Design of Rectangular Cross Section Attachments on Class 1 Piping, Section III, Division 1
8/20/09 N-123  
8/20/09 N-123  
(1746)  
(1746)  
Leak Testing of Seal Welds, Section III, Division 1, Class 1, 2, and 3 Construction  
Leak Testing of Seal Welds, Section III, Division 1, Class 1, 2, and 3 Construction  
3/1/79 N-124  
3/01/79 N-124  
(1747)  
(1747)  
Requirements for Martensitic Stainless Forgings with 13% Chromium and  
Requirements for Martensitic Stainless Forgings with 13% Chromium and 4% Nickel, Section III, Division 1  
4% Nickel, Section III, Division 1  
7/13/87 N-125  
7/13/87 N-125  
(1748)  
(1748)  
Low Carbon Austenitic Stainless Steel Pipe Welded with Filler Metal, Section III, Division 1, Construction  
Low Carbon Austenitic Stainless Steel Pipe Welded With Filler Metal, Section III, Division 1, Construction  
7/1/78 N-126  
7/01/78 N-126  
(1754)  
(1754)  
Hard Surfacing by the Spray-Fuse Method, Section III, Class 1, 2, and 3 Construction  
Hard Surfacing by the Spray-Fuse Method, Section III, Class 1, 2, and 3 Construction  
7/1/88 N-127  
7/01/88 N-127  
(1755-1)  
(1755-1)  
Alternative Rules for Examination of Welds in Piping, Section III, Class 1 and 2 Construction  
Alternative Rules for Examination of Welds in Piping, Section III, Class 1 and 2 Construction  
2/20/92 N-139 Testing of Electroslag Wire and Flux for Class 1, 2, 3, MC, and CS Construction, Section III, Division 1  
2/20/92 N-139 Testing of Electroslag Wire and Flux for Class 1, 2, 3, MC, and CS Construction, Section III, Division 1  
1/1/79 N-140  
1/01/79  
 
RG 1.84, Page 18 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-140  
(1772)  
(1772)  
Use of SA-453 Bolts in Service below 800°F without Stress Rupture Tests, Section III, Division 1  
Use of SA-453 Bolts in Service Below 800F Without Stress Rupture Tests, Section III, Division 1  
12/31/85  
12/31/85 N-142-1  
 
RG 1.84, Rev. 38, Page 18
 
CODE CASE
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III
CODE CASES
ANNULMENT
DATE
N-142-1  
(1774-1)  
(1774-1)  
Minimum Wall Thickness for Class 2 and 3 Valves, Section III, Division 1  
Minimum Wall Thickness for Class 2 and 3 Valves, Section III, Division 1  
1/1/80  
1/01/80  
N-147  
N-147  
(1781)  
(1781)  
Use of Modified SA-487 Grade CA6NM, Section III, Division 1, Class 1, 2, 3, MC, or CS  
Use of Modified SA-487 Grade CA6NM, Section III, Division 1, Class 1, 2, 3, MC or CS  
7/1/78 N-148  
7/01/78 N-148  
(1782)  
(1782)  
Use of Copper-Nickel Alloy 962 for Castings, Section III, Division 1, Class 3 Construction  
Use of Copper-Nickel Alloy 962 for Castings, Section III, Division 1, Class 3 Construction  
Line 667: Line 614:
2/14/86 N-157  
2/14/86 N-157  
(1794)  
(1794)  
Use of Seamless Al-Br, Alloy CDA 614 Pipe, Section III, Division 1, Class 3  
Use of Seamless Al-Br, Alloy CDA 614 Pipe, Section III, Division 1, Class  
1/7/83 N-158  
3  
1/07/83 N-158  
(1795)  
(1795)  
Examination of Weld Repairs in Forgings, Section III, Division 1, Class 1, 2, 3, MC, and CS  
Examination of Weld Repairs in Forgings, Section III, Division 1, Class 1, 2, 3, MC and CS  
7/1/78 N-159  
7/01/78 N-159  
(1796)  
(1796)  
Body Neck Thickness Determination for Valves with Inlet Connections  
Body Neck Thickness Determination for Valves with Inlet Connections        
4-Inch Nominal Pipe Size and Smaller, Section III, Division 1, Class 1, 2, and 3  
4-Inch Nominal Pipe Size and Smaller, Section III, Division 1, Class 1, 2, and 3  
7/1/78 N-160-1 Finned Tubing for Construction, Section III, Division 1  
7/01/78 N-160-1 Finned Tubing for Construction, Section III, Division 1  
10/14/11 N-174  
10/14/11 N-174  
(1812)  
(1812)  
Size of Fillet Welds for Socket Welding of Piping, Section III, Division 1  
Size of Fillet Welds for Socket Welding of Piping, Section III, Division 1  
1/1/81 N-176-1  
1/01/81 N-176-1  
(1819-1)  
(1819-1)  
Use of Type XM-19 for Construction, Section III, Division 1, Class 1, 2, and 3  
Use of Type XM-19 for Construction, Section III, Division 1, Class 1, 2, and 3  
Line 685: Line 633:
(1820)  
(1820)  
Alternative Ultrasonic Examination Technique, Section III, Division 1  
Alternative Ultrasonic Examination Technique, Section III, Division 1  
1/1/84 N-178 Use of ASTM B271, CDA 954, Alloy 9C for Class 3 Construction, Section III, Division 1  
1/01/84 N-178 Use of ASTM B271, CDA 954, Alloy 9C for Class 3 Construction, Section III, Division 1  
1/1/80  
1/01/80  
N-179 Openings in Valves for Section III, Division 1, Class 1, 2 and 3 Construction  
N-179 Openings in Valves for Section III, Division 1, Class 1, 2 and 3 Construction  
7/11/80  
7/11/80  
N-180  
N-180  
Examination of Springs for Class 1 Component Standards Supports, Section III, Division 1  
Examination of Springs for Class 1 Component Standards Supports, Section III, Division 1  
7/1/78 N-181 Steel Castings Refined by the Argon Decarburization Process, Section III,  
7/01/78 N-181 Steel Castings Refined by the Argon Decarburization Process, Section III,  
Division 1, Construction  
Division 1, Construction  
7/11/80  
7/11/80  
N-182 Alternate Rules for Procedure Qualification Base Material Orientation, Section III, Division 1, Class 2 and 3 Construction  
N-182 Alternate Rules for Procedure Qualification Base Material Orientation, Section III, Division 1, Class 2 and 3 Construction  
7/1/81 N-183 Use of Modified SA-182 Grade F22 for Section III, Division 1, Class 1, 2 and 3 Construction  
7/01/81 N-183 Use of Modified SA-182 Grade F22 for Section III, Division 1, Class 1, 2 and 3 Construction  
1/1/80  
1/01/80  
N-184 Roll Threading of SA-453 Bolting for Section III, Division 1, Class 1, 2, 3, or CS Construction  
N-184 Roll Threading of SA-453 Bolting for Section III, Division 1, Class 1, 2, 3, or CS Construction  
7/1/79 N-188-1 Use of Welded Ni-Fe-Cr-Mo-Cu (Alloy 825) and Ni-Cr-Mo-Cb (Alloy 625)  
7/01/79 N-188-1 Use of Welded Ni-Fe-Cr-Mo-Cu (Alloy 825) and Ni-Cr-Mo-Cb (Alloy 625) Tubing, Section III, Division 1, Class 2 and 3  
Tubing, Section III, Division 1, Class 2 and 3  
8/14/96  
8/14/96 N-189 Primary Membrane Plus Primary Bending Stress Intensity Limits for Other Than Solid Rectangular Sections for Section III, Division 1, Class MC
Construction
7/1/79


RG 1.84, Rev. 38, Page 19  
RG 1.84, Page 19 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-189 Primary Membrane Plus Primary Bending Stress Intensity Limits for Other Than Solid Rectangular Sections for Section III, Division 1, Class MC Construction
 
7/01/79 N-190  
CODE CASE
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III  
CODE CASES
ANNULMENT
DATE
N-190  
Use of SA-455 for Class 3 Components, Section III, Division 1  
Use of SA-455 for Class 3 Components, Section III, Division 1  
7/1/78 N-193 Use of SB-61 and SB-62 Bronze for Section III, Division 1, Class 3 Flange and Socket Weld End Valves  
7/01/78 N-193 Use of SB-61 and SB-62 Bronze for Section III, Division 1, Class 3 Flange and Socket Weld End Valves  
11/21/80  
11/21/80  
N-196-1 Exemption from the Shakedown Requirements When Plastic Analysis Is Performed for Section III, Division 1, Class 1 and CS Construction  
N-196-1 Exemption from the Shakedown Requirements When Plastic Analysis Is Performed for Section III, Division 1, Class 1 and CS Construction  
7/1/92 N-204 Use of Modified SA-508, Class 3, and SA-541, Class 3 for Section III,  
7/01/92 N-204 Use of Modified SA-508, Class 3, and SA-541, Class 3 for Section III,  
Division 1, Class 1, 2, and 3 Components  
Division 1, Class 1, 2, and 3 Components  
1/1/81 N-206 Use of ASTM B151-75 Copper-Nickel Alloy 706 Rod and Bar for Section III, Division 1, Class 3 Construction  
1/01/81 N-206 Use of ASTM B151-75 Copper-Nickel Alloy 706 Rod and Bar for Section III, Division 1, Class 3 Construction  
6/30/83 N-207-1 Use of Modified SA-479 Type XM-19 for Section III, Division 1, Class 1, 2,  
6/30/83 N-207-1 Use of Modified SA-479 Type XM-19 for Section III, Division 1, Class 1,  
3, or CS Construction  
2, 3, or CS Construction  
1/21/85 N-212  
1/21/85 N-212  
(1693)  
(1693)  
Welding Procedure Qualification of Dissimilar Metal Welds When Buttering with Alloy Weld Metal and Heat Treatment May Be Involved, Section III, Division 1, and Section IX  
Welding Procedure Qualification of Dissimilar Metal Welds When AButtering@ with Alloy Weld Metal and Heat Treatment May Be Involved, Section III, Division 1, and Section IX.
1/1/81 N-214-2 Use of SA-351 Grade CN7M, for Valves, Section III, Division 1  
 
1/01/81 N-214-2 Use of SA-351 Grade CN7M, for Valves, Section III, Division 1  
12/31/83 N-215 Integrally Finned Titanium Tubes, Section III, Division 1, Class 3 Construction  
12/31/83 N-215 Integrally Finned Titanium Tubes, Section III, Division 1, Class 3 Construction  
5/15/81 N-217-1 Postweld Heat Treatment of Weld Deposit Cladding on Classes 1, 2, 3, MC, and CS Items, Section III, Division 1  
5/15/81 N-217-1 Postweld Heat Treatment of Weld Deposit Cladding on Classes 1, 2, 3, MC, and CS Items, Section III, Division 1  
Line 733: Line 672:
Division 1, Class MC  
Division 1, Class MC  
11/20/81 N-224-1 Use of ASTM A500 Grade B and ASTM A501 Structural Tubing for Welded Attachments for Section III, Class 2, 3, and MC  
11/20/81 N-224-1 Use of ASTM A500 Grade B and ASTM A501 Structural Tubing for Welded Attachments for Section III, Class 2, 3, and MC  
4/5/90  
4/05/90  
N-225 Certification and Identification of Material for Component Supports, Section III, Division 1  
N-225 Certification and Identification of Material for Component Supports, Section III, Division 1  
1/1/81 N-226 Temporary Attachment of Thermocouples, Section III, Division 1, Class 1, 2 and 3 Component Supports  
1/01/81 N-226 Temporary Attachment of Thermocouples, Section III, Division 1, Class 1, 2 and 3 Component Supports  
1/1/80  
1/01/80  
N-227 Examination of Repair Welds, Section III, Class 2 and 3 Tanks  
N-227 Examination of Repair Welds, Section III, Class 2 and 3 Tanks  
7/9/82 N-228 Alternate Rules for Sequence of Completion of Code Data Report Forms and Stamping for Section III, Class 1, 2, 3, and MC Construction  
7/09/82 N-228 Alternate Rules for Sequence of Completion of Code Data Report Forms and Stamping for Section III, Class 1, 2, 3 and MC Construction  
3/19/82 N-229 Alternate Rules for Fabrication Welding SB-148 Alloy CDA 954 for Section III, Division 1, Class 3 Construction  
3/19/82 N-229 Alternate Rules for Fabrication Welding SB-148 Alloy CDA 954 for Section III, Division 1, Class 3 Construction  
1/21/88 N-231 Alternate Methods for Leak Detection in the Attachment Welds of Leak Chase Channels, Section III, Division 2, Class CC  
1/21/88 N-231 Alternate Methods for Leak Detection in the Attachment Welds of Leak Chase Channels, Section III, Division 2, Class CC  
7/1/92 N-233 Alternate Rules for PWHT of P-No. 6, Group 4 Material for Section III,  
7/01/92 N-233 Alternate Rules for PWHT of P-No. 6, Group 4 Material for Section III,  
Division 1, Class 3 Construction  
Division 1, Class 3 Construction  
9/17/87 N-237-2 Hydrostatic Testing of Internal Piping, Section III, Division 1, Classes 2 and 3  
9/17/87  
7/1/88 N-240  
 
RG 1.84, Page 20
Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-237-2 Hydrostatic Testing of Internal Piping, Section III, Division 1, Classes 2 and 3  
7/01/88 N-240  
Hydrostatic Testing of Open Ended Piping, Section III, Division 1  
Hydrostatic Testing of Open Ended Piping, Section III, Division 1  
7/1/97  
7/01/97 N-241 Hydrostatic Testing of Piping, Section III, Division 1  
 
7/01/97 N-243 Boundaries Within Castings Used for Core Support Structures, Section III, Division 1, Class CS  
RG 1.84, Rev. 38, Page 20
 
CODE CASE
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III
CODE CASES
ANNULMENT
DATE
N-241 Hydrostatic Testing of Piping, Section III, Division 1  
7/1/97 N-243 Boundaries within Castings Used for Core Support Structures, Section III,  
Division 1, Class CS  
10/14/11 N-245 Use of ASTM B61-76 and B62-76 Copper Alloy Castings for Section III,  
10/14/11 N-245 Use of ASTM B61-76 and B62-76 Copper Alloy Castings for Section III,  
Division 1, Class 3 Construction  
Division 1, Class 3 Construction  
7/17/85 N-246-2 SB-169 Alloy C61400, Section III, Division 1, Class 3 Construction  
7/17/85 N-246-2 SB-169 Alloy C61400, Section III, Division 1, Class 3 Construction  
7/27/95 N-247 Certified Design Report Summary for Component Standard Supports, Section III, Division 1, Class 1, 2, 3 and MC  
7/27/95 N-247 Certified Design Report Summary for Component Standard Supports, Section III, Division 1, Class 1, 2, 3 and MC  
4/30/93 N-248 Alternative Reference Radiographs, Section III, Division 1, Classes 1, 2, 3, MC, and CS Construction  
4/30/93 N-248 Alternative Reference Radiographs, Section III, Division 1, Classes 1, 2,  
7/1/80  
3, MC, and CS Construction  
N-259 Ni-Cu-Al Bolting Material SB 164 Modified, Section III, Division 1, Class 3  
7/01/80  
1/1/84 N-261 Weld Procedure Qualification for Materials with Impact Requirements for Section III, Division 1, Class 3 Construction  
N-259 Ni-Cu-Al Bolting Material SB 164 Modified, Section III, Division 1, Class  
3  
1/01/84 N-261 Weld Procedure Qualification for Materials with Impact Requirements for Section III, Division 1, Class 3 Construction  
12/13/82 N-262 Electric Resistance Spot Welding for Structural Use in Component Supports, Section III, Division 1  
12/13/82 N-262 Electric Resistance Spot Welding for Structural Use in Component Supports, Section III, Division 1  
7/27/91 N-265-1 Modified SA-487 Castings, Section III, Division 1, Class 1  
7/27/91 N-265-1 Modified SA-487 Castings, Section III, Division 1, Class 1  
8/14/97 N-267 Double-Wall Radiography, Section III, Division 1, Class 1 and 2  
8/14/97 N-267 Double-Wall Radiography, Section III, Division 1, Class 1 and 2  
7/1/81 N-271 Simplified Method for Analyzing Flat Face Flanges with Metal to Metal Contact outside the Bolt Circle for Section III, Class 2, 3, and MC  
7/01/81 N-271 Simplified Method for Analyzing Flat Face Flanges with Metal to Metal Contact Outside the Bolt Circle for Section III, Class 2, 3, and MC  
Construction  
Construction  
2/14/86 N-272 Compiling Data Report Forms, Section III, Division 1  
2/14/86 N-272 Compiling Data Report Forms, Section III, Division 1  
1/1/82 N-276 Welding of SA-358 Pipe, Section III, Division 1  
1/01/82 N-276 Welding of SA-358 Pipe, Section III, Division 1  
2/14/86 N-277 Use of Type XM-19 Austenitic Stainless Steel for Section III, Division 1, Class MC Construction  
2/14/86 N-277 Use of Type XM-19 Austenitic Stainless Steel for Section III, Division 1 Class MC Construction  
9/17/80  
9/17/80  
N-280  
N-280  
Alternate Rules for Examination of Welds in Section III, Class 3 Storage Tanks  
Alternate Rules for Examination of Welds in Section III, Class 3 Storage Tanks  
7/1/81 N-281 Welding Operator Performance Qualification, Section III, Division 1  
7/01/81 N-281 Welding Operator Performance Qualification, Section III, Division 1  
7/1/81 N-282 Nameplates for Valves, Section III, Division 1, Class 1, 2, and 3 Construction  
7/01/81 N-282 Nameplates for Valves, Section III, Division 1, Class 1, 2, and 3 Construction  
7/30/89 N-294 SB-148 Alloys 952 and 954, and SB-62 Alloy 836 Fittings, Section III,  
7/30/89 N-294 SB-148 Alloys 952 and 954, and SB-62 Alloy 836 Fittings, Section III,  
Division 1, Class 2  
Division 1, Class 2  
7/27/95 N-295 NCA-1140, Materials, Section III, Division 1  
7/27/95 N-295 NCA-1140, Materials, Section III, Division 1  
6/30/82 N-296 Welding Material, Section III, Division 1 Construction  
6/30/82 N-296 Welding Material, Section III, Division 1 Construction  
12/1/83 N-298 Examination of Component Supports, Section III, Division 1, Class 1, 2, 3, and MC  
12/01/83 N-298 Examination of Component Supports, Section III, Division 1, Class 1, 2,  
12/1/83 N-299-1 Use of Nickel-Chromium-Molybdenum-Columbium Alloy 625 Forgings, Section III, Division 1, Class 2 and Class 3 Components  
3, and MC  
12/01/83  
 
RG 1.84, Page 21 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-299-1 Use of Nickel-Chromium-Molybdenum-Columbium Alloy 625 Forgings, Section III, Division 1, Class 2 and Class 3 Components  
2/23/87 N-300  
2/23/87 N-300  
Pressure-Temperature Ratings, Hydrostatic Tests, and Minimum Wall Thickness of Valves, Section III, Division 1, Class 1  
Pressure-Temperature Ratings, Hydrostatic Tests, and Minimum Wall Thickness of Valves, Section III, Division 1, Class 1  
12/1/83  
12/01/83 N-302 Tack Welding, Section III, Division 1, Construction  
 
RG 1.84, Rev. 38, Page 21
 
CODE CASE
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III
CODE CASES
ANNULMENT
DATE
N-302 Tack Welding, Section III, Division 1, Construction  
11/28/83 N-304-4 Use of 20Cr-25Ni-6Mo (Alloy UNS N08366) Plate, Sheet, Strip, and Welded Pipe, Class 2 and 3, Section III, Division 1  
11/28/83 N-304-4 Use of 20Cr-25Ni-6Mo (Alloy UNS N08366) Plate, Sheet, Strip, and Welded Pipe, Class 2 and 3, Section III, Division 1  
1/1/03 N-309-1 Identification of Materials for Component Supports, Section III, Division 1  
1/01/03 N-309-1 Identification of Materials for Component Supports, Section III, Division  
7/1/95 N-313 Alternative Rules for Half-Coupling Branch Connections, Section III,  
1  
7/01/95 N-313 Alternative Rules for Half-Coupling Branch Connections, Section III,  
Division 1, Class 2  
Division 1, Class 2  
7/1/96 N-316 Alternative Rules for Fillet Weld Dimensions for Socket Welding Fittings, Section III, Division 1, Class 1, 2, and 3  
7/01/96 N-316 Alternative Rules for Fillet Weld Dimensions for Socket Welding Fittings, Section III, Division 1, Class 1, 2, and 3  
8/14/93 N-317 ASTM A276 Bar, Section III, Division 1
8/14/93 N-317 ASTM A276 Bar, Section III, Division  
7/1/82 N-318-5 Procedure for Evaluation of the Design of Rectangular Cross Section Attachments on Class 2 or 3 Piping, Section III, Division 1  
7/01/82 N-318-5 Procedure for Evaluation of the Design of Rectangular Cross Section Attachments on Class 2 or 3 Piping, Section III, Division 1
8/20/09 N-320  
8/20/09 N-320  
Alternate PWHT for SA-487, Grade CA6NM, Section III, Division 1  
Alternate PWHT for SA-487, Grade CA6NM, Section III, Division 1  
Line 813: Line 740:
Division 1  
Division 1  
9/17/87 N-329 Examination of Bar Material, Section III, Division 1, Class 1  
9/17/87 N-329 Examination of Bar Material, Section III, Division 1, Class 1  
10/14/11 N-336 Examination of Welds Inaccessible during Pressure Test, Section III,  
10/14/11 N-336 Examination of Welds Inaccessible During Pressure Test, Section III,  
Division 1, Class MC  
Division 1, Class MC  
6/30/83 N-337-1 Use of ASTM B 525-70 Grade II, Type II, Sintered Austenitic Stainless Steel for Classes 2, 3, and MC Component Standard Supports, Section III,  
6/30/83 N-337-1 Use of ASTM B 525-70 Grade II, Type II, Sintered Austenitic Stainless Steel for Classes 2, 3, and MC Component Standard Supports, Section III,  
Division 1  
Division 1  
3/14/94 N-339 Examination of Ends of Fillet Welds, Section III, Division 1, Classes 1, 2, and MC  
3/14/94 N-339 Examination of Ends of Fillet Welds, Section III, Division 1,Classes 1, 2, and MC  
9/17/84 N-341 Certification of Level III NDE Examiner, Section III, Divisions 1 and 2  
9/17/84 N-341 Certification of Level III NDE Examiner, Section III, Division 1 and 2  
7/1/88 N-342 Use of SA-249 and SA-312 Type 317 Stainless Steel, Section III, Division 1, Classes 1, 2, and 3  
7/01/88 N-342 Use of SA-249 and SA-312 Type 317 Stainless Steel, Section III, Division  
4/2/85 N-345-1 Attachment of AMS 5382 Alloy 31 Seat Rings by Friction Welding, Section III, Division 1, Classes 1, 2, and 3  
1, Classes 1, 2, and 3  
4/02/85 N-345-1 Attachment of AMS 5382 Alloy 31 Seat Rings by Friction Welding, Section III, Division 1, Classes 1, 2, and 3  
3/28/01 N-346 Explosive Welding, Section III, Division 1  
3/28/01 N-346 Explosive Welding, Section III, Division 1  
6/30/86 N-347 Continuous Electric Resistance Seam Welding of P-No. 8 Materials for Component Supports, Section III, Division 1  
6/30/86 N-347 Continuous Electric Resistance Seam Welding of P-No. 8 Materials for Component Supports, Section III, Division 1  
12/13/85 N-349 Pressure Testing Piping Systems, Section III, Division 1, Classes 2 and 3  
12/13/85 N-349 Pressure Testing Piping Systems, Section III, Division 1, Classes 2 and 3  
12/13/85 N-352-1 Use of SA-638 Grade 660 Forgings and Bars below 700°F without Stress Rupture Tests, Section III, Division 1  
12/13/85  
 
RG 1.84, Page 22 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-352-1 Use of SA-638 Grade 660 Forgings and Bars Below 700F Without Stress Rupture Tests, Section III, Division 1  
6/30/86 N-353 Marking of SA-354 Grade BD Bolting, Section III, Division 1  
6/30/86 N-353 Marking of SA-354 Grade BD Bolting, Section III, Division 1  
9/5/88  
9/05/88 N-354-1 Subcontracted Service, Section III, Division 2  
 
RG 1.84, Rev. 38, Page 22
 
CODE CASE
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III
CODE CASES
ANNULMENT
DATE
N-354-1 Subcontracted Service, Section III, Division 2  
8/14/94 N-355 Calibration Block for Angle Beam Ultrasonic Examination of Large Fittings in Accordance with Appendix III-3410  
8/14/94 N-355 Calibration Block for Angle Beam Ultrasonic Examination of Large Fittings in Accordance with Appendix III-3410  
8/9/96 N-357 Certification of Material for Component Supports, Section III, Division 1, Subsection NF  
8/09/96 N-357 Certification of Material for Component Supports, Section III, Division 1, Subsection NF  
7/1/88 N-359 Weld Connection for Coaxial Cylinders, Section III, Division 1, Class 1  
7/01/88 N-359 Weld Connection for Coaxial Cylinders, Section III, Division 1, Class 1  
12/31/84 N-362-2 Pressure Testing of Containment Items, Section III, Division 1,Classes 1, 2, and MC  
12/31/84 N-362-2 Pressure Testing of Containment Items, Section III, Division 1,Classes 1,  
7/1/88 N-367 SA-372 Type V, Grade 1, Class B, Section III, Division 1  
2, and MC  
7/01/88 N-367 SA-372 Type V, Grade 1, Class B, Section III, Division 1  
2/19/89 N-368 Pressure Testing of Pump Discharge Piping, Section III, Division 1, Classes 2 and 3  
2/19/89 N-368 Pressure Testing of Pump Discharge Piping, Section III, Division 1, Classes 2 and 3  
7/1/95 N-370-2 Modified SA-705 Type XM-13 Forgings, Section III, Division 1  
7/01/95 N-370-2 Modified SA-705 Type XM-13 Forgings, Section III, Division 1  
8/14/97 N-371-1  
8/14/97 N-371-1  
12Cr-1W-1Mo-1/4V Martensitic Stainless Steel Valve Internals, Section III,  
12Cr-1W-1Mo-1/4V Martensitic Stainless Steel Valve Internals, Section III, Division 1  
Division 1  
7/18/88 N-372 SB-163 Ni-Fe-Cr-Mo-Cu Alloy 825 (UNS N08825) Tubing, Section III,  
7/18/88 N-372 SB-163 Ni-Fe-Cr-Mo-Cu Alloy 825 (UNS N08825) Tubing, Section III,  
Division 1  
Division 1  
12/31/83 N-376 Pressure Testing of Embedded Class 2 and 3 Piping, Section III, Division 1  
12/31/83 N-376 Pressure Testing of Embedded Class 2 and 3 Piping, Section III, Division  
1  
7/30/86 N-377 Effective Throat Thickness of Partial Penetration Groove Welds, Section III, Division 1, Classes 1, 2, and 3  
7/30/86 N-377 Effective Throat Thickness of Partial Penetration Groove Welds, Section III, Division 1, Classes 1, 2, and 3  
12/31/83 N-378 Examination of Piping Support Material, Section III, Division 1, Class 1  
12/31/83 N-378 Examination of Piping Support Material, Section III, Division 1, Class 1  
Line 856: Line 777:
7/27/91 N-387 Certification of Level III NDE Examiner, Section III, Division 2  
7/27/91 N-387 Certification of Level III NDE Examiner, Section III, Division 2  
9/18/01 N-388 Component Support Bolting, Section III, Division 1, Classes 2, 3, and MC  
9/18/01 N-388 Component Support Bolting, Section III, Division 1, Classes 2, 3, and MC  
2/23/87 N-391-2 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Class 1 Piping, Section III, Division 1  
2/23/87 N-391-2 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Class 1 Piping, Section III, Division 1
5/4/04 N-392-3 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 1  
5/04/04 N-392-3 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 1  
5/4/04 N-393 Repair Welding Structural Steel Bolted Shapes and Plates for Component Supports, Section III, Division 1  
5/04/04 N-393 Repair Welding Structural Steel Bolted Shapes and Plates for Component Supports, Section III, Division 1  
7/27/95 N-394 Restricting Lift to Achieve Reduced Relieving Capacities of Full Lift, Nozzle Type, and Flat Seated Safety and Safety Relief Valves for Compressible Fluid Applications, Section III, Division 1, Classes 2 and 3  
7/27/95 N-394 Restricting Lift to Achieve Reduced Relieving Capacities of Full Lift, Nozzle Type, and Flat Seated Safety and Safety Relief Valves for Compressible Fluid Applications, Section III, Division 1, Classes 2 and 3  
3/2/01 N-395 Laser Welding, Section III, Division 1  
3/02/01 N-395 Laser Welding, Section III, Division 1  
9/18/01 N-403 Reassembly of Subsection NF Component and Piping Supports, Section III,  
9/18/01  
Division 1  
 
7/1/95 N-410  
RG 1.84, Page 23 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-403 Reassembly of Subsection NF Component and Piping Supports, Section III, Division 1  
Certified Relieving Capacities of Pressure Relief Valves Having Set Pressure of 3 psig up to but Not Including 15 psig Installed for  
7/01/95 N-410  
Certified Relieving Capacities of Pressure Relief Valves Having Set Pressure of 3 psig up to but Not including 15 psig Installed for Overpressure Protection of Compressible Fluid Systems, Section III,
Division 1, Classes 2 and 3
3/14/00  
3/14/00  
 
N-412 Alternative Rules for Witnessing the Piping System Pressure Tests of Classes 1, 2, and 3 Piping Systems, Section III, Division 1  
RG 1.84, Rev. 38, Page 23
 
CODE CASE
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III
CODE CASES
ANNULMENT
DATE
Overpressure Protection of Compressible Fluid Systems, Section III,
Division 1, Classes 2 and 3 N-412 Alternative Rules for Witnessing the Piping System Pressure Tests of Classes 1, 2, and 3 Piping Systems, Section III, Division 1  
4/15/91 N-413 Minimum Size of Fillet Welds for Subsection NF Linear Type Supports, Section III, Division 1  
4/15/91 N-413 Minimum Size of Fillet Welds for Subsection NF Linear Type Supports, Section III, Division 1  
2/14/88 N-414 Tack Welds for Class 1, 2, 3 and MC Components and Piping Supports  
2/14/88 N-414 Tack Welds for Class 1, 2, 3 and MC Components and Piping Supports  
Line 882: Line 795:
7/27/95 N-420  
7/27/95 N-420  
Linear Energy Absorbing Supports for Subsection NF, Classes 1, 2, and 3 Construction  
Linear Energy Absorbing Supports for Subsection NF, Classes 1, 2, and 3 Construction  
1/1/99 N-421 Brazing Using a Radiant Energy Source, Section III, Division 1  
1/01/99 N-421 Brazing Using a Radiant Energy Source, Section III, Division 1  
6/30/86 N-433 Non-Threaded Fasteners for Section III, Division 1, Class 1, 2, and 3 Components and Piping Supports  
6/30/86 N-433 Non-Threaded Fasteners for Section III, Division 1, Class 1, 2, and 3 Components and Piping Supports  
12/16/95 N-438-4 UNS N08367 Material, Section III, Division 1, Class 2 and 3 Construction  
12/16/95 N-438-4 UNS N08367 Material, Section III, Division 1, Class 2 and 3 Construction  
7/1/98 N-439-1 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Forgings, Plate, Seamless and Welded Pipe, and Welded Tube, Class 2 and 3 Construction, Section III,  
7/01/98 N-439-1 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Forgings, Plate, Seamless and Welded Pipe, and Welded Tube, Class 2 and 3 Construction, Section III, Division 1  
Division 1  
9/18/01 N-440-1 Use of 20Cr-18Ni-6Mo (Alloy UNS J93254) Castings, Class 2 and 3 Construction, Section III, Division 1  
9/18/01 N-440-1 Use of 20Cr-18Ni-6Mo (Alloy UNS J93254) Castings, Class 2 and 3 Construction, Section III, Division 1  
9/18/01 N-441-2 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Fittings, Class 2 and 3 Construction, Section III, Division 1  
9/18/01 N-441-2 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Fittings, Class 2 and 3 Construction, Section III, Division 1  
9/18/01 N-442  
9/18/01 N-442  
1977 Addendum to ANSI/ASME PTC 25.3-1976, Safety and Safety Relief Valves, Class 1, 2, 3, and MC, Section III, Division 1  
1977 Addendum to ANSI/ASME PTC 25.3-1976, Safety and Safety Relief Valves, Class 1, 2, 3, and MC, Section III, Division 1  
3/8/92 N-443-2 High Yield Strength Cr-Mo Steel, Class 1 Components, Section III,  
3/08/92 N-443-2 High Yield Strength Cr-Mo Steel, Class 1 Components, Section III,  
Division 1  
Division 1  
1/1/01 N-451 Alternative Rules for Analysis of Piping under Seismic Loading, Class 1, Section III, Division 1  
1/01/01 N-451 Alternative Rules for Analysis of Piping Under Seismic Loading, Class 1, Section III, Division 1  
8/14/96 N-459 SA-508 Basic Oxygen-Ladle Furnace Process for Code Construction, Section III, Division 1  
8/14/96 N-459 SA-508 Basic Oxygen-Ladle Furnace Process for Code Construction, Section III, Division 1  
3/14/94 N-462 Alternative Rules for Analysis of Piping Products under Seismic Loading, Class 2 and 3 Piping Systems, Section III, Division 1  
3/14/94 N-462 Alternative Rules for Analysis of Piping Products Under Seismic Loading, Class 2 and 3 Piping Systems, Section III, Division 1  
5/24/96 N-464 Laser Welding of Lap Joints, Section III, Division 1, Classes 2 and 3 Construction  
5/24/96 N-464 Laser Welding of Lap Joints, Section III, Division 1, Classes 2 and 3 Construction  
5/9/03 N-466-1 Modified 9Cr-1Mo Material, Section III, Division 1, Classes 1, 2, and 3  
5/09/03 N-466-1 Modified 9Cr-1Mo Material, Section III, Division 1, Classes 1, 2, and 3  
8/14/97 N-468 Alternative Method of Earthquake Description for Class 2 and 3 Piping of Low Seismicity Sites, Section III, Division 1  
8/14/97 N-468 Alternative Method of Earthquake Description for Class 2 and 3 Piping of Low Seismicity Sites, Section III, Division 1  
1/1/92 N-470  
1/01/92  
 
RG 1.84, Page 24 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-470  
Class MC Material Requirements [NE-2121(c)], Section III, Division 1  
Class MC Material Requirements [NE-2121(c)], Section III, Division 1  
3/8/92  
3/08/92 N-474-2 Design Stress Intensities and Yield Strength Values for UNS N06690 With a Minimum Specified Yield Strength of 35 ksi, Class 1 Components, Section III, Division 1  
 
1/01/00  
RG 1.84, Rev. 38, Page 24
 
CODE CASE
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III
CODE CASES
ANNULMENT
DATE
N-474-2 Design Stress Intensities and Yield Strength Values for UNS N06690 with a Minimum Specified Yield Strength of 35 ksi, Class 1 Components, Section III, Division 1  
1/1/00  
N-475 Materials in Inventory, Section III, Division 1  
N-475 Materials in Inventory, Section III, Division 1  
12/11/92 N-476 Class 1, 2, 3, and MC Linear Component SupportsDesign Criteria for Single Angle Members, Section III, Division 1, Subsection NF  
12/11/92 N-476 Class 1, 2, 3, and MC Linear Component Supports - Design Criteria for Single Angle Members, Section III, Division 1, Subsection NF  
7/1/96 N-482 Direct Quenched Stainless Bar, ASTM A 479-88b, Section III, Division 1  
7/01/96 N-482 Direct Quenched Stainless Bar, ASTM A 479-88b, Section III, Division 1  
3/5/93 N-484-1 Real Time Radioscopic Examination of Welds, Section III, Division 1  
3/05/93 N-484-1 Real Time Radioscopic Examination of Welds, Section III, Division 1  
12/16/94 N-492-1 Grade 9 Titanium Alloy Tubing, Section III, Division 1, Class 1, 2, and 3  
12/16/94 N-492-1 Grade 9 Titanium Alloy Tubing, Section III, Division 1, Class 1, 2, and 3  
1/1/00  
1/01/00  
N-497-1 Use of Fe-Ni-Cr-Mo-N (C-N-3MN) Cast Materials, Section III, Division 1, Class 2 and 3 Construction  
N-497-1 Use of Fe-Ni-Cr-Mo-N (C-N-3MN) Cast Materials, Section III, Division  
1/1/99 N-501 Alternative Rules for NCA-3800, 1990 Addenda, Section III, Division 1  
1, Class 2 and 3 Construction  
1/01/99 N-501 Alternative Rules for NCA-3800, 1990 Addenda, Section III, Division 1  
12/31/93 N-502 SA-268, Grade 26-3-3 (UNS S44660), Section III, Classes 2 and 3  
12/31/93 N-502 SA-268, Grade 26-3-3 (UNS S44660), Section III, Classes 2 and 3  
1/1/00  
1/01/00  
N-507 Identification of Welders, Section III, Division 2  
N-507 Identification of Welders, Section III, Division 2  
7/27/05 N-540  
7/27/05 N-519 Use of 6061-T6 and 60610T651 Aluminum for Class 1 Nuclear Components, Section III, Division 1
2/03/02 N-540  
Guidance on Implementation of NCA-3800 Revisions in 1994 Addenda, Section III, Division 1  
Guidance on Implementation of NCA-3800 Revisions in 1994 Addenda, Section III, Division 1  
6/30/98 N-549 Stamping and Flow Certification of Rupture Disk Devices, Classes 2 and 3, Section III, Division 1  
6/30/98 N-549 Stamping and Flow Certification of Rupture Disk Devices, Classes 2 and  
3, Section III, Division 1  
3/19/99 N-550  
3/19/99 N-550  
Alternative Rules for Examination of Welds in Instrument Tubing, Classes 1 and 2, Section III, Division 1  
Alternative Rules for Examination of Welds in Instrument Tubing, Classes  
1 and 2, Section III, Division 1  
5/20/01 N-551 Alternative Methods of Analysis, NC/ND-3673.1, Class 2 and 3 Applications, Section III, Division 1  
5/20/01 N-551 Alternative Methods of Analysis, NC/ND-3673.1, Class 2 and 3 Applications, Section III, Division 1  
8/14/97 N-559 SA-203, Grade E (Plate) and SA-350, Grade LF3 (Forging), 3.5% Ni Nominal Composition Used in Class 1 Construction, Section III, Division 1  
8/14/97 N-559 SA-203, Grade E (Plate) and SA-350, Grade LF3 (Forging), 3.5% Ni Nominal Composition Used in Class 1 Construction, Section III, Division  
5/24/99 N-572 Use of SG-425 (UNS N08825) Bar and Rods for Class 1 Construction, Section III, Division 1  
1  
5/24/99 N-570
Alternative Rules for Linear Piping and Linear Standard Supports for Class 1, 2, 3, and MC, Section III, Division 1
3/28/06 N-572 Use of SG-425 (UNS N08825) Bar and Rods for Class 1 Construction, Section III, Division 1  
5/24/99 N-596 Use of Alternative Reference Specimens, Section III, Division 1  
5/24/99 N-596 Use of Alternative Reference Specimens, Section III, Division 1  
2/20/04 N-608 Applicable Code Edition and Addenda, NCA-1140(a)(2), Section III,  
2/20/04 N-608 Applicable Code Edition and Addenda, NCA-1140(a)(2), Section III,  
Division 1  
Division 1  
5/20/01 N-611 Use of Stress Limits as an Alternate to Pressure Limits Subsection NC/ND-3500, Section III, Division 1
5/20/01 N-656 Rules for the Construction of Inner Transportation Containments, Section III, Division 3
7/1/2013 N-732 Magnetic Particles Examination of forgings for Construction, Section III,  
5/11/10
N-732 Magnetic Particles Examination of forgings for Construction, Section III,  
Division 1  
Division 1  
10/14/11 N-802 Rules for Repair of Stamped Components by the N-Certificate Holder That Originally Stamped the Component, Section III, Division 1
10/14/11  
8/12/12
1141-7 Foreign Produced Steel  
1141-7 Foreign Produced Steel  
7/23/76  
7/23/76  
RG 1.84, Page 25 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date
1434-1 Postweld Heat Treatment of SA-487 Class 8N Steel Castings, Section III  
1434-1 Postweld Heat Treatment of SA-487 Class 8N Steel Castings, Section III  
1/1/78  
1/01/78  
1461-1 Electron Beam Welding, Section I, III, and VIII, Division 1 and 2  
1461-1 Electron Beam Welding, Section I, III, and VIII, Division 1 and 2  
2/16/77  
2/16/77  
 
1470-2 External Pressure Charts for High-Strength Carbon Steels and for Low-Alloy Steels, Section VIII, Division 1 and 2, and Section III  
RG 1.84, Rev. 38, Page 25
11/04/74  
 
CODE CASE
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III
CODE CASES
ANNULMENT
DATE
1470-2 External Pressure Charts for High-Strength Carbon Steels and for Low-Alloy Steels, Section VIII, Division 1 and 2, and Section III  
11/4/74  
1471-1 Vacuum Electron Beam Welding of Tube Sheet Joints, Section III  
1471-1 Vacuum Electron Beam Welding of Tube Sheet Joints, Section III  
1/1/78  
1/01/78  
1475-1 Ferritic-Austenitic Stainless Steel Seamless Tubes for Section III,  
1475-1 Ferritic-Austenitic Stainless Steel Seamless Tubes for Section III,  
Class 2 and 3 Construction  
Class 2 and 3 Construction  
7/1/75  
7/01/75  
1477-1 Use of 1970 Addenda of ANSI B31.7, Section III  
1477-1 Use of 1970 Addenda of ANSI B31.7, Section III  
1/1/78  
1/01/78  
1494-1 Weld Procedure Qualification Test, Section III  
1494-1 Weld Procedure Qualification Test, Section III  
1/1/78  
1/01/78  
1506 Stress Intensification Factors, Section III, Class 2 and 3 Piping  
1506 Stress Intensification Factors, Section III, Class 2 and 3 Piping  
1/1/78  
1/01/78  
1515 Ultrasonic Examination of Ring Forgings for Shell Sections, Section III,  
1515 Ultrasonic Examination of Ring Forgings for Shell Sections, Section III,  
Class 1 Vessels  
Class 1 Vessels  
7/1/77  
7/01/77  
1529 Materials for Instrument Line Fittings, Section III  
1529 Materials for Instrument Line Fittings, Section III  
7/1/73  
7/01/73  
1531 Electrical Penetrations, Special Alloys for Electrical Penetration Seals, Section III  
1531 Electrical Penetrations, Special Alloys for Electrical Penetration Seals, Section III  
3/21/77  
3/21/77  
1532 Section III, Class 3 Components Made of 8 Percent and 9 Percent Nickel Steel  
1532 Section III, Class 3 Components Made of 8 Percent and 9 Percent Nickel Steel  
1/1/78  
1/01/78  
1533 Pressure Temperature Ratings of SA-351 Grades CF8A, CF3, and CF3M,  
1533 Pressure Temperature Ratings of SA-351 Grades CF8A, CF3, and CF3M,  
Section III  
Section III  
7/1/75  
7/01/75  
1535-2 Hydrostatic Testing of Section III, Class 1 Valves  
1535-2 Hydrostatic Testing of Section III, Class 1 Valves  
3/21/77  
3/21/77  
1536 Closing Seam for Electrical Penetrations for Section III, Class 2, 3, and MC  
1536 Closing Seam for Electrical Penetrations for Section III, Class 2, 3, and MC  
7/1/77  
7/01/77  
1553-1 Upset Heading and Roll Threading of SA-453 for Bolting in Section III  
1553-1 Upset Heading and Roll Threading of SA-453 for Bolting in Section III  
1/1/76  
1/01/76  
1555-1 Certification of Safety Relief Valves, Section III, Division 1  
1555-1 Certification of Safety Relief Valves, Section III, Division 1  
1/1/78  
1/01/78  
1567 Testing Lots of Carbon and Low Alloy Steel Covered Electrodes, Section III  
1567 Testing Lots of Carbon and Low Alloy Steel Covered Electrodes, Section III  
1/1/78  
1/01/78  
1568 Testing Lots of Flux Cored and Fabricated Carbon and Low Alloy Steel Welded Electrodes, Section III  
1568 Testing Lots of Flux Cored and Fabricated Carbon and Low Alloy Steel Welded Electrodes, Section III  
1/1/78  
1/01/78  
1573 Vacuum Relief Valves, Section III  
1573 Vacuum Relief Valves, Section III  
1/1/78  
1/01/78  
1574 Hydrostatic Test Pressure for Safety Relief Valves, Section III  
1574 Hydrostatic Test Pressure for Safety Relief Valves, Section III  
12/31/74  
12/31/74  
1580-1 Buttwelded Alignment Tolerance and Acceptable Slopes for Concentric Centerlines for Section III, Class 1, 2, and 3 Construction  
1580-1 Buttwelded Alignment Tolerance and Acceptable Slopes for Concentric Centerlines for Section III, Class 1, 2, and 3 Construction  
1/1/78  
1/01/78  
1581 Power-Operated Pressure Relief Valves, Section III  
1581 Power-Operated Pressure Relief Valves, Section III  
3/1/79  
3/01/79  
1583 Use of 80-40 Carbon Steel Castings, Section III  
1583 Use of 80-40 Carbon Steel Castings, Section III  
3/21/77  
3/21/77  
Line 1,009: Line 913:
3/21/77  
3/21/77  
1601 Limits of Reinforcement for Two-Thirds Area, Section III, Class 1  
1601 Limits of Reinforcement for Two-Thirds Area, Section III, Class 1  
7/1/74  
7/01/74  
1602-1 Use of SB-42 Alloy 122, SB-111 Alloys 122, 715 and 706 and SB-466 Alloys 706 and 715, Section III, Class 2 and 3 Components
1602-1 Use of SB-42 Alloy 122, SB-111 Alloys 122, 715 and 706 and  
12/31/74  
12/31/74  


RG 1.84, Rev. 38, Page 26  
RG 1.84, Page 26 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date SB-466 Alloys 706 and 715, Section III, Class 2 and 3 Components
 
CODE CASE
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III  
CODE CASES
ANNULMENT
DATE
1603 Toughness Tests When Cross-Section Limits Orientation and Location of Specimens  
1603 Toughness Tests When Cross-Section Limits Orientation and Location of Specimens  
7/1/74  
7/01/74  
1605 Cr-Ni-Mo-V Bolting Material for Section III, Class 1 Components  
1605 Cr-Ni-Mo-V Bolting Material for Section III, Class 1 Components  
3/17/80  
3/17/80  
Line 1,028: Line 925:
3/21/77  
3/21/77  
1613 Use of SA-372 Class IV Forgings, Section III Construction  
1613 Use of SA-372 Class IV Forgings, Section III Construction  
1/1/78  
1/01/78  
1614 Hydrostatic Testing of Piping Prior To or Following the Installation of Spray Nozzles for Section III, Classes 1, 2, and 3 Piping Systems  
1614 Hydrostatic Testing of Piping Prior To or Following the Installation of Spray Nozzles for Section III, Classes 1, 2, and 3 Piping Systems  
1/1/79  
1/01/79  
1615 Use of A587-73, Section III, Class 3 Construction  
1615 Use of A587-73, Section III, Class 3 Construction  
1/1/78  
1/01/78  
1616 Ultrasonic Examination of Seamless Austenitic Steel Pipe, Section III,  
1616 Ultrasonic Examination of Seamless Austenitic Steel Pipe, Section III,  
Class 1 Construction  
Class 1 Construction  
7/1/75  
7/01/75  
1622 PWHT of Repair Welds in Carbon Steel Castings, Section III, Class 1, 2, and 3  
1622 PWHT of Repair Welds in Carbon Steel Castings, Section III, Class 1, 2, and 3  
1/1/76  
1/01/76  
1623 Design by Analysis for Section III, Class 1 Sleeve-Coupled and Other Patented Piping Joints  
1623 Design by Analysis for Section III, Class 1 Sleeve-Coupled and Other Patented Piping Joints  
3/1/79  
3/01/79  
1625 Repair of Section III, Class 2 and 3 Tanks  
1625 Repair of Section III Class 2 and 3 Tanks  
12/31/74  
12/31/74  
1633 Brazing of Seats to Class 1, 2, and 3 Valve Body or Bonnets, Section III  
1633 Brazing of Seats to Class 1, 2, and 3 Valve Body or Bonnets, Section III  
1/1/78  
1/01/78  
1637 Effective Date for Compliance with NA-3700 of Section III  
1637 Effective Date for Compliance with NA-3700 of Section III  
1/1/75  
1/01/75  
1645 Use of DeLong Diagram for Calculating the Delta Ferrite Content of Welds in Section III, Class 1, 2, and CS Construction  
1645 Use of DeLong Diagram for Calculating the Delta Ferrite Content of Welds in Section III, Class 1, 2, and CS Construction  
1/1/76  
1/01/76  
1648 SA-537 Plates for Section III, Class 1, 2, 3, and MC Components  
1648 SA-537 Plates for Section III, Class 1, 2, 3, and MC Components  
7/1/76  
7/01/76  
1649 Modified SA-453-GR 660 for Class 1, 2, 3, and CS Construction  
1649 Modified SA-453-GR 660 for Class 1, 2, 3, and CS Construction  
1/1/76  
1/01/76  
1650  
1650  
Use of SA-414 Grade C for Class 2 and 3 Components, Section III,  
Use of SA-414 Grade C for Class 2 and 3 Components, Section III,  
Division 1  
Division 1  
12/31/74  
12/31/74  
1651 Interim Requirements for Certification of Component Supports, Section III,  
1651 Interim Requirements for Certification of Component Supports, Section III, Subsection NF  
Subsection NF  
3/01/79  
3/1/79  
1657 Stress Criteria for Class 2 and 3 Atmospheric and Low Pressure  
1657 Stress Criteria for Class 2 and 3 Atmospheric and Low Pressure  
(0-15 psig) Steel Storage Tanks  
(0-15 psig) Steel Storage Tanks  
7/1/77  
7/01/77  
1659 Interconnection of Two Piping Systems for Section III, Class 1, 2, and 3 Construction  
1659 Interconnection of Two Piping Systems for Section III, Class 1, 2, and 3 Construction  
7/1/77  
7/01/77  
1661 Postweld Heat Treatment P-No.1 Materials for Section III, Class 1 Vessels  
1661 Postweld Heat Treatment P-No.1 Materials for Section III, Class 1 Vessels  
1/1/78  
1/01/78  
1662 Shop Assembly of Components, Appurtenances, and Piping Subassemblies for Section III, Class 1, 2, 3, and MC Construction  
1662 Shop Assembly of Components, Appurtenances and Piping Subassemblies for Section III, Class 1, 2, 3, and MC Construction  
1/1/78  
1/01/78  
1664 Use of Cr-Ni-Fe-Mo-Cu-Cb Stabilized Alloy Cb-3 for Section III,
1664 Use of Cr-Ni-Fe-Mo-Cu-Cb Stabilized Alloy Cb-3 for Section III  
Class 2 and 3 Construction  
Class 2 and 3 Construction  
3/21/77  
3/21/77  
1666 Use of SB-12, Alloy 122 for Class 2 and 3 Construction  
1666 Use of SB-12, Alloy 122 for Class 2 and 3 Construction  
7/1/75  
7/01/75  
1672 Nuclear Valves for Section III, Division 1, Class 1, 2, 3 Construction  
1672 Nuclear Valves for Section III, Division 1, Class 1, 2, 3 Construction  
3/21/77  
3/21/77  


RG 1.84, Rev. 38, Page 27  
RG 1.84, Page 27 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date
 
CODE CASE
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III  
CODE CASES
ANNULMENT
DATE
1675 Tubesheet to Shell or Formed Head Weld Joints, Section III, Class 1 Vessels  
1675 Tubesheet to Shell or Formed Head Weld Joints, Section III, Class 1 Vessels  
7/1/76  
7/01/76  
1676 Clarification of Stress Intensities in Curved Pipe or Welded Elbows, Section III  
1676 Clarification of Stress Intensities in Curved Pipe or Welded Elbows, Section III  
7/1/76  
7/01/76  
1678 Butterfly Valves of Circular Cross Section Larger Than 24 in. NPS for Section III, Class 2 and 3 Construction  
1678 Butterfly Valves of Circular Cross Section Larger than 24 in. NPS for Section III, Class 2 and 3 Construction  
1/1/80  
1/01/80  
1682-1 Alternate Rules for Material Manufacturers and Suppliers, Section III,  
1682-1 Alternate Rules for Material Manufacturers and Suppliers, Section III,  
Subarticle NA-3700  
Subarticle NA-3700  
12/31/75  
12/31/75  
1683-1 Bolt Holes for Section III, Class 1, 2, 3 and MC Component Supports  
1683-1 Bolt Holes for Section III, Class 1, 2, 3 and MC Component Supports  
7/1/76  
7/01/76  
1684 A637 Grade 718 for Bolting Class 1 and 2 Construction  
1684 A637 Grade 718 for Bolting Class 1 and 2 Construction  
1/1/76  
1/01/76  
1685 Furnace Brazing Section III, Class 1, 2, 3 and MC Construction  
1685 Furnace Brazing Section III, Class 1, 2, 3 and MC Construction  
1/1/78  
1/01/78  
1686 Furnace Brazing, Section III, Subsection NF, Component Supports  
1686 Furnace Brazing, Section III, Subsection NF, Component Supports  
1/1/78  
1/01/78  
1690  
1690  
Stock Materials for Section III Construction, Section III, Division 1  
Stock Materials for Section III Construction, Section III, Division 1  
1/1/77  
1/01/77  
1691 Ultrasonic Examination in Lieu of Radiography of Repair Welds for Vessels, Section III, Class 1  
1691 Ultrasonic Examination in Lieu of Radiography of Repair Welds for Vessels, Section III, Class 1  
1/1/78  
1/01/78  
1703 Brazing of Copper Alloys, Section III, Class 2  
1703 Brazing of Copper Alloys, Section III, Class 2  
1/1/78  
1/01/78  
1706 Data Report Forms for Component Supports, Section III, Class 1, 2 and 3  
1706 Data Report Forms for Component Supports, Section III, Class 1, 2 and 3  
12/31/75  
12/31/75  
Line 1,113: Line 1,002:
12/31/75  
12/31/75  
1718 Design of Structural Connections for Linear Type Component Supports, Section III, Division 1, Class 1, 2 and 3 and MC  
1718 Design of Structural Connections for Linear Type Component Supports, Section III, Division 1, Class 1, 2 and 3 and MC  
7/1/76  
7/01/76  
1719 Single-Welded, Full-Penetration Sidewall Butt Joints in Atmospheric Storage Tanks, Section III, Division 1, Class 2  
1719 Single-Welded, Full-Penetration Sidewall Butt Joints in Atmospheric Storage Tanks, Section III, Division 1, Class 2  
7/1/76  
7/01/76  
1728 Steel Structural Shapes and Small Material Products for Components Supports, Section II, Division 1 Construction  
1728 Steel Structural Shapes and Small Material Products for Components Supports, Section II, Division 1 Construction  
7/1/77  
7/01/77  
1740  
1740  
Weld Metal Test, Section III, Class 1, 2, 3, MC, and CS  
Weld Metal Test, Section III, Class 1, 2, 3, MC and CS  
7/1/76  
7/01/76  
1741-1 Interim Rules for the Required Number of Impact Tests for Rolled Shapes, Section III, Division 1, Subsection NF, Components Supports  
1741-1 Interim Rules for the Required Number of Impact Tests for Rolled Shapes, Section III, Division 1, Subsection NF, Components Supports  
1/1/78  
1/01/78  
1742 Use of SB-75 Annealed Copper Alloy 122, Section III, Division 1, Class 2 Construction  
1742 Use of SB-75 Annealed Copper Alloy 122, Section III, Division 1, Class 2 Construction  
7/1/76  
7/01/76  
1743 Use of SB-98 Cu-SiB Rod CDA651 Section III, Division 1, Class 2 Components  
1743 Use of SB-98 Cu-SiB Rod CDA651 Section III, Division 1, Class 2 Components  
7/1/76  
7/01/76  
1760  
1760  
Maximum Dimensions for Isolated Pores in WeldsClass 1 Components, Section III, Division 1  
Maximum Dimensions for Isolated Pores in WeldsBClass 1 Components, Section III, Division 1  
7/1/77  
7/01/77  
1765 Machining after Hydrostatic Testing Class 2 and 3 Construction, Section III, Division 1  
1765 Machining After Hydrostatic Testing Class 2 and 3 Construction, Section III, Division 1  
7/1/77  
7/01/77  
1766 Testing Requirements for Welding Materials, Class 1, 2, 3, MC, and CS  
1766 Testing Requirements for Welding Materials, Class 1, 2, 3, MC and CS  
Construction, Section III, Division 1  
Construction, Section III, Division 1  
7/1/77  
7/01/77
1767 Examination of Tubular Products Without Filler Metal-Class 1 Construction, Section III, Division 1
1/01/77  


RG 1.84, Rev. 38, Page 28  
RG 1.84, Page 28 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date
 
1768 Permanent Attachments to Containment VesselsBClass MC, Section III,  
CODE CASE
NUMBER
TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III
CODE CASES
ANNULMENT
DATE
1767 Examination of Tubular Products without Filler MetalClass 1 Construction, Section III, Division 1
1/1/77
1768 Permanent Attachments to Containment VesselsClass MC, Section III,  
Division 1  
Division 1  
1/1/78  
1/01/78  
1769-1 Qualification of NDE Level III Personnel, Section III, Division 1  
1769-1 Qualification of NDE Level III Personnel, Section III, Division 1  
10/1/77  
10/01/77  
1773 Use of Other Product Forms of Materials for Valves, Section III,  
1773 Use of Other Product Forms of Materials for Valves, Section III,  
Division 1  
Division 1  
7/1/77  
7/01/77  
1775 Data Report Forms for Core Support Structures, Class CS, Section III,  
1775 Data Report Forms for Core Support Structures, Class CS, Section III,  
Division 1  
Division 1  
8/13/79  
8/13/79  
1777 Use of SA-106, Grade C in Class MC Construction, Section III, Division 1  
1777 Use of SA-106, Grade C in Class MC Construction, Section III, Division 1  
7/1/77  
7/01/77  
1787 Depth of Weld Repairs for Forgings, Section III, Division 1, Class 1, 2, 3, MC and CS Construction  
1787 Depth of Weld Repairs for Forgings, Section III, Division 1, Class 1, 2, 3, MC and CS Construction  
1/1/78  
1/01/78  
1798 Use of ASTM A352-75, Grades LCA and LCC, Section III, Division 1, Class 1, 2, and 3  
1798 Use of ASTM A352-75, Grades LCA and LCC, Section III, Division 1, Class 1, 2, and 3  
1/1/78  
1/01/78  
1808 F-Number Classification of Low Alloy and Carbon Steel Bare Rod Electrodes, Sections I, II, III, IV, V, VIII, and IX.
1808 F-Number Classification of Low Alloy and Carbon Steel Bare Rod Electrodes, Sections I, II, III, IV, V, VIII, and IX.


1/1/78  
1/01/78  
1810  
1810  
Testing Lots of Carbon Steel Solid, Bare Welding Electrode or Wire, Section III, Division 1, Class 1, 2, 3, MC, and CS  
Testing Lots of Carbon Steel Solid, Bare Welding Electrode or Wire, Section III, Division 1, Class 1, 2, 3, MC, and CS  
3/3/80  
3/03/80  
1819 Use of Type XM-19 for Construction, Section III, Division 1, Class 1, 2, 3  
1819 Use of Type XM-19 for Construction, Section III, Division 1, Class 1, 2, 3  
1/1/78  
1/01/78  


RG 1.84, Rev. 38, Page 29  
RG 1.84, Page 29  
4.


4. Annulled Conditionally Acceptable Section III Code Cases  
Annulled Conditionally Acceptable Section III Code Cases  


The NRC conditionally approved the Code Cases listed in Table 4; however, they were subsequently annulled by ASME.
The Code Cases listed in Table 4 were conditionally approved by the NRC but were subsequently annulled by the ASME.


Table 4.  Annulled Conditionally Acceptable Section III Code Cases  
Table 4.  Annulled Conditionally Acceptable Section III Code Cases  


CODE
Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-11-5  
CASE
NUMBER
TABLE 4 ANNULLED CONDITIONALLY ACCEPTABLE SECTION III     CODE
CASES
TITLE/CONDITION
ANNULMENT
DATE
N-11-5  
(1414-5)  
(1414-5)  
High Yield Strength Cr-Mo Steel for Section III, Division 1, Class 1 Vessels Each referencing safety analysis report should provide the information required by Note 1 in the Code Case.
High Yield Strength Cr-Mo Steel for Section III, Division 1, Class 1 Vessels  
 
8/29/80  
8/29/80  
N-31-1 Elastomer Diaphragm Valves, Section III, Division 1, Classes 2 and 3 Each applicant who applies the Code Case should indicate in the referencing safety analysis report that the service life of the elastomer diaphragm should not exceed the manufacturers recommended service life. This recommended service life should not exceed one-third of the minimum cycle life as established by the requirements of Paragraph 3 of the Code Case. In addition, the service life of the elastomer diaphragm should not exceed 5 years, and the combined service and storage life of the elastomer diaphragm should not exceed 10 years.
The information required to be developed by Note 1 in the Code Case should be provided in each referencing safety analysis report.


7/1/93 N-32-4 Hydrostatic Testing of Embedded Class 2 and Class 3 Piping for Section III,  
N-31-1 Elastomer Diaphragm Valves, Section III, Division 1, Classes 2 and 3
Division 1 Construction The acceptance of Code Case N-32-4 was based on the following clarification and interpretation. Code Case N-32-4 does not replace Paragraph NC/ND-6129, Provisions for Embedded or Inaccessible Welded Joints in Piping, of the Code.
7/01/93 Each applicant who applies the Code Case should indicate in the referencing safety analysis report that the service life of the elastomer diaphragm should not exceed the manufacturers recommended service life. This recommended service life should not exceed 1/3 of the minimum cycle life as established by the requirements of paragraph 3 of the Code Case.  In addition, the service life of the elastomer diaphragm should not exceed 5 years, and the combined service and storage life of the elastomer diaphragm should not exceed 10
years.


The intent of the Code Case is to (1) provide additional testing above Code requirements and (2) permit liquid penetrant or magnetic particle testing in place of radiographic testing for Class 3 piping with a 3/8-inch nominal wall thickness or less.
N-32-4 Hydrostatic Testing of Embedded Class 2 and Class 3 Piping for Section III, Division 1 Construction
3/16/84 The acceptance of Code Case N-32-4 was based on the following clarification and interpretation.  Code Case N-32-4 does not replace paragraph NC/ND-6129, Provisions for Embedded or Inaccessible Welded Joints in Piping, of the Code.  The intent of the Code Case is to (1) provide additional testing above Code requirements and (2) permit liquid penetrant or magnetic particle testing in place of radiographic testing for Class 3 piping with 3/8" nominal wall thickness or less.


Paragraph (1) contains an additional requirement to the Code. It was, therefore, acceptable but unnecessary to include in the Code Case.  Paragraph (2) is a variation in the volumetric examination technique and was acceptable as written.
Paragraph (1) contains an additional requirement to the Code. It was, therefore, acceptable but unnecessary to include in the Code Case.


Paragraph (3) contains an additional requirement and is not a relaxation of the Code. It was, therefore, acceptable but unnecessary to include in the Code Case.
Paragraph (2) is a variation in the volumetric examination technique and was acceptable as written.  Paragraph (3) contains an additional requirement and is not a relaxation of the Code. It was, therefore, acceptable but unnecessary to include in the Code Case.


3/16/84 N-92  
N-92  
(1698)  
(1698)  
Waiver of Ultrasonic Transfer Method, Section III, V, and VIII, Division 1 The material from which the basic calibration block is fabricated should be of the same product form, alloy, and heat treatment as the material being examined.
Waiver of Ultrasonic Transfer Method, Section III, V, and VIII,  
 
Division 1  
Alloys of equivalent P-number groupings may be used for the fabrication of calibration blocks if adjustments to signal height can be made to compensate for sound beam attenuation difference between the calibration block and the material under examination by following the transfer method procedure in the
7/13/81 The material from which the basic calibration block is fabricated should be of the same product form, alloy, and heat treatment as the material being examined. Alloys of equivalent P-number grouping may be used for the fabrication of calibration blocks if adjustments to signal height can be made to compensate for sound beam attenuation difference between the calibration block and the material under examination by following the transfer method procedure of T-535.1(d), Article 5, Section V, ASME BPV Code, 1977 Edition.
1977 Edition of ASME Code, Section V, Article 5, T-535.1(d).  
7/13/81


RG 1.84, Rev. 38, Page 30  
RG 1.84, Page 30  
 
Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-100  
CODE
CASE
NUMBER
TABLE 4 ANNULLED CONDITIONALLY ACCEPTABLE SECTION III     CODE
CASES
TITLE/CONDITION
ANNULMENT
DATE
N-100  
(1711)  
(1711)  
Pressure Relief Valve Design Rules, Section III, Division 1, Class 1, 2 and 3 The safety analysis report should provide the following information:  
Pressure Relief Valve Design Rules, Section III, Division 1, Class 1, 2 and 3  
1/01/83 The following information should be provided in the safety analysis report:  
(1)  
(1)  
If stress limits are used in excess of those specified for the upset operating condition, it should be demonstrated how the pressure relief function is ensured. Refer to paragraph 3.1, Section I, of the Code Case for Class and paragraph 3.2, Section II, of the Code Case for Class 2 and 3 pressure relief valves.
If stress limits are used in excess of those specified for the upset operating condition, it should be demonstrated how the pressure relief function is ensured. Refer to paragraph 3.1, Section I, of the Code Case for Class and paragraph 3.2, Section II, of the Code Case for Class 2 and 3 pressure relief valves.


(2)  
(2)  
If Code Case 1660 is to be used in conjunction with the Code Case, it should be stated that the stress limits of Code Case 1660 supersede those of paragraph 3.2(b), Section I, of Code Case 1711. Functional assurance of (1)  
If Code Case 1660 is to be used in conjunction with the Code Case, it should be stated that the stress limits of Code Case 1660 supersede those of paragraph 3.2(b), Section I, of Code Case 1711. Functional assurance of (1) above is required in all situations.
above is required in all situations.


1/1/83 N-106-2  
N-106-2  
(1720-2)  
(1720-2)  
Weld End Preparation for Section III, Division 1 Construction The acceptance of weld-end preparations other than those shown in Figures 1, 2, and 3 of the Code Case should be evaluated on a case-by-case basis.
Weld End Preparation for Section III, Division 1 Construction  
8/14/93 The acceptance of weld end preparations other than those shown in Figures 1,  
2, and 3 of the Code Case should be evaluated on a case-by-case basis.


8/14/93 N-110  
N-110  
(1727)  
(1727)  
Alternate Test Fluids, Section III, Division 1 The applicant should provide justification in the referencing safety analysis report for the fluid selected for use in the pressure test. The information provided should demonstrate that the fluid selected will not have deleterious effects on the material of the pressure boundary and that the fluid may be safely used at the specified temperature and pressure of the test. When the fluid selected for use is the operating fluid, additional information is not required.
Alternate Test Fluids, Section III, Division 1  
1/01/79 The applicant should provide justification in the referencing safety analysis report for the fluid selected for use in the pressure test. The information provided should demonstrate that the fluid selected will not have deleterious effects on the material of the pressure boundary and that the fluid may be safely used at the specified temperature and pressure of the test. When the fluid selected for use is the operating fluid, additional information is not required.


1/1/79 N-116  
N-116  
(1734)  
(1734)  
Weld Design for Use for Section III, Division 1, Class 1, 2, 3 and MC  
Weld Design for Use for Section III, Division 1, Class 1, 2, 3 and MC  
Construction of Component Supports If the configuration of Figure 1 of the Code Case is used for Class 1 and MC  
Construction of Component Supports  
component supports, full-penetration welds should be used. The application of the configuration shown in Figures 2 and 3 should be restricted to the welding of cans for spring encapsulation in spring hangers. In Figure 3, the length of the leg of the fillet weld adjacent to the plate should be equal to the thickness of the exposed edge of the plate. In addition, the leg of the fillet weld adjacent to the shell should be equal to the thickness of the exposed end of the shell.
1/01/78 If the configuration of Figure 1 of the Code Case is used for Class 1 and MC  
components supports, full penetration welds should be used. The application of the configuration shown in Figures 2 and 3 should be restricted to the welding of cans for spring encapsulation in spring hangers. In Figure 3, the length of the leg of the fillet weld adjacent to the plate should be equal to the thickness of the exposed edge of the plate; also, the leg of the fillet weld adjacent to the shell should be equal to the thickness of the exposed end of the shell.


1/1/78 N-146-1  
N-146-1  
(1780-1)  
(1780-1)  
Hydrostatic Testing and Stamping of Components, Section III, Division 1, Construction On a generic basis, the application of the Code Case is limited to pumps and valves. Application to other components should be treated on a case-by-case basis. Each licensing application in which the Code Case is to be used should contain information showing that, as a minimum, the closure fixture will impose loads that result in stresses equal to or greater than those induced during the hydrostatic test of a complete pump assembly. A closure fixture for the part being tested that is similar in size and shape to the actual mating part is considered adequate to impose these loads. It is not intended that the hydrostatic testing simulate piping reaction loadings.
Hydrostatic Testing and Stamping of Components, Section III,  
Division 1, Construction  
1/01/82 On a generic basis, the application of the Code Case is limited to pumps and valves. Application to other components should be treated on a case-by-case basis. Each licensing application in which the Code Case is to be used should contain information showing that, as a minimum the closure fixture will impose loads that result in stresses equal to or greater than those induced during the hydrostatic test of a complete pump assembly. A closure fixture for the part being tested that is similar in size and shape to the actual mating part is considered adequate to impose these loads. It is not intended that piping reaction loadings be simulated in the hydrostatic testing.


1/1/82 N-175  
RG 1.84, Page 31 Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-175  
(1818)  
(1818)  
Welded Joints in Component Standard Supports, Section III, Division 1 That portion of the unwelded housing that is limited to 90 degrees maximum should include a minimum of two sectors that are uniform in length.
Welded Joints in Component Standard Supports, Section III, Division 1  
7/01/79 That portion of the unwelded housing that is limited to 90° maximum should include a minimum of two sectors that are uniform in length.


7/1/79
N-199 Intervening Elements, Section III, Division 1, Classes 1, 2, 3 and MC
Component Construction
1/01/81 The applicants should provide information in the referencing safety analysis report that demonstrates that all intervening elements have been designed in compliance with the requirements of the respective design specification.


RG 1.84, Rev. 38, Page 31
N-208-2 Fatigue Analysis for Precipitation Hardening Nickel Alloy Bolting Material to Specification SB-637 N07718 for Class 1 Construction, Section III,  
 
Division 1  
CODE
10/14/11
CASE
NUMBER
TABLE 4 ANNULLED CONDITIONALLY ACCEPTABLE SECTION III      CODE
CASES
TITLE/CONDITION
ANNULMENT
DATE
N-199 Intervening Elements, Section III, Division 1, Classes 1, 2, 3, and MC
Component Construction The applicants should provide information in the referencing safety analysis report that demonstrates that all intervening elements have been designed in compliance with the requirements of the respective design specification.
 
1/1/81 N-208-2 Fatigue Analysis for Precipitation Hardening Nickel Alloy Bolting Material to Specification SB-637 N07718 for Class 1 Construction, Section III, Division 1  
(1) In Figure A, the words No mean stress shall be implemented with the understanding that it denotes Maximum mean stress.
(1) In Figure A, the words No mean stress shall be implemented with the understanding that it denotes Maximum mean stress.


(2) In Figure A, y shall be implemented with the understanding that it denotes max.
(2) In Figure A, y shall be implemented with the understanding that it denotes max.


10/14/11 N-238 High Temperature Furnace Brazing of Seat Rings in Valve Bodies or Bonnets for Section III, Division 1, Class 1, 2, and 3 Valves The furnace brazing process procedure qualification should verify nonsensitization, as given in Practices A or E of ASTM A 262-70, Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels (Ref. 7), or ASTM A 708-74, Practice for Detection of Susceptibility to Intergranular Corrosion in Severely Sensitized Austenitic Stainless Steels (Ref. 8), whenever materials subject to sensitization are to be brazed. Documentation is required for the use of a nonsensitizing brazing procedure for valves produced to this Code Case.
N-238 High Temperature Furnace Brazing of Seat Rings in Valve Bodies or Bonnets for Section III, Division 1, Class 1, 2, and 3 Valves  
1/01/82 The furnace brazing process procedure qualification should include a verification for nonsensitization as given in ASTM A 262-70, Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels (Ref. 7), Practices A or E, or ASTM A 708-74, Practice for Detection of Susceptibility to Intergranular Corrosion in Severely Sensitized Austenitic Stainless Steels (Ref. 8), whenever materials subject to sensitization are to be brazed. Documentation is required that a nonsensitizing brazing procedure was employed for valves produced to this Case.


1/1/82 N-242-1 Materials Certification, Section III, Division 1, Classes 1, 2, 3, MC, and CS  
N-242-1 Materials Certification, Section III, Division 1, Classes 1, 2, 3, MC, and CS  
Construction Applicants should identify, in their safety analysis reports, the components and supports for which the Code Case is being applied and should specify the respective paragraphs of the Code Case.
Construction  
6/30/84 Applicants should identify in their safety analysis reports the components and supports for which the Code Case is being applied and should specify the respective paragraphs of the Code Case.


6/30/84 N-252 Low Energy Capacitive Discharge Welding Method for Temporary or Permanent Attachments to Components and Supports, Section III, Division 1, and XI  
N-252 Low Energy Capacitive Discharge Welding Method for Temporary or Permanent Attachments to Components and Supports, Section III, Division 1, and XI  
The applicant should indicate, in the safety analysis report, the application, the material, and the material thickness to which the strain gage or thermocouple will be attached by CD welding.
7/01/82 The applicant should indicate in the safety analysis report the application, the material, and the material thickness to which the strain gage or thermocouple will be attached by CD welding.


7/1/82 N-260-2 Weld Repair of SA-182 Type 316 Forgings, Section III, Division 1, Classes 1, 2,  
N-260-2 Weld Repair of SA-182 Type 316 Forgings, Section III, Division 1, Classes 1,  
3, and MC  
2, 3, and MC  
Type 308L welding materials should not be used to repair Grade F 316 N  
12/05/88 Type 308L welding materials should not be used to repair grade F 316 N  
forgings because of the difference in strength levels.
forgings because of the difference in strength levels.


12/5/88 N-263 Alternate Thread Forms, Series and Fits for Component Supports, Section III,
RG 1.84, Page 32 Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-263 Alternate Thread Forms, Series and Fits for Component Supports, Section III, Division 1  
Division 1 The safety analysis report should do the following:  
3/17/83 The following information should be provided in the safety analysis report:  
(1)  
(1)  
Describe the application.
a description of the application,
 
(2)  
(2)  
Justify the need for the use of the Code Case.
a need for the use of the Code Case, and
 
(3)  
(3)  
Demonstrate that the support design will withstand maximum conditions of loading with the worst combination of thread tolerance.
a demonstration that support design will withstand maximum conditions             of loading with the worst combination of thread tolerance.
 
3/17/83
 
RG 1.84, Rev. 38, Page 32


CODE
N-274 Alternative Rules for Examination of Weld Repairs for Section III, Division 1 Construction  
CASE
6/30/86 The ultrasonic examination procedures shall be proven by actual demonstration, to the satisfaction of the Authorized Nuclear Inspector, that the procedures are capable of detecting unacceptable cracks according to Section XI requirements.
NUMBER
TABLE 4 ANNULLED CONDITIONALLY ACCEPTABLE SECTION III      CODE
CASES
TITLE/CONDITION
ANNULMENT
DATE
N-274 Alternative Rules for Examination of Weld Repairs for Section III, Division 1 Construction The ultrasonic examination procedures shall be proven by actual demonstration to the satisfaction of the authorized nuclear inspector that the procedures are capable of detecting unacceptable cracks in accordance with Section XI,
requirements.


6/30/86 N-275 Repair of Welds, Section III, Division 1 Use of the Code Case applies only when the removal of an indication requires that the full weld thickness be removed and when the backside of the weld assembly joint is not accessible for the removal of examination material. If an indication is removed and weld-metal layers still remain, gouging through the wall to qualify for use of the Code Case is not acceptable. Instead, the cavity must be examined when such an indication has been removed.
N-275 Repair of Welds, Section III, Division 1  
12/31/83 Use of the Code Case is applicable only when the removal of an indication requires that the full weld thickness be removed and, in addition, the backside of the weld assembly joint is not accessible for the removal of examination material. If an indication is removed and weld-metal layers still remain, it is not acceptable to gouge through the wall in order to qualify for use of the Code Case. Instead, examination of the cavity is required when such an indication has been removed.


12/31/83 N-279 Use of Torquing as a Locking Device for Section III, Division 1, Class 1, 2, 3, and MC Component Supports When torquing or other preloading is used as a locking device and the joint is later unloaded or disassembled, the bolting should be replaced unless it can be demonstrated or proved to the authorized nuclear inspector that the original bolting has not been permanently strained.
N-279 Use of Torquing as a Locking Device for Section III, Division 1, Class 1, 2,  
3, and MC Component Supports  
7/13/81 When torquing or other preloading is used as a locking device and the joint is later unloaded or disassembled, the bolting should be replaced unless it can be demonstrated or proved to the Authorized Nuclear Inspector that the original bolting has not been permanently strained.


7/13/81 N-292 Depositing Weld Metal Prior to Preparing Ends for Welding, Section III,  
N-292 Depositing Weld Metal Prior to Preparing Ends for Welding, Section III,  
Division 1, Class 1, 2, and 3 Class 3 piping that is longitudinally welded and that has a weld efficiency factor of 1.0, as selected from ASME Code, Table ND-3613.4-1, Weld Joint Efficiency Factor, must receive a 100-percent volumetric examination (radiographic testing or ultrasonic testing) of the deposited weld metal in accordance with ASME Code, ND-5000, Examination.
Division 1, Class 1, 2, and 3  
2/20/04 Class 3 piping that is longitudinally welded and that has a weld efficiency factor of 1.0 as selected from Table ND-3613.4-1, Weld Joint Efficiency Factor, must receive a 100 percent volumetric examination (RT or UT) of the deposited weld metal in accordance with the requirements of ND-5000,  
Examination.


2/20/04 N-310-1 Certification of Bolting Materials, Section III, Division 1, Class 1, 2, 3, MC, and CS  
N-310-1 Certification of Bolting Materials, Section III, Division 1, Class 1, 2, 3, MC  
Each applicant who applies the Code Case should include the answers to the following questions in the referencing safety analysis report:  
and CS  
7/01/82 Each applicant who applies the Code Case should indicate in the referencing port safety analysis report:  
(1)  
(1)  
Why does the bolting not meet ASME Code, NCA-3800 (or NA-3700)?
in what way the bolting does not meet NCA-3800 (or NA-3700),
(2)  
(2)  
Where will the bolting be used in the plant?
where the bolting will be used in the plant, and
(3)  
(3)  
How will the applicant show that the bolting material properties required by the equipment support design specification will be present in the actual bolting material?
how it will be shown that the bolting material properties required by the             equipment support design specification are present in the actual bolting               material.
7/1/82 N-314 Alternate Rules for Thread Engagement, Section III, Division 1 Applicants should identify the following items in their safety analysis report:  
 
RG 1.84, Page 33 Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-314 Alternate Rules for Thread Engagement, Section III, Division 1  
5/11/84 Applicants should identify in their safety analysis report:  
(1)  
(1)  
the minimum length of thread engagement
the minimum length of thread engagement and
(2)  
(2)  
the procedure used to establish thread engagement  
the procedure used to establish thread engagement.
5/11/84 N-348 N-348-1 N-348-2 Use of SA-574 Socket Weld Head Cap Screws, Section III, Division 1 Applicants safety analysis reports should justify why the use of these socket head cap screws will not result in early failure from stress-corrosion cracking.


N-348 N-348-1 N-348-2 Use of SA-574 Socket Weld Head Cap Screws, Section III, Division 1
9/7/85  
9/7/85  
2/20/89  
2/20/89  
8/14/93  
8/14/93 Applicants should justify in their safety analysis reports why use of these socket head cap screws will not result in early failure from stress corrosion cracking.
 
RG 1.84, Rev. 38, Page 33


CODE
CASE
NUMBER
TABLE 4 ANNULLED CONDITIONALLY ACCEPTABLE SECTION III      CODE
CASES
TITLE/CONDITION
ANNULMENT
DATE
N-350  
N-350  
Postweld Heat TreatmentBThickness of Material, Section III, Division 1 Applicants wishing to use this Code Case for materials other than P-1 materials should demonstrate that the use of this Code Case will not adversely affect the required material properties.
Postweld Heat TreatmentBThickness of Material, Section III, Division 1  
9/05/85 Applicants wishing to use this Code Case for other than P-1 materials should demonstrate that the use of this Code Case will not adversely affect the required material properties.


9/5/85 N-383-1 Weld Repair of SA-182 Austenitic Forgings, Section III, Division 1, Classes 1, 2, and 3 Applicants who apply the provisions of this Code Case to permit material manufacturers to weld repair austenitic forgings without resolution heat treatment should give the NRC staff (through the safety analysis report) a justification as to why this is acceptable for their applications, including their evaluation of the susceptibility for stress-corrosion cracking.
N-383-1 Weld Repair of SA-182 Austenitic Forgings, Section III, Division 1, Classes  
1, 2, and 3  
9/5/85 Applicants who apply the provisions of this Code Case to permit material manufacturers to weld repair austenitic forgings without resolution heat treatment should provide justification to the NRC staff (via the safety analysis report) why this is acceptable for their applications, including their evaluation of the susceptibility for stress corrosion cracking.


9/5/85 N-397 Alternative Rules to the Spectral Broadening Procedures of N-1226.3 for Classes 1, 2, and 3 Piping, Section III, Division 1 The Code Case is acceptable for specific plant applications on a case-by-case basis, pending revision of RG 1.122, Development of Floor Design Response Spectra for Seismic Design of Floor-Supported Equipment or Components (Ref. 9).  
N-397 Alternative Rules to the Spectral Broadening Procedures of N-1226.3 for Classes 1, 2, and 3 Piping, Section III, Division 1  
2/20/87 N-398 Reporting of Charpy-V Notch Test Results, Section III, Division 1 The Code Case is not acceptable for steam generator or reactor coolant pump supports. Applicants wishing to use this Code Case should indicate in the safety analysis report the component supports to which the Code Case is applied for review on a case-by-case basis.
2/20/87 The Code Case is acceptable for specific plant applications on a case-by-case basis pending revision of Regulatory Guide 1.122, Development of Floor Design Response Spectra for Seismic Design of Floor-Supported Equipment or Components (Ref. 9).  
N-398 Reporting of Charpy-V Notch Test Results, Section III, Division 1  
2/20/87 The Code Case is not acceptable to steam generator or reactor coolant pump supports. Applicants wishing to use this Code Case should indicate in the safety analysis report the component supports to which the case is applied for review on a case-by-case basis.


2/20/87 N-404 Annealed Alloy UNS N06625 Over UNS N06600 Bimetallic Tubing, Section III, Division 1, Class 1 The outside layer of the bimetallic tubing should be limited to a minimum of  
N-404 Annealed Alloy UNS N06625 Over UNS N06600 Bimetallic Tubing, Section III, Division 1, Class 1  
5 percent and to a maximum of 40 percent of the wall thickness. The tolerance on the outside layer of material should not exceed -0.000 to +0.007 inch of the specified design wall thickness.
12/11/95 The outside layer of the bimetallic tubing should be limited to a minimum of  
5 percent and to a maximum of 40 percent of the wall thickness. The tolerance on the outside layer of material should not exceed -0.000 to +0.007 inches of the specified design wall thickness.


12/11/95 N-411-1 Alternative Damping Values for Response Spectra Analysis of Class 1, 2, and 3 Piping, Section III, Division 1  
RG 1.84, Page 34 Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-411-1 Alternative Damping Values for Response Spectra Analysis of Class 1, 2, and  
3 Piping, Section III, Division 1  
5/05/00
(1)  
(1)  
The Code Case damping should be used completely and consistently, if it is used at all. (For equipment other than piping, the damping values specified in RG 1.61, Damping Values for Seismic Design of Nuclear Power Plants (Ref. 10), should be used.)
The Code Case damping should be used completely and consistently, if used at all. [For equipment other than piping, the damping values specified in Regulatory Guide 1.61, Damping Values for Seismic Design of Nuclear Power Plants (Ref. 10), are to be used.]
(2)  
(2)  
The damping values specified may be used only in those analyses in which current seismic spectra and procedures have been employed. Such use is to be limited only to response spectral analyses [similar to that used in the study supporting its acceptance, NUREG/CR-3526, Impact of Changes in Damping and Spectrum Peak Broadening on the Seismic Response of Piping Systems (Ref. 11)]. The acceptance of the use with other types of dynamic analyses (e.g., time-history analyses or independent support motion method) is pending further justification.
The damping values specified may be used only in those analyses in which current seismic spectra and procedures have been employed.


Such use is to be limited only to response spectral analyses [similar to that used in the study supporting its acceptance, NUREG/CR-3526, Impact of Changes in Damping and Spectrum Peak Broadening on the Seismic Response of Piping Systems (Ref. 11)].  The acceptance of the use with other types of dynamic analyses (e.g., time-history analyses or independent support motion method) is pending further justification.
N-411-1 (contd)
Alternative Damping Values for Response Spectra Analysis of Class 1, 2, and
3 Piping, Section III, Division 1
5/05/00
(3)  
(3)  
When used for reconciliation work or for support optimization of existing designs, the effects of increased motion on existing clearances and online mounted equipment should be checked.
When used for reconciliation work or for support optimization of existing designs, the effects of increased motion on existing clearances and on-line mounted equipment should be checked.


5/5/00
(4)
This Code Case is not appropriate for analyzing the dynamic response of piping systems using supports designed to dissipate energy by yielding (i.e., the design of which is covered by Code Case N-420).
(5)
This Code Case is not applicable to piping in which stress corrosion cracking has occurred unless a case-specific evaluation is made and is reviewed by the NRC staff.


RG 1.84, Rev. 38, Page 34
(5)      This Code Case is not applicable to piping in which stress corrosion cracking has occurred unless a case-specific evaluation is made and is reviewed by the NRC staff.
 
CODE
CASE
NUMBER
TABLE 4 ANNULLED CONDITIONALLY ACCEPTABLE SECTION III      CODE
CASES
TITLE/CONDITION
ANNULMENT
DATE
(4)
This Code Case is not appropriate for analyzing the dynamic response of piping systems using supports designed to dissipate energy by yielding (i.e., the design of which is covered by Code Case N-420). 
(5)      This Code Case does not apply to piping in which stress corrosion-cracking has occurred unless a case-specific evaluation is made and is reviewed by the NRC staff.


N-430  
N-430  
Alternative Requirements for Welding Workmanship and Visual Acceptance Criteria for Class 1, 2, 3 and MC Linear-Type and Standard Supports, Section III, Division 1  
Alternative Requirements for Welding Workmanship and Visual Acceptance Criteria for Class 1, 2, 3 and MC Linear-Type and Standard Supports, Section III, Division 1  
7/01/93
(1)  
(1)  
The applicant should demonstrate that the applicable supports are not subject to cyclic loading in excess of 20,000 cycles.
The applicant should demonstrate that the applicable supports are not subject to cyclic loading in excess of 20,000 cycles; and
(2)
The first sentence of 3.0(f)(1) should be replaced with the following:
For material 3/8 in. and less nominal thickness, undercut depth of
1/32 in. on one side of the member for the full length of the weld, or
1/32 in. on one side for one-half the length of the weld, and 1/16 in.


(2)
for one-fourth of the length of the weld on the face of a rectangular tube or one-fourth the length of the weld on the same side of the member is acceptable.
The first sentence of 3.0(f)(1) should be replaced with the following: For material 3/8 in. and less nominal thickness, undercut depth of 1/32 in. on one side of the member for the full length of the weld, or 1/32 in. on one side for one-half the length of the weld, and 1/16 in. for one-fourth of the length of the weld on the face of a rectangular tube or one-fourth the length of the weld on the same side of the member is acceptable.


7/1/93 N-595-4 Requirements for Spent Fuel Storage Canisters, Section III, Division 1 The canisters must be made from austenitic stainless steel Type 304 or 316.
N-595-4  


10/14/11 N-656 Rules for the Construction of Inner Transportation Containments, Section III,  
Requirements for Spent Fuel Storage Canisters, Section III, Division 1
Division 3 The inner transportation containment must contain only solid and dry material.
10/14/11 The canisters must be made from austenitic stainless steel Type 304 or 316.


RG 1.84, Page 35 Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-656 Rules for the Construction of Inner Transportation Containments, Section III, Division 3
5/11/10  
5/11/10  
The inner transportation containment must contain only solid and dry material.
1361-2 Socket Welds, Section III  
1361-2 Socket Welds, Section III  
Code Case 1361-2 was acceptable when used in connection with Section III,  
3/01/79 Code Case 1361-2 was acceptable when used in connection with Section III,  
Paragraph NB-3356, Fillet Welds.
paragraph NB-3356, Fillet Welds.


3/1/79
1412-4 Modified High Yield Strength Steel for Section III, Division 1, Class 1 Vessels  
1412-4 Modified High Yield Strength Steel for Section III, Division 1, Class 1 Vessels Each referencing safety analysis report should provide the information required by Note 1 in the Code Case. The material given in the Inquiry section of the Code Case should be SA-508, Class 4b, instead of SA-508, Class 4.
1/01/77 The information required to be developed by Note 1 in the Code Case should be provided in each referencing safety analysis report. The material given in the Inquiry section of the Code Case should be SA-508, Class 4b, instead of SA-508, Class 4.


1/1/77
1423-2 Wrought Type 304 and 316 with Nitrogen Added, Sections I, III, VIII,    
1423-2 Wrought Type 304 and 316 with Nitrogen Added, Sections I, III, VIII, Divisions 1 and 2 Code Case 1423-2 was acceptable subject to compliance with the recommendations in RG 1.31, Control of Ferrite Content in Stainless Steel Weld Metal (Ref. 12), and RG 1.44, Control of the Use of Sensitized Stainless Steel (Ref. 13).  
Division 1 and 2  
7/1/77
7/01/77 Code Case 1423-2 was acceptable subject to compliance with the recommendations contained in Regulatory Guide 1.31, Control of Ferrite Content in Stainless Steel Weld Metal (Ref. 12), and Regulatory Guide 1.44, Control of the Use of Sensitized Stainless Steel (Ref. 13).  
1521-1 Use of H-Grades of SA-240, SA-479, SA-336, and SA-358, Section III  
1521-1 Use of H-Grades of SA-240, SA-479, SA-336, and SA-358, Section III  
Code Case 1521-1 was acceptable subject to compliance with the recommendations contained in RG 1.31 (Ref. 12) and RG 1.44 (Ref. 13).
1/01/78 Code Case 1521-1 was acceptable subject to compliance with the recommendations contained in Regulatory Guide 1.31, and Regulatory Guide 1.44.
1/1/78
1528-3 High Strength Steel SA-508, Class 2 and SA-541, Class 2 Forgings, Section III,
Class 1 Components Each referencing safety analysis report should provide the information required by Note 1 in the Code Case.


1/1/78  
1528-3 High Strength Steel SA-508, Class 2 and SA-541, Class 2 Forgings, Section III, Class 1 Components
1/01/78 The information required to be developed by Note 1 in the Code Case should be provided in each referencing safety analysis report.


RG 1.84, Rev. 38, Page 35
CODE
CASE
NUMBER
TABLE 4 ANNULLED CONDITIONALLY ACCEPTABLE SECTION III      CODE
CASES
TITLE/CONDITION
ANNULMENT
DATE
1569 Design of Piping for Pressure Relief Valve Station, Section III  
1569 Design of Piping for Pressure Relief Valve Station, Section III  
Code Case 1569 was acceptable subject to compliance with the recommendations in RG 1.67, Installation of Over-Pressure Protection Devices (Ref. 14).  
7/01/79 Code Case 1569 was acceptable subject to compliance with the recommendations contained in Regulatory Guide 1.67, Installation of Over-Pressure Protection Devices (Ref. 14).  
7/1/79
1606-1 Stress Criteria Section III, Classes 2 and 3 Piping Subject to Upset, Emergency, and Faulted Operating Conditions  
1606-1 Stress Criteria Section III, Classes 2 and 3 Piping Subject to Upset, Emergency, and Faulted Operating Conditions Code Case 1606-1 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions that apply to ASME Code Class 2 and 3 components for fluid systems. The design specifications should establish and justify these designations.
7/01/77 Code Case 1606-1 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.


7/1/77
RG 1.84, Page 36 Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition
1607-1 Stress Criteria for Section III, Classes 2 and 3 Vessels Designed to NC/NC-3300  
1607-1 Stress Criteria for Section III, Classes 2 and 3 Vessels Designed to NC/NC-3300 Excluding the NC-3200 Alternate  
Excluding the NC-3200 Alternate Code Case 1607-1 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions that apply to ASME Code Class 2 and 3 components for fluid systems. The design specifications should establish and justify these designations.
7/01/77 Code Case 1607-1 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.


7/1/77
1635-1 Stress Criteria for Section III, Class 2 and 3 Valves Subjected to Upset, Emergency, and Faulted Operating Conditions  
1635-1 Stress Criteria for Section III, Class 2 and 3 Valves Subjected to Upset, Emergency, and Faulted Operating Conditions Code Case 1635-1 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions that apply to ASME Code Class  
7/01/77 Code Case 1635-1 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.
2 and 3 components for fluid systems. The design specifications should establish and justify these designations.


7/1/77
1636-1 Stress Criteria for Section III, Class 2 and 3 Pumps Subjected to Upset, Emergency, and Faulted Operating Conditions  
1636-1 Stress Criteria for Section III, Class 2 and 3 Pumps Subjected to Upset, Emergency, and Faulted Operating Conditions Code Case 1636-1 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions that apply to ASME Code Class 2 and 3 components for fluid systems. The design specifications should establish and justify these designations.
7/01/77 Code Case 1636-1 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.


7/1/77
1689-1 Alternate PWHT Time and Temperature for SA-182 Grade F-22, SA-387 Grade 22, Class 2, and SA-335 Grade P-22 Section III,  
1689-1 Alternate PWHT Time and Temperature for SA-182 Grade F-22, SA-387 Grade 22, Class 2, and SA-335 Grade P-22 Section III, Class 1, 2, 3 and CS  
Class 1, 2, 3 and CS  
The alternate postweld heat treatment (PWHT) should be prequalified along with the applicable welding procedure in accordance with Section IX.
1/01/78 The alternate postweld heat treatment should be prequalified along with the applicable welding procedure in accordance with ASME Section IX.


1/1/78
1783-1 Qualification of Nondestructive Examination Personnel, Section III,  
1783-1 Qualification of Nondestructive Examination Personnel, Section III, Division 1 The first sentence of Paragraph 1 of the Code Case should be replaced with the following: The certification of the Level III nondestructive examination personnel for the purpose of this Section of the Code will be the responsibility of the employer of the Level III individual. If the employer is not a Certificate Holder, then the verification of such certificate is the responsibility of the Certificate Holder.
Division 1  
1/01/79 The first sentence of paragraph (1) should be replaced with the following:  
The certification of the Level III nondestructive examination personnel for the purpose of this Section of the Code will be the responsibility of the employer of the Level III individual. If the employer is not a Certificate Holder, then the verification of such certificate is the responsibility of the Certificate Holder.


1/1/79
RG 1.84, Page 37
 
5.
RG 1.84, Rev. 38, Page 36


5. Code Cases Superseded by Revised Code Cases  
Code Cases Superseded by Revised Code Cases  


The Code Cases listed in Table 5 were approved in prior versions of this guide and have since been superseded by revised Code Cases (on or after July 1, 1974). The date in Column 3 indicates the date on which the ASME approved the revision to the Code Case. Note that the NRC unconditionally approved Code Cases listed without conditions.
The Code Cases listed in Table 5 were approved in prior versions of this guide and have since been superseded by revised Code Cases (on or after July 1, 1974). The date in Column 3 indicates the date on which the ASME approved the revision to the Code Case. The older or superseded version of the Code Case, if listed in Table 5, cannot be applied by the licensee or applicant for the first time Note: Code Cases listed without conditions were unconditionally approved for use by the NRC.


Table 5.  Section III Code Cases That Have Been Superseded by Revised Code Cases on or after July 1, 1974  
Table 5.  Section III Code Cases That Have Been Superseded by Revised Code Cases on or after July 1, 1974  


CODE CASE
Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-4-11  
NUMBER
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED 
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
N-4-11  
(1337-11)  
(1337-11)  
N-4-12 Special Type 403 Modified Forgings or Bars, Section III, Division 1, Class 1 and CS  
N-4-12 Special Type 403 Modified Forgings or Bars, Section III, Division 1, Class 1 and CS  
Line 1,475: Line 1,320:
12/13/82 N-7  
12/13/82 N-7  
(1358-5)  
(1358-5)  
High Yield Strength Steel, Section III, Division 1, Class 1 Vessels Each referencing safety analysis report should provide the information required by Note 1 in the Code Case.
High Yield Strength Steel, Section III, Division 1, Class 1 Vessels  
12/13/82 The information required to be developed by Note 1 in the Code Case should be provided in each referencing safety analysis report.


12/13/82 N-20  
N-20  
(1484-3)  
(1484-3)  
N-20-1 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at Nickel-Iron-Chromium Alloy 800 at a Specified Minimum Yield Strength of  
N-20-1 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at Nickel-Iron-Chromium Alloy 800 at a Specified Minimum Yield Strength of 40.0 Ksi, Section III, Division 1, Class 1  
40.0 ksi, Section III, Division 1, Class 1  
9/05/85  
9/5/85  


12/7/87 N-20-2 N-20-3 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at Nickel-Iron-Chromium Alloy 800 at a Specified Minimum Yield Strength of  
12/07/87 N-20-2 N-20-3 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at Nickel-Iron-Chromium Alloy 800 at a Specified Minimum Yield Strength of 40.0 Ksi and Cold Worked Alloy  
40.0-ksi and Cold Worked Alloy 800 at a yield strength of 47.0-ksi, Section III,  
800 at a yield strength of 47.0 Ksi, Section III, Division 1, Class 1  
Division 1, Class 1  
11/30/88  
11/30/88  
2/26/99 N-31  
2/26/99 N-31  
(1540-2)  
(1540-2)  
Elastomer Diaphragm Valves, Section III, Class 2 and 3 Each applicant who applies the Code Case should indicate in the referencing safety analysis report that the service life of the elastomer diaphragm should not exceed the manufacturers recommended service life. This recommended service life should not exceed one-third of the minimum cycle life as established by the requirements of Paragraph 3 of the Code Case. In addition, the service life of the elastomer diaphragm should not exceed 5 years, and the combined service and storage life of the elastomer diaphragm should not exceed 10 years.
Elastomer Diaphragm Valves, Section III, Class 2 and 3  
7/18/85 Each applicant who applies the Code Case should indicate in the referencing safety analysis report that the service life of the elastomer diaphragm should not exceed the manufacturers recommended service life. This recommended service life should not exceed 1/3 of the minimum cycle life as established by the requirements of paragraph 3 of the Code Case. In addition, the service life of the elastomer diaphragm should not exceed 5 years, and the combined service and storage life of the elastomer diaphragm should not exceed 10 years.


7/18/85 N-55  
N-55  
(1609-1)  
(1609-1)  
Inertia and Continuous Drive Friction Welding, Section I, III, IV, VIII,  
Inertia and Continuous Drive Friction Welding, Section I, III, IV, VIII,  
Division 1 and 2, and IX  
Division 1 and 2, and IX  
4/5/84 N-60  
4/05/84 N-60  
(1618-2)  
(1618-2)  
N-60-1 Material for Core Support Structures, Section III, Division 1, Subsection NG  
N-60-1 Material for Core Support Structures, Section III, Division 1, Subsection NG  
Welding of age-hardenable Alloy SA-453 Grade 660 and SA-637 Grade 688 should be performed when the material is in a solution-treated condition.
5/25/83


5/25/83
9/17/84 Welding of age-hardenable alloy SA-453 Grade 660 and SA-637 Grade 688 should be performed when the material is in the solution-treated condition.


9/17/84 N-60-2 N-60-3 N-60-4 Material for Core Support Structures, Section III, Division 1, Subsection NG  
RG 1.84, Page 38 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-60-2 N-60-3 N-60-4 Material for Core Support Structures, Section III, Division 1, Subsection NG  
9/5/85  
9/05/85  
5/13/91  
5/13/91  
2/15/94 Welding of age-hardenable Alloy SA-453 Grade 660 and SA-637 Grade 688 should be performed when the material is in a solution-treated condition. For SA-479 material, the maximum yield strength should not exceed 90,000 pounds per square inch (psi) because of the susceptibility of this material to environmental cracking.
2/15/94 Welding of age-hardenable alloy SA-453 Grade 660 and SA-637 Grade 688 should be performed when the material is in the solution-treated condition. For SA-479 material, the maximum yield strength should not exceed 90,000 psi in view of the susceptibility of this material to environmental cracking.
 
RG 1.84, Rev. 38, Page 37
 
CODE CASE
NUMBER
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED 
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
N-60-5 Material for Core Support Structures, Section III, Division , Class 1 The maximum yield strength of strain-hardened austenitic stainless steel shall not exceed 90,000 psi because of the susceptibility of this material to environmental cracking.


2/20/04 N-62-2  
N-62-2  
(1621-2)  
(1621-2)  
N-62-3 N-62-4 N-62-5 N-62-6 Internal and External Valve Items, Section III, Division 1, Class 1, 2 and 3 Line Valves The Code Case requires Class 1 and Class 2 valve manufacturers to meet the provisions of Section III, Article NCA-4000, and Class 3 valve manufacturers should also meet the provisions of Article NCA-4000.
N-62-3 N-62-4 N-62-5 N-62-6 Internal and External Valve Items, Section III, Division 1, Class 1, 2 and 3 Line Valves  
7/18/85


7/18/85
9/05/85  
9/5/85  
7/24/89  
7/24/89  
12/11/89  
12/11/89  
5/11/94 N-71-7  
5/11/94 The Code requires that Class 1 and Class 2 valve manufacturers meet the provisions of NCA 4000, Quality Assurance, and, in addition, Class 3 valve manufacturers should also meet the provisions of NCA-4000.
 
N-71-7  
(1644-7)  
(1644-7)  
N-71-8  
N-71-8  
(1644-8)  
(1644-8)  
Additional Materials for Component Supports, Section III, Division 1, Subsection NF, Class 1, 2, 3 and MC Component Supports The maximum measured UTS of the component support material should not exceed 170 ksi because of the susceptibility of high-strength materials to brittleness and stress-corrosion cracking. Certain applications may exist where a UTS value of up to 190 ksi could be considered acceptable for a material; under this condition, the design specification should specify impact testing for the material. For these cases, the applicant should demonstrate that (1) the impact test results for the material meet the Code requirements and (2) the material is not subject to stress-corrosion cracking because a corrosive environment is not present and because the component that contains the material has essentially no residual stresses or assembly stresses and it does not experience frequent sustained loads in service.
Additional Materials for Component Supports, Section III, Division 1, Subsection NF,  
Class 1, 2, 3 and MC Component Supports  
5/15/78


5/15/78
1/07/80
The maximum measured ultimate tensile strength (UTS) of the component support material should not exceed 170 Ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion cracking.  Certain applications may exist where a UTS value of up to 190 Ksi could be considered acceptable for a material and, under this condition, the Design Specification should specify impact testing for the material.  For these cases, it should be demonstrated by the applicant that:
(1)
the impact test results for the material meet Code requirements and
(2)
the material is not subject to stress corrosion cracking by virtue of the fact that (a) a corrosive environment is not present, and (b)
the component that contains the material has essentially no residual stresses or assembly stresses, and it does not experience frequent sustained loads in service.


1/7/80
N-71-9  
N-71-9  
(1644-9)  
(1644-9)  
Additional Materials for Component Supports Fabricated by Welding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports In the last sentence of Paragraph 5.3 of the Code Case, reference should be made to Paragraph 4.5.2.2, Alternate Atmosphere Exposure Time Periods Established by Test, of the AWS D.1.1 Code for the evidence presented to and accepted by the authorized inspector concerning exposure of electrodes for longer periods of time.
Additional Materials for Component Supports Fabricated by Welding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports  
 
5/11/81 In the last sentence of paragraph 5.3, reference should be made to paragraph 4.5.2.2, Alternate Atmosphere Exposure Time Periods Established by Test, of the AWS D.1.1 Code for the evidence presented to and accepted by the Authorized Inspector concerning exposure of electrodes for longer periods of time.
5/11/81 N-71-10
N-71-11 Additional Materials for Component Supports Fabricated by Welding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports The maximum measured UTS of the component support material should not exceed 170 ksi because of the susceptibility of high-strength materials to brittleness and stress-corrosion cracking. Certain applications may exist where a UTS value of up to 190 ksi could be considered acceptable for a material; under this condition, the design specification should specify impact testing for the material. For these cases, the applicant should demonstrate that
(1) the impact test results for the material meet Code requirements and
(2) the material is not subject to stress-corrosion cracking because a corrosive environment is not present and because the component that contains the material has essentially no residual stresses or assembly stresses and it does not experience frequent sustained loads in service.
 
The last sentence of Paragraph 5.3 of the Code Case should reference Paragraph
4.5.2.2 of the AWS D.1.1 Code for the evidence presented to and accepted by the authorized inspector concerning exposure of electrodes for longer periods of time.


RG 1.84, Page 39 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-71-10
N-71-11 Additional Materials for Component Supports Fabricated by Welding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports
6/17/82  
6/17/82  
2/14/83  
2/14/83 The maximum measured ultimate tensile strength (UTS) of the component support material should not exceed 170 Ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion cracking.  Certain applications may exist where a UTS value of up to 190 Ksi could be considered acceptable for a material and, under this  condition, the Design Specification should specify impact testing for the material.  For these cases, it should be demonstrated by the applicant that:
(1)
the impact test results  for the material meet Code requirements and
(2)
the material is not subject to stress corrosion cracking by virtue of the fact that (a) a corrosive environment is not present, and (b) the component that contains the material has essentially no residual stresses or assembly stresses, and it does not experience frequent sustained loads in service.


RG 1.84, Rev. 38, Page 38
In the last sentence of paragraph 5.3, reference should be made to paragraph 4.5.2.2, Alternate Atmosphere Exposure Time Periods Established by Test, of the AWS D.1.1 Code for the evidence presented to and accepted by the Authorized Inspector concerning exposure of electrodes for longer periods of time.


CODE CASE
NUMBER
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED 
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
N-71-12 Additional Materials for Component Supports Fabricated by Welding, Section III, Division 1, Class 1, 2, 3 and MC  
N-71-12 Additional Materials for Component Supports Fabricated by Welding, Section III, Division 1, Class 1, 2, 3 and MC  
The maximum measured UTS of the component support material should not exceed 170 ksi in view of the susceptibility of high-strength materials to brittleness and stress-corrosion cracking. Certain applications may exist where a UTS value of up to 190 ksi could be considered acceptable for a material; under this condition, the design specification should specify impact testing for the material. For these cases, the applicant should demonstrate that (1) the impact test results for the material meet Code requirements and  
2/20/84 The maximum measured ultimate tensile strength (UTS) of the component support material should not exceed 170 Ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion cracking. Certain applications may exist where a UTS value of up to 190 Ksi could be considered acceptable for a material and, under this condition, the Design Specification should specify impact testing for the material. For these cases, it should be demonstrated by the applicant that:
(2) the material is not subject to stress-corrosion cracking because a corrosive environment is not present and because the component that contains the material has essentially no residual stresses or assembly stresses and it does not experience frequent sustained loads in service.
(1)  
the impact test results for the material meet Code requirements and  
(2)  
the material is not subject to stress corrosion cracking by virtue of the fact that (a) a corrosive environment is not present, and (b) the component that contains the material has essentially no residual stresses or assembly stresses, and it does not experience frequent sustained loads in service.


The last sentence of Paragraph 5.3 of the Code Case should reference Paragraph
In the last sentence of paragraph 5.3, reference should be made to paragraph 4.5.2.2, Alternate Atmosphere Exposure Time Periods Established by Test, of the AWS D.1.1 Code for the evidence presented to and accepted by the Authorized Inspector concerning exposure of electrodes for longer periods of time. Paragraph 16.2.2 is not acceptable as written and should be replaced with the following: AWhen not exempted by 16.2.1, above, the postweld heat treatment shall be performed in accordance with NF-4622 except that for ASTM A-710 Grade A material, it should be at least 1000°F (540°C) and should not exceed 1150°F (620°C) for Class 1 and Class 2 material and 1175°F (640°C)
4.5.2.2 of the AWS D.1.1 Code for the evidence presented to and accepted by the authorized inspector concerning exposure of electrodes for longer periods of time.
for Class 3 material.  The new holding time at temperature for weld thickness (nominal)
should be 30 minutes for 2 inch or less, 1 hour per inch for thickness over 2 inch to 5 inches, and 5 hours plus 15 minutes for each additional inch over 5 inches.@


Paragraph 16.2.2 is not acceptable as written and should be replaced with the following: When not exempted by 16.2.1, above, the postweld heat treatment shall be performed in accordance with NF-4622 except that for ASTM A-710
RG 1.84, Page 40
Grade A material, it should be at least 1000°F (540°C) and should not exceed
Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-71-13 N-71-14 N-71-15 N-71-16 N-71-17 Additional Materials for Subsection NF, Classes 1, 2, 3 and MC Component Supports Fabricated by Welding, Section III, Division 1  
1150°F (620°C) for Class 1 and Class 2 material and 1175°F (640°C) for Class 3 material. The new holding time at temperature for weld thickness (nominal)
12/05/85  
should be 30 minutes for 2 inches or less, 1 hour per inch for thickness over
2 inches to 5 inches, and 5 hours plus 15 minutes for each additional inch over 5 inches.
 
2/20/84 N-71-13 N-71-14 N-71-15 N-71-16 N-71-17 N-71-18 Additional Materials for Subsection NF, Classes 1, 2, 3 and MC Component Supports Fabricated by Welding, Section III, Division 1  
(1)
The maximum measured UTS of the component support material must not exceed 170 ksi because of the susceptibility of high-strength materials to brittleness and stress-corrosion cracking.
 
(2)
Certain applications may exist for which a UTS value of up to 190 ksi could be considered acceptable for a material; under this condition, the design specification must specify impact testing for the material. For these cases, the applicant must demonstrate that (1) the impact test results for the material meet the Code requirements and (2) the material is not subject to stress-corrosion cracking because a corrosive environment is not present and because the component that contains the material has essentially no residual stresses or assembly stresses and it does not experience frequent sustained loads in service.
 
(3) In the last sentence of Paragraph 5.3 of the Code Case, reference must be made to Paragraph 5.3.2.3, Alternative Atmosphere Exposure Time Periods Established by Tests, of the AWS D1.1 Code for the evidence presented to and accepted by the authorized inspector concerning exposure of electrodes for longer periods of time.
 
(4) Paragraph 15.2.2 of the Code Case is not acceptable as written and must be replaced with the following: When not exempted by 15.2.1 above, the postweld heat treatment must be performed in accordance with NF-4622 except that ASTM A-710 Grade A Material must be at least 1000°F (540°C)
12/5/85  
12/16/86  
12/16/86  
2/12/93  
2/12/93  
12/31/96  
12/31/96  
12/8/00  
12/08/00  
11/8/12
The maximum measured ultimate tensile strength (UTS) of the component support material should not exceed 170 Ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion cracking. Certain applications may exist where a UTS value of up to 190 Ksi could be considered acceptable for a material and, under this condition, the Design Specification should specify impact testing for the material. For these cases, it should be demonstrated by the applicant that:
 
(1)
RG 1.84, Rev. 38, Page 39
the impact test results for the material meet Code requirements, and
 
(2)
CODE CASE
the material is not subject to stress corrosion cracking by virtue of the fact that (a) a corrosive environment is not present, and (b)  
NUMBER
the component that contains the material has essentially no residual stresses or assembly stresses, and it does not experience frequent sustained loads in service.
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED 
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
and must not exceed 1150°F (620°C) for Class 1 and Class 2 material and  
1175°F (640°C) for Class 3 material.


(5) The new holding time at temperature for weld thickness (nominal) must be  
In the last sentence of paragraph 5.3, reference should be made to paragraph 4.5.2.2, Alternate Atmosphere Exposure Time Periods Established by Test, of the AWS D.1.1 Code for the evidence presented to and accepted by the Authorized Inspector concerning exposure of electrodes for longer periods of time.  Paragraph 16.2.2 is not acceptable as written and should be replaced with the following: When not exempted by 16.2.1, above, the postweld heat treatment should be performed in accordance with NF-4622 except that for ASTM A-710 Grade A material, it should be at least 1000°F (540°C) and should not exceed 1150°F (620°C) for Class 1 and Class 2 material and 1175°F (640°C)  
30 minutes for 2 inches or less; 1 hour per inch for thickness over 2 inches to  
for Class 3 material.  The new holding time at temperature for weld thickness (nominal)  
5 inches; and for thicknesses over 5 inches, 5 hours plus 15 minutes for each additional inch over 5 inches.
should be 30 minutes for 2 inch or less, 1 hour per inch for thickness over 2 inch to 5 inches, and 5 hours plus 15 minutes for each additional inch over 5 inches. The fracture toughness of Classes 1, 2, and 3 component supports should be characterized in accordance with Section 5.3.4 of NUREG-0800, Standard Review Plan for the Review of Safety Analysis Reports for Nuclear Power Plants (Ref. 15), or on a case-by-case basis.  The fracture toughness requirements as listed in this Code Case apply only to piping supports and not to Class 1, Class 2, and Class 3 component supports.
 
The fracture toughness requirements as listed in this Code Case apply only to piping supports, not to Class 1, Class 2, and Class 3 component supports.


N-95-1  
N-95-1  
(1701-1)  
(1701-1)  
Determination of Capacities of Vacuum Relief Valves, Section III, Division 1 and  
Determination of Capacities of Vacuum Relief Valves, Section III, Division 1 and 2, Class MC  
2, Class MC  
7/09/79 N-102-1  
7/9/79 N-102-1  
(1714-2)  
(1714-2)  
Postweld Heat Treatment of P-1 Material, Section III, Class MC  
Postweld Heat Treatment of P-1 Material, Section III, Class MC  
Line 1,616: Line 1,437:
8/25/80  
8/25/80  


12/1/80  
12/01/80  


7/18/85  
7/18/85  


9/5/85 N-122 Stress Indices for Structural Attachments, Class 1, Section III, Division 1  
9/05/85 N-122 Stress Indices for Structural Attachments, Class 1, Section III, Division 1  
7/24/89 N-133  
7/24/89 N-133  
(1761-1)  
(1761-1)  
Use of SB-148 Alloy CA954 for Section III, Division 1, Class 2 or 3 Flanged End Valves  
Use of SB-148 Alloy CA954 for Section III, Division 1, Class 2 or 3 Flanged End Valves  
1/14/77 N-133-1 N-133-2 Use of SB-148 Alloys 952 and 954, Section III, Division 1, Class 3  
1/14/77  
 
RG 1.84, Page 41 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-133-1 N-133-2 Use of SB-148 Alloys 952 and 954, Section III, Division 1, Class 3  
5/19/85  
5/19/85  
7/18/85 N-154  
7/18/85 N-154  
Line 1,632: Line 1,455:
(1797)  
(1797)  
Finned Tubing for Construction, Section III, Division 1  
Finned Tubing for Construction, Section III, Division 1  
7/18/85 N-188 Use of Welded Ni-Fe-Cr-Mo-Cu (Alloy 825) and Ni-Cr-Mo-Cb (Alloy 625)  
7/18/85 N-188 Use of Welded Ni-Fe-Cr-Mo-Cu (Alloy 825) and Ni-Cr-Mo-Cb (Alloy 625) Tubing, Section III, Division 1, Class 3  
Tubing, Section III, Division 1, Class 3  
1/01/78 N-192 N-192-1 N-192-2 Use of Flexible Hose for Section III, Division 1, Class 1, 2, and 3 Construction  
1/1/78 N-192 N-192-1 N-192-2 Use of Flexible Hose for Section III, Division 1, Class 1, 2, and 3 Construction The applicant should indicate the system application, design and operating pressure, and pressure-temperature rating of the flexible hose. Data to demonstrate compliance of the flexible hose with NC/ND-3649, particularly NC-ND-
3649.4(e), are required to be furnished with the application.
 
8/30/79  
8/30/79  
9/16/81  
9/16/81  
7/23/02 N-196 Exemption from the Shake-down Requirements When Plastic Analysis is Performed for Section III, Division 1, Class 1 Construction  
7/23/02 The applicant should indicate system application, design and operating pressure, and pressure-temperature rating of the flexible hose.  Data to demonstrate compliance of the flexible hose with NC/ND-3649, particularly NC-ND-3649.4(e), are required to be furnished with the application.
1/8/79 N-207 Use of Modified SA-479 Type XM-19 for Section III, Division 1, Class 1, 2, or 3 Construction  
 
N-196 Exemption from the Shake-down Requirements When Plastic Analysis is Performed for Section III, Division 1, Class 1 Construction  
1/08/79 N-207 Use of Modified SA-479 Type XM-19 for Section III, Division 1, Class 1, 2, or 3 Construction  
3/19/79 N-208-1 Fatigue Analysis for Precipitation Hardening Nickel Alloy Bolting Material to Specification SB-637 N07718 for Section III Division 1, Class 1 Construction  
3/19/79 N-208-1 Fatigue Analysis for Precipitation Hardening Nickel Alloy Bolting Material to Specification SB-637 N07718 for Section III Division 1, Class 1 Construction  
2/14/03  
2/14/03 N-214 N-214-1 Use of SA-351, Grade CN7M, for Valves for Section III, Division 1, Construction  
 
9/07/82  
RG 1.84, Rev. 38, Page 40
 
CODE CASE
NUMBER
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED 
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
N-214 N-214-1 Use of SA-351, Grade CN7M, for Valves for Section III, Division 1, Construction  
9/7/82  
5/25/83 N-224 Use of ASTM A500 Grade B and ASTM A501 Structural Tubing for Welded Attachments for Section III, Class 2 and 3 Construction  
5/25/83 N-224 Use of ASTM A500 Grade B and ASTM A501 Structural Tubing for Welded Attachments for Section III, Class 2 and 3 Construction  
5/11/81 N-237 Hydrostatic Testing of Internal Piping, Section III, Division 1  
5/11/81 N-237 Hydrostatic Testing of Internal Piping, Section III, Division 1  
9/7/82 N-237-1 Hydrostatic Testing of Internal Piping, Section III, Division 1, Classes 2 and 3  
9/07/82 N-237-1 Hydrostatic Testing of Internal Piping, Section III, Division 1, Classes 2 and 3  
5/25/83 N-242 Materials Certification, Section III, Division 1, Classes 1, 2, 3, MC, and CS  
5/25/83 N-242 Materials Certification, Section III, Division 1, Classes 1, 2, 3, MC, and CS  
Construction Applicants should identify the components and supports that require the use of Paragraphs 1.0 through 4.0 of the Code Case in their safety analysis reports.
Construction  
4/10/80
Applicants should identify the components and supports requiring the use of paragraphs
1.0 through 4.0 of the Code Case in their safety analysis reports.


4/10/80
N-246 Use of SB-169 Alloy CA614, Section III, Division 1, Class 3  
N-246 Use of SB-169 Alloy CA614, Section III, Division 1, Class 3  
9/7/82 N-246-1 SB-169, Alloy C 61400, Section III, Division 1, Class 3  
9/07/82 N-246-1 SB-169, Alloy C 61400, Section III, Division 1, Class 3  
5/25/83 N-249 Additional Materials for Component Supports Fabricated without Welding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports Footnote 2 of the Code Case should apply to all materials listed in Tables 1, 2, 3,  
5/25/83 N-249 Additional Materials for Component Supports Fabricated Without Welding, Section III,  
4, and 5 of the Code Case and should be so indicated on line 5 of the Reply.
Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports  
5/11/81 Footnote 2 of the Code Case should apply to all materials listed in Tables 1, 2, 3, 4, and  
5 of the Code Case and should be so indicated on line 5 of the Reply.


5/11/81 N-249-1 Additional Materials for Component Supports Fabricated without Welding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports Paragraph 7 of the Reply should reference the requirements in Paragraph NF-2600 instead of those in Paragraph NF-2800. This is a typographical error because Paragraph NF-2800 does not exist.
N-249-1 Additional Materials for Component Supports Fabricated Without Welding, Section III,  
Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports  
6/17/82 Paragraph 7 of the Reply should reference the requirements of NF-2600 instead of NF-2800. This is a typographical error in that NF-2800 does not exist.


6/17/82 N-249-2 N-249-3 Additional Materials for Subsection NF Class 1, 2, 3, and MC Component Supports Fabricated without Welding, Section III, Division 1  
RG 1.84, Page 42 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-249-2 N-249-3 Additional Materials for Subsection NF Class 1, 2, 3, and MC Component Supports Fabricated Without Welding, Section III, Division 1  
2/14/83  
2/14/83  
2/20/84 N-249-4 N-249-5 Additional Material for Subsection NF, Classes 1, 2, 3, and MC Component Supports Fabricated without Welding, Section III, Division 1 The fracture toughness requirements, as listed in Code Case N-249-4, apply only to piping supports and not to Classes 1, 2, and 3 component supports. The fracture toughness of Classes 1, 2, and 3 component supports should be characterized in accordance with Section 5.3.4 of NUREG-0800, Standard Review Plan for the Review of Safety Analysis Reports for Nuclear Power Plants: LWR Edition (SRP) (Ref. 15), or on a case-by-case basis.
2/20/84 N-249-4 N-249-5 Additional Material for Subsection NF, Classes 1, 2, 3, and MC Component Supports Fabricated Without Welding, Section III, Division 1  
 
9/17/84  
9/17/84  
4/8/85 N-249-6 N-249-7 N-249-8 N-249-9 N-249-10
4/08/85 The fracture toughness requirements as listed in Code Case N-249-4 apply only to piping supports and not to Classes 1, 2, and 3 component supports. The fracture toughness of Classes 1, 2, and 3 component supports should be characterized in accordance with Section 5.3.4 of NUREG-0800, or on a case-by-case basis.
N-249-11 N-249-12 N-249-13 Additional Material for Subsection NF, Classes 1, 2, 3, and MC Component Supports Fabricated without Welding, Section III, Division 1 The fracture toughness requirements apply only to piping supports and not to Classes 1, 2, and 3 component supports. The fracture toughness of Classes 1, 2, and 3 component supports should be characterized in accordance with SRP
Section 5.3.4 (Ref. 15), or on a case-by-case basis. The following should be added to Paragraph 5 of the Code Case: For these cases, the owner should demonstrate that (1) the impact test results for the material meet Code requirements and (2) the material is not subject to stress-corrosion cracking because a corrosive environment is not present and because the component that contains the material has essentially no residual stresses or assembly stresses and it does not experience frequent sustained loads in service.


9/5/85  
N-249-6 N-249-7 N-249-8 N-249-9 N-249-10
12/5/85  
N-249-11 N-249-12 N-249-13 Additional Material for Subsection NF, Classes 1, 2, 3, and MC Component Supports Fabricated Without Welding, Section III, Division 1
9/05/85  
12/05/85  
12/16/86  
12/16/86  
5/6/89  
5/06/89  
5/13/91  
5/13/91  
2/12/93  
2/12/93  
5/11/94  
5/11/94  
12/8/00  
12/08/00  
 
The fracture toughness requirements apply only to piping supports and not to Classes 1,
RG 1.84, Rev. 38, Page 41
2, and 3 component supports.  The fracture toughness of Classes 1, 2, and 3 component supports should be characterized in accordance with Section 5.3.4 of NUREG-0800 or on a case-by-case basis.  The following is to be added to paragraph (5) of the Code Case: For these cases, it should be demonstrated by the Owner that: (1) the impact test results for the material meet Code requirements, and (2) the material is not subject to stress corrosion cracking by virtue of the fact that: (a) a corrosive environment is not present and (b) the component that contains the material has essentially no residual stresses or assembly stresses, and it does not experience frequent sustained loads in service.
 
CODE CASE
NUMBER
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED  
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
N-249-14 Additional Materials for Subsection NF, Class 1, 2, 3, and MC Component Supports Fabricated without Welding, Section III, Division 1
(1)  
The fracture toughness requirements apply only to piping supports, not to Class 1, Class 2, and Class 3 component supports.


(2)
N-260  
The following should be added to Paragraph (e) of the Code Case: For these cases, the owner must demonstrate that (1) the impact test results for the material meet Code requirements and (2) the material is not subject to stress-corrosion cracking because a corrosive environment is not present and because the component that contains the material has essentially no residual stresses or assembly stresses and it does not experience frequent sustained loads in service.
 
2/20/04 N-260  
Weld Repair of SA-182 Type 316 Forgings, Section III, Division 1, Classes 1, 2, 3, and MC  
Weld Repair of SA-182 Type 316 Forgings, Section III, Division 1, Classes 1, 2, 3, and MC  
7/18/85 N-260-1 Weld Repair of SA-182 Type 316 Forgings, Section III, Division 1, Classes 1, 2, 3, and MC  
7/18/85 N-260-1 Weld Repair of SA-182 Type 316 Forgings, Section III, Division 1, Classes 1, 2, 3, and MC  
Type 308L welding materials should not be used to repair Grade F 316 N forgings because of the difference in strength levels.
12/05/85 Type 308 L welding materials should not be used to repair grade F 316 N forgings because of the difference in strength levels.


12/5/85 N-265 Modified SA-487 Castings, Section III, Division 1, Class 1  
N-265 Modified SA-487 Castings, Section III, Division 1, Class 1  
5/19/85 N-284-1 Metal Containment Shell Buckling Design Methods, Section III, Division 1, Class MC  
5/19/85 N-284-1 Metal Containment Shell Buckling Design Methods, Section III, Division 1, Class MC  
This Code Case is listed in RG 1.193.
10/02/00
This Code Case is listed in Regulatory Guide 1.193.


10/2/00
N-284-2 Metal Containment Shell Buckling Design Methods, Section III, Division 1, Class MC
N-284-2 N-284-3 Metal Containment Shell Buckling Design Methods, Class MC, TC, and SC
1/10/07 N-299 Use of Nickel-Chromium-Molybdenum-Columbium Alloy 625 Forgings, Section III, Division 1, Class 2 and Class 3 Components  
Construction, Section III, Divisions 1 and 3
7/18/85 N-304 N-304-1 N-304-2 N-304-3 Use of 20 Cr-25Ni-6Mo (Alloy UNS N08366) Welded Tubes for Section III, Division 1, Classes 2 and 3 Construction  
1/10/07  
12/17/12 N-299 Use of Nickel-Chromium-Molybdenum-Columbium Alloy 625 Forgings, Section III, Division 1, Class 2 and Class 3 Components  
7/18/85 N-304 N-304-1 N-304-2 N-304-3 Use of 20 Cr-25Ni-6Mo (Alloy UNS N08366) Welded Tubes for Section III,  
Division 1, Classes 2 and 3 Construction  
7/12/84  
7/12/84  
5/19/85  
5/19/85  
12/5/85  
12/05/85  
2/23/87 N-309 Identification of Materials for Component Supports, Section III, Division 1  
2/23/87 N-309 Identification of Materials for Component Supports, Section III, Division 1  
5/11/84 N-318 N-318-1 N-318-2 N-318-3 N-318-4 Procedure for Evaluation of the Design of Rectangular Cross Section Attachments on Class 2 or 3 Piping, Section III, Division 1 Applicants should identify the following in their safety analysis report:
5/11/84  
(1)
 
the method of lug attachment
RG 1.84, Page 43 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-318 N-318-1 N-318-2 N-318-3 N-318-4 Procedure for Evaluation of the Design of Rectangular Cross Section Attachments on Class 2 or 3 Piping, Section III, Division 1  
(2)
the piping system involved
(3)
the location in the system where the Code Case will be applied
2/20/84  
2/20/84  
7/12/84  
7/12/84  
9/5/85  
9/05/85  
12/11/89  
12/11/89  
4/28/94 N-319 N-319-1 N-319-2 Alternate Procedure for Evaluation of Stresses in Butt Weld Elbows in Class 1 Piping, Section III, Division 1  
4/28/94 Applicants should identify in their safety analysis report:
(1)
the method of lug attachment,
(2)
the piping system involved, and
(3)
the location in the system where the Code Case is to be applied.
 
N-319 N-319-1 N-319-2 Alternate Procedure for Evaluation of Stresses in Butt Weld Elbows in Class 1 Piping, Section III, Division 1  
7/24/89  
7/24/89  
8/14/90  
8/14/90  
1/17/00  
1/17/00  
N-321 Use of Modified SA-249, Type 304, Section III, Division 1, Class 1 Construction  
N-321 Use of Modified SA-249, Type 304, Section III, Division 1, Class 1 Construction  
12/5/85 N-337 Use of ASTM B 525-70 Grade II, Type II, Sintered Austenitic Stainless Steel for Class 2, 3, and MC Component Standard Supports, Section III, Division 1  
12/05/85 N-337 Use of ASTM B 525-70 Grade II, Type II, Sintered Austenitic Stainless Steel for Class 2, 3, and MC Component Standard Supports, Section III, Division 1  
7/18/85  
7/18/85 N-345 Attachment of AMS 5382 Alloy 31 Seat Rings by Friction Welding, Section III,    
 
RG 1.84, Rev. 38, Page 42
 
CODE CASE
NUMBER
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED 
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
N-345 Attachment of AMS 5382 Alloy 31 Seat Rings by Friction Welding, Section III,  
Division 1, Classes 1, 2, and 3  
Division 1, Classes 1, 2, and 3  
12/13/82 N-352 Use of SA-638 Grade 660 Forgings and Bars below 700°F without Stress Rupture Tests, Section III, Division 1  
12/13/82 N-352 Use of SA-638 Grade 660 Forgings and Bars Below 700F Without Stress Rupture Tests, Section III, Division 1  
7/18/85 N-362 Alternate Rules for Pressure Testing of Containment Items, Section III,  
7/18/85 N-362 Alternate Rules for Pressure Testing of Containment Items, Section III,  
Division 1  
Division 1  
Line 1,754: Line 1,552:
N-370-1 Modified SA-705 Grade XM-13 Forgings, Section III, Division 1  
N-370-1 Modified SA-705 Grade XM-13 Forgings, Section III, Division 1  
7/18/85  
7/18/85  
12/5/85 N-371  
12/05/85 N-371  
12Cr-1W-1Mo-1/4V Martensitic Stainless Steel Valve Internals, Section III,  
12Cr-1W-1Mo-1/4V Martensitic Stainless Steel Valve Internals, Section III, Division 1  
Division 1  
7/18/85 N-373-1 N-373-2 Alternative PWHT Time at Temperature for P-No. 5 Material, Section III, Division 1, Classes 1, 2, and 3  
7/18/85 N-373-1 N-373-2 Alternative PWHT Time at Temperature for P-No. 5 Material, Section III,  
9/07/01  
Division 1, Classes 1, 2, and 3  
11/02/04 N-379 Bimetallic Tubing Section III, Division 1, Class 1  
9/7/01  
7/18/85 N-383 Weld Repair of SA-182 Austenitic Forgings, Section III, Division 1, Classes 1, 2, and 3  
11/2/04 N-379 Bimetallic Tubing Section III, Division 1, Class 1  
7/18/85 Applicants who apply the provisions of the Code Case to permit material manufacturers to weld repair austenitic forgings without resolution heat treatment should provide justification to the NRC staff (via the safety analysis report) why this is acceptable for their applications, including their evaluation of the susceptibility for stress corrosion cracking.
7/18/85 N-383 Weld Repair of SA-182 Austenitic Forgings, Section III, Division 1, Classes 1, 2, and 3 Applicants who apply the provisions of the Code Case to permit material manufacturers to weld repair austenitic forgings without resolution heat treatment should justify to the NRC staff (through the safety analysis report) why this is acceptable for their applications, including their evaluation of the susceptibility for stress-corrosion cracking.


7/18/85 N-391 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Class 1 Piping, Section III, Division 1  
N-391 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Class 1 Piping, Section III, Division 1  
7/24/89 N-391-1 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Class 1 Piping, Section III, Division 1 The following typographical errors need to be corrected:  
7/24/89 N-391-1 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Class 1 Piping, Section III, Division 1  
8/24/95 The following typographical errors need to be corrected:  
(1)  
(1)  
In Equation 3, the + sign should be changed to an = sign.
In equation (3) the + sign should be changed to an = sign, and
(2)
In equation (4) the first + sign should be changed to an = sign.


(2)
N-392 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 1
In Equation 4, the first + sign should be changed to an = sign.
12/11/89


8/24/95 N-392 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 1  
RG 1.84, Page 44 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-392-1 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 1  
12/11/89 N-392-1 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 1 Applicants should identify the following in their safety analysis report:  
12/11/92 Applicants should identify in their safety analysis report:  
(1)  
(1)  
the method of lug attachment  
the method of lug attachment,
(2)  
(2)  
the piping system involved  
the piping system involved, and
(3)  
(3)  
the location in the system where the Code Case will be applied  
the location in the system where the Code Case is to be applied.
12/11/92 N-392-2 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 1 Applicants should identify in their safety analysis report:  
 
N-392-2 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 1  
12/12/94 Applicants should identify in their safety analysis report:  
(1)  
(1)  
the method of lug attachment  
the method of lug attachment,
(2)  
(2)  
the piping system involved  
the piping system involved, and
12/12/94
(3)
the location in the system where the Code Case is to be applied.


RG 1.84, Rev. 38, Page 43
N-411 Alternative Damping Values for Seismic Analysis of Classes 1, 2, and 3 Piping Sections, Section III, Division 1  
 
2/20/86
CODE CASE
NUMBER
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED 
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
(3)
the location in the system where the Code Case will be applied N-411 Alternative Damping Values for Seismic Analysis of Classes 1, 2, and 3 Piping Sections, Section III, Division 1  
(1)  
(1)  
The damping values specified may be used to analyze piping response for seismic and other dynamic loads that are being filtered through building structures provided that the response mode frequencies are limited to  
The damping values specified may be used in analyzing piping response for seismic and other dynamic loads being filtered through building structures provided response mode frequencies are limited to 33 Hz and below. Within this range, the Code Case damping should be used completely and consistently, if used at all. [For equipment other than piping, the damping values specified in Regulatory Guide 1.61 should be used.]
33 hertz and below. Within this range, the Code Case damping should be used completely and consistently, if it is used at all. (For equipment other than piping, the damping values specified in RG 1.61 (Ref. 10), should be used.)
(2)  
(2)  
The damping values specified may be used only in those analyses in which current seismic spectra and procedures have been employed. Such use should be limited only to response spectral analyses [similar to that used in the study supporting its acceptance, NUREG/CR-3526 (Ref. 11)]. The acceptance of the use with other types of dynamic analyses (e.g., time- history analysis) is pending further justification.
The damping values specified may be used only in those analyses in which current seismic spectra and procedures have been employed. Such use should be limited only to response spectral analyses [similar to that used in the study supporting its acceptance, NUREG/CR-3526]. The acceptance of the use with other types of dynamic analyses (e.g., time-history analysis) is pending further justification.


(3)  
(3)  
When used for reconciliation work or for support optimization of existing designs, the effects of increased motion on existing clearances and online mounted equipment should be checked.
When used for reconciliation work or for support optimization of existing designs, the effects of increased motion on existing clearances and on line mounted equipment should be checked.


(4)  
(4)  
This Code Case is not appropriate for analyzing the dynamic response of piping systems that use supports designed to dissipate energy by yielding (i.e., the design of which is covered by Code Case N-420).  
This Code Case is not appropriate for analyzing the dynamic response of piping systems using supports designed to dissipate energy by yielding (i.e., the design of which is covered by Code Case N-420).  
(5)  
(5)  
This Code Case does not apply to piping in which stress-corrosion cracking has occurred unless a case-specific evaluation is made and is reviewed by the NRC staff.
This Code Case is not applicable to piping in which stress corrosion cracking has occurred unless a case-specific evaluation is made and is reviewed by the NRC  
staff.


2/20/86 N-418 Use of Seamless Ni-Fe-Cr-Mo-Cu Low Carbon (UNS N08028 and UNS N08904)  
N-418 Use of Seamless Ni-Fe-Cr-Mo-Cu Low Carbon (UNS N08028 and UNS N08904)  
Tubing, Section III, Division 1, Classes 2 and 3  
Tubing, Section III, Division 1, Classes 2 and 3  
7/30/86 N-438 N-438-1 N-438-2 Fe-24.5Ni-21Cr-6.5 Mo-0.2N (Alloy UNS N08367) Seamless and Welded Pipe, Tube, Plate, Bar, Fittings, and Forgings, Class 2 and 3 Construction, Section III,  
7/30/86 N-438 N-438-1 N-438-2 Fe-24.5Ni-21Cr-6.5 Mo-0.2N (Alloy UNS N08367) Seamless and Welded Pipe, Tube, Plate, Bar, Fittings, and Forgings, Class 2 and 3 Construction, Section III, Division 1  
Division 1  
3/08/89 Reinstated on  
3/8/89 Reinstated on 5/24/96  
5/24/96  
7/27/92 N-438-3 UNS N08367 Material, Section III, Division 1, Class 2 and 3 Construction  
7/27/92 N-438-3 UNS N08367 Material, Section III, Division 1, Class 2 and 3 Construction  
5/24/96 N-439 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Forgings, Plate, Seamless and Welded Pipe, and Welded Tube, Class 2 and 3 Construction, Section III,  
5/24/96  
 
RG 1.84, Page 45 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-439 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Forgings, Plate, Seamless and Welded Pipe, and Welded Tube, Class 2 and 3 Construction, Section III,  
Division 1  
Division 1  
7/10/00  
7/10/00  
Line 1,825: Line 1,623:
7/10/00  
7/10/00  
N-443 N-443-1 High Yield Strength Cr-Mo Steel, Class 1 Components, Section III, Division 1  
N-443 N-443-1 High Yield Strength Cr-Mo Steel, Class 1 Components, Section III, Division 1  
3/8/89  
3/08/89  
11/11/99 N-453 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) Welded Pipe for Class 2 and 3 Construction, Section III, Division 1  
11/11/99 N-453 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) Welded Pipe for Class 2 and 3 Construction, Section III, Division 1  
11/30/88  
11/30/88 N-453-1 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) Seamless and Welded Pipe for Class 2 and 3 Construction, Section III, Division 1  
 
4/30/92 N-453-2 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925 and N08926)  
RG 1.84, Rev. 38, Page 44
Seamless and Welded Pipe for Class 2 and 3 Construction, Section III, Division 1  
 
CODE CASE
NUMBER
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED 
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
N-453-1 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) Seamless and Welded Pipe for Class 2 and 3 Construction, Section III, Division 1  
4/30/92 N-453-2 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925 and N08926) Seamless and Welded Pipe for Class 2 and 3 Construction, Section III,  
Division 1  
12/12/95 N-454 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) Wrought Fittings for Class 2 and 3 Construction, Section III, Division 1  
12/12/95 N-454 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) Wrought Fittings for Class 2 and 3 Construction, Section III, Division 1  
4/30/92 N-455 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) Forged Flanges and Fittings for Class 2 and 3 Construction, Section III, Division 1  
4/30/92 N-455 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) Forged Flanges and Fittings for Class 2 and 3 Construction, Section III, Division 1  
4/30/92 N-466 Modified 9Cr-1Mo Material, Section III, Division 1, Classes 1, 2, and 3  
4/30/92 N-466 Modified 9Cr-1Mo Material, Section III, Division 1, Classes 1, 2, and 3  
4/30/90  
4/30/90  
N-469 Martensitic Stainless Steel for Class 1, 2, and 3 Components, Section III,  
N-469 Martensitic Stainless Steel for Class 1, 2, and 3 Components, Section III, Division 1  
Division 1  
6/14/00  
6/14/00  
N-474 Design Stress Intensities and Yield Strength Values for Alloy 690 with a Minimum Yield Strength of 35 ksi, Class 1 Components, Section III, Division 1  
N-474 Design Stress Intensities and Yield Strength Values for Alloy 690 With a Minimum Yield Strength of 35 ksi, Class 1 Components, Section III, Division 1  
3/5/90  
3/05/90  
N-474-1 Design Stress Intensities and Yield Strength Values for UNS N06690 with a Minimum Specified Yield Strength of 35 ksi, Class 1 Components, Section III,  
N-474-1 Design Stress Intensities and Yield Strength Values for UNS N06690 With a Minimum Specified Yield Strength of 35 ksi, Class 1 Components, Section III, Division 1  
Division 1  
12/09/93 N-484 Real Time Radioscopic Examination of Welds, Section III, Division 1  
12/9/93 N-484 Real Time Radioscopic Examination of Welds, Section III, Division 1  
12/16/91 N-492 Grade 9 Titanium Alloy Tubing, Section III, Division 1, Class 1, 2, and 3  
12/16/91 N-492 Grade 9 Titanium Alloy Tubing, Section III, Division 1, Class 1, 2, and 3  
5/11/94 N-497 Use of Fe-Ni-Cr-Mo-N (C-N-3MN) Cast Materials, Section III, Division 1, Class 2 and 3 Construction  
5/11/94 N-497 Use of Fe-Ni-Cr-Mo-N (C-N-3MN) Cast Materials, Section III, Division 1, Class 2 and 3 Construction  
12/9/93 N-500  
12/09/93 N-500  


N-500-1 N-500-2 N-500-3 Alternative Rules for Standard Supports for Classes 1, 2, 3, and MC, Section III,  
N-500-1 N-500-2 N-500-3 Alternative Rules for Standard Supports for Classes 1, 2, 3, and MC, Section III,  
Division 1  
Division 1  
12/9/93  
12/09/93  


8/14/01  
8/14/01  
2/20/04  
2/20/04  
8/5/11 N-510  
8/05/11 N-510  
Borated Stainless Steel for Class CS Core Support Structures and Class 1 Components, Section III, Division 1  
Borated Stainless Steel for Class CS Core Support Structures and Class 1 Components, Section III, Division 1  
12/12/94 N-520
12/12/94  


N-520-1 N-520-2 N-520-3 N-520-4 N-520-5 Alternative Rules for Renewal of N-type Certificates for Plants Not in Active Construction, Section III, Division 1  
RG 1.84, Page 46 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-520
 
N-520-1 N-520-2 N-520-3 N-520-4 Alternative Rules for Renewal of N-type Certificates for Plants Not in Active Construction, Section III, Division 1  
10/26/94  
10/26/94  


5/9/03  
5/09/03  
11/1/07  
11/01/07  
11/10/09  
11/10/09  
3/13/12  
3/13/12 N-564 N-564-1 UNS J93380, Alloy CD3MWCuN, Class 2 and 3 Construction, Section III, Division 1  
5/18/2012 N-564 N-564-1 UNS J93380, Alloy CD3MWCuN, Class 2 and 3 Construction, Section III,  
Division 1  
7/30/98  
7/30/98  
12/31/96 N-570  
12/31/96 N-570  
 
N-570-1 Alternative Rules for Linear Piping and Linear Standard Supports for Classes 1, 2, 3, and MC, Section, III, Division 1  
Alternative Rules for Linear Piping and Linear Standard Supports for Classes 1,  
2, 3, and MC, Section, III, Division 1  
3/28/06  
3/28/06  
1/5/06 N-570-1 Alternative Rules for Linear Piping and Linear Standard Supports for Classes 1, 2,
1/05/06 N-580  
3, and MC, Section III, Division 1
N-580-1 Use of Alloy 600 With Columbium Added, Section III, Division 1  
1/5/06
 
RG 1.84, Rev. 38, Page 45
 
CODE CASE
NUMBER
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED 
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
The provisions of ANSI/AISC N690-1994 s2, Supplement No. 2 to the Specification for the Design, Fabrication, and Erection of Steel of Safety-Related Structures for Nuclear Facilities, must be met.
 
N-580  
N-580-1 Use of Alloy 600 with Columbium Added, Section III, Division 1  
5/26/97  
5/26/97  
5/20/98 N-594 Repairs to P-4 and P-5A Castings without Postweld Heat Treatment Class 1, 2, and 3 Construction, Section III, Division 1  
5/20/98 N-594 Repairs to P-4 and P-5A Castings Without Postweld Heat Treatment Class 1, 2, and 3 Construction, Section III, Division 1  
3/2/98 N-595-3 Requirements for Spent Fuel Storage Canisters, Section III, Division 1 The canisters must be made from austenitic stainless steel Type 304 or 316.
3/02/98 N-595-3 Requirements for Spent Fuel Storage Canisters, Section III, Division 1  
4/08/02 The canisters must be made from austenitic stainless steel Type 304 or 316.


4/8/02 N-621 Ni-Cr-Mo Alloy (UNS N06022) Welded Construction to 800°F, Section III,  
N-621 Ni-Cr-Mo Alloy (UNS N06022) Welded Construction to 800°F, Section III, Division 1  
Division 1  
11/02/04 N-625 Ni-Cr-Mo Alloy (UNS N06059) Welded Construction to 800°F, Section III, Division 1
11/2/04 N-625 Ni-Cr-Mo Alloy (UNS N06059) Welded Construction to 800°F, Section III,  
3/28/01 N-644 Weld Procedure Qualification for Procedures Exempt from PWHT in Class 1, 2, and 3 Construction, Section III, Division 1 Reinstated
2/14/03 N-655 Use of SA-738, Grade B, for Metal Containment Vessels, Class MC, Section III, 
Division 1  
Division 1  
3/28/01 N-635 Use of 22Cr-5Ni-3Mo-N (Alloy UNS S31803) Forgings, Plate, Bar, Welded and Seamless Pipe, and/or Tube, Fittings, and Fusion Welded Pipe with Addition of Filler Metal, Classes 2 and 3, Section III, Division 1
2/25/02 For metal containment vessels up to 1.75 inch thick:  
2/14/03 N-637 Use of 44Fe-25Ni-21Cr-Mo (Alloy UNS N08904) Plate, Bar, Fittings, Welded Pipe, and Welded Tube, Classes 2 and 3, Section III, Division 1
(1) Supplementary Requirement S17, Vacuum Carbon-Deoxidized Steel, of Material Specification SA-738 must be applied to the material, and
 
(2) Supplementary Requirement S20, Maximum Carbon Equivalent for Weldability, of Material Specification SA-738 must be applied to the material.
9/20/10
N-644 Weld Procedure Qualification for Procedures Exempt from PWHT in Class 1, 2, and 3 Construction, Section III, Division 1 Reinstated
2/14/03 N-655 Use of SA-738, Grade B, for Metal Containment Vessels, Class MC, Section III,
Division 1 For metal containment vessels up to 1.75 inches thick, the following requirements apply:  
(1)   Supplementary Requirement S17, Vacuum Carbon-Deoxidized Steel, of Material Specification SA-738 must be applied to the material.
 
(2)   Supplementary Requirement S20, Maximum Carbon Equivalent for Weldability, of Material Specification SA-738 must be applied to the material.


2/25/02 N-757 Alternative Rules for Acceptability for Class 2 and 3 Valves (DN 25) and Smaller with Welded and Nonwelded End Connections Other Than Flanges, Section III,  
N-757 Alternative Rules for Acceptability for Class 2 and 3 Valves (DN 25) and Smaller with Welded and Nonwelded End Connections Other than Flanges, Section III, Division 1  
Division 1  
1/21/07 N-759 N-759-1 Alternative Rules for Determining Allowable External Pressure and Comprehensive Stresses for Cylinders, Cones, Spheres, and Formed Heads, Class 1, 2, and 3, Section III, Division 1  
1/21/07 N-759 N-759-1 Alternative Rules for Determining Allowable External Pressure and Comprehensive Stresses for Cylinders, Cones, Spheres, and Formed Heads, Class 1, 2, and 3, Section III, Division 1  
10/4/06  
10/04/06  
10/19/07 N-760  
10/19/07 N-760  
N-760-1 Welding of Valve Plugs to Valve Stem Retainers, Classes 1, 2, and 3, Section III,  
N-760-1 Welding of Valve Plugs to Valve Stem Retainers, Classes 1, 2, and 3, Section III,  
Division 1  
Division 1  
3/27/07  
3/27/07  
2/12/08 N-801 Rules for Repair of N-Stamped Class 1, 2, and 3 Components Section III,
2/12/08  
Division 1
8/12/12 N-822 N-822-1 Application of the ASME Certification Mark Section III, Divisions 1, 2, 3, and 5
12/6/11
12/17/12
 
RG 1.84, Rev. 38, Page 46
 
CODE CASE
NUMBER
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED 
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
1332-6 Requirements for Steel Forgings, Section III, Division 1  
1332-6 Requirements for Steel Forgings, Section III, Division 1  
3/1/79  
3/01/79  
1335-9 Requirements for Bolting Materials  
1335-9 Requirements for Bolting Materials  
8/28/78  
8/28/78  
Line 1,945: Line 1,699:
5/15/78  
5/15/78  
1395-3 SA-508, Class 2 Forgings with Modified Manganese Content, Section III or Section VIII, Division 2  
1395-3 SA-508, Class 2 Forgings with Modified Manganese Content, Section III or Section VIII, Division 2  
1/8/79  
1/08/79  
1407-2 Time of Examination for Class 1, 2, and 3, Section III Vessels  
1407-2 Time of Examination for Class 1, 2, and 3, Section III Vessels  
7/1/74  
7/01/74  
 
RG 1.84, Page 47 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date
1414-3  
1414-3  
1414-4 High Yield Strength Cr-Mo Steel for Section III, Division 1, Class 1 Vessels Each referencing safety analysis report should provide the information required by Note 1 in the Code Case.
1414-4 High Yield Strength Cr-Mo Steel for Section III, Division 1, Class 1 Vessels  
3/1/76
8/9/77 The information required to be developed by Note 1 in the Code Case should be provided in each referencing safety analysis report.


3/1/76
8/9/77
1484-1 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600) at a Specified Minimum Yield Strength of 40.0 ksi, Section III, Class 1  
1484-1 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600) at a Specified Minimum Yield Strength of 40.0 ksi, Section III, Class 1  
11/4/74  
11/04/74  
1484-2 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at a Specified Minimum Yield Strength of 40.0 ksi, Section III, Class 1  
1484-2 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at a Specified Minimum Yield Strength of 40.0 ksi, Section III, Class 1  
8/13/76  
8/13/76  
1492 Post Weld Heat Treatment, Section I, III, and VIII, Division 1 and 2  
1492 Post Weld Heat Treatment, Section I, III and VIII, Division 1 and 2  
3/3/75  
3/03/75  
1508 Allowable Stresses, Design Intensity and/or Yield Strength Values, Section I, III,  
1508 Allowable Stresses, Design Intensity and/or Yield Strength Values, Section I, III, and VIII, Divisions 1 and 2  
and VIII, Divisions 1 and 2  
6/30/75  
6/30/75  
1516-1 Welding of Seats in Valves for Section III Applications  
1516-1 Welding of Seats in Valves for Section III Applications  
Line 1,969: Line 1,724:
Construction  
Construction  
9/30/76  
9/30/76  
1541-2 Hydrostatic Testing of Embedded Class 2 and Class 3 Piping for Section III,  
1541-2 Hydrostatic Testing of Embedded Class 2 and Class 3 Piping for Section III, Division 1 Construction  
Division 1 Construction  
5/15/78  
5/15/78  
1552 Design by Analysis of Section III, Class 1 Valves  
1552 Design by Analysis of Section III, Class 1 Valves  
8/29/77  
8/29/77  
1553 Upset Heading and Roll Threading of SA-453 for Bolting in Section III  
1553 Upset Heading and Roll Threading of SA-453 for Bolting in Section III  
3/3/75  
3/03/75  
1555 Certification of Safety Relief Valves on Liquids  
1555 Certification of Safety Relief Valves on Liquids  
1/14/77  
1/14/77  
1557-2 Steel Products Refined by Secondary Remelting  
1557-2 Steel Products Refined by Secondary Remelting  
1/8/79  
1/08/79  
1606 Stress Criteria for Section III, Class 2 and 3 Piping Subjected to Upset, Emergency, and Faulted Operating Conditions Code Case 1606 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions that apply to ASME Code Class 2 and 3 components for fluid systems. The design specifications should establish and justify these designations.
1606 Stress Criteria for Section III, Class 2 and 3 Piping Subjected to Upset, Emergency, and Faulted Operating Conditions  
 
12/16/74 Code Case 1606 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.
12/16/74  
1607 Stress Criteria for Section III, Classes 2 and 3 Vessels Subjected to Upset, Emergency, and Faulted Operating Conditions Code Case 1607 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions that apply to ASME Code Class 2 and 3 components for fluid systems. The design specifications should establish and
11/4/74


RG 1.84, Rev. 38, Page 47
1607 Stress Criteria for Section III, Classes 2 and 3 Vessels Subjected to Upset, Emergency, and Faulted Operating Conditions
 
11/04/74 Code Case 1607 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.
CODE CASE
NUMBER
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED  
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
justify these designations.


1618 Material for Core Support Structures, Section III, Subsection NG  
1618 Material for Core Support Structures, Section III, Subsection NG  
(1) Welding of age-hardenable Alloy SA-453 Grade 660 and SA-637 Grade 688 should be performed when the material is in a solution-treated condition.
3/03/75 (a)  
Welding of age-hardenable alloy SA-453 Grade 660 and SA-637 Grade 688 should be performed when the material is in the solution-treated condition.


(2) Use of alloy ASTM A-564 Grade 631 is not acceptable on a generic basis.
(b)  
Use of alloy ASTM A-564 Grade 631 is not acceptable on a generic basis.


3/3/75
RG 1.84, Page 48 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date
1618-1 Material for Core Support Structures, Section III, Subsection NG  
1618-1 Material for Core Support Structures, Section III, Subsection NG  
Welding of age-hardenable alloy SA-453 Grade 660 and SA-637 Grade 688 should be performed when the material is in a solution-treated condition.
3/01/76 Welding of age-hardenable alloy SA-453 Grade 660 and SA-637 Grade 688 should be performed when the material is in the solution-treated condition.


3/1/76
1626 Normalized and Tempered 1-1/4 Cr Low Alloy Steel Forgings, Section I, Section III, and Section VIII, Division 1 and 2  
1626 Normalized and Tempered 1-1/4 Cr Low Alloy Steel Forgings, Section I, Section III, and Section VIII, Division 1 and 2  
1/8/79  
1/08/79  
1634  
1634  
1634-1 Use of SB-359 for Section III, Class 3 Construction  
1634-1 Use of SB-359 for Section III, Class 3 Construction  
Line 2,014: Line 1,760:
1644-1  
1644-1  
1644-2  
1644-2  
1644-3 Additional Materials for Component Supports, Section III, Subsection NF,  
1644-3 Additional Materials for Component Supports, Section III, Subsection NF, Class 1, 2, 3, and MC Construction  
Class 1, 2, 3, and MC Construction The maximum measured UTS of the component support material should not exceed 170 ksi.
 
4/28/75  
4/28/75  
6/30/75  
6/30/75  
11/3/75  
11/03/75  
3/1/76  
3/01/76 The maximum measured ultimate tensile strength of the component support material should not exceed 170 ksi.
 
1644-4  
1644-4  
1644-5  
1644-5  
1644-6 Additional Materials for Component Supports and Alternate Design Requirements for Bolted Joints, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC  
1644-6 Additional Materials for Component Supports and Alternate Design Requirements for Bolted Joints, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC  
Construction The maximum measured UTS of the component support material should not exceed 170 ksi because of the susceptibility of high-strength materials to brittleness and stress-corrosion cracking. Certain applications may exist where a UTS value of up to 190-ksi could be considered acceptable for a material; under this condition, the design specification should specify impact testing for the material. For these cases, the applicant should demonstrate that
Construction  
(1) the impact test results for the material meet Code requirements and
(2) the material is not subject to stress-corrosion cracking because a corrosive environment is not present and because the component that contains the material has essentially no residual stresses or assembly stresses and it does not experience frequent sustained loads in service.
 
8/13/76  
8/13/76  
3/3/77  
3/03/77  
11/21/77  
11/21/77 The maximum measured ultimate tensile strength (UTS) of the component support material should not exceed 170 ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion cracking.  Certain applications may exist where a UTS value of up to 190 ksi could be considered acceptable for a material and, under this condition, the Design Specification should specify impact testing for the material.  For these cases, it should be demonstrated by the applicant that
1682 Alternate Rules for Material Manufacturers and Suppliers, Section III,  
(1)
Subarticle NA-3700  
the impact test results for the material meet code requirements, and
(2)
the material is not subject to stress corrosion cracking by virtue of the fact that (a) a corrosive environment is not present and (b)
the component that contains the material has essentially no residual stresses or assembly stresses, and it does not experience frequent sustained loads in service.
 
1682 Alternate Rules for Material Manufacturers and Suppliers, Section III, Subarticle NA-3700  
8/11/75  
8/11/75  
1683 Bolt Holes for Section III, Division 1, Class 1, 2, 3 and MC Component Supports  
1683 Bolt Holes for Section III, Division 1, Class 1, 2, 3 and MC Component Supports  
3/1/76  
3/01/76  
1689 Alternate PWHT Time and Temperature for SA-182 Grade F22, Section III,  
1689 Alternate PWHT Time and Temperature for SA-182 Grade F22, Section III, Class 1, 2,  
Class 1, 2, 3 and CS  
3 and CS  
The alternate PWHT should be prequalified along with the applicable welding procedure in accordance with Section IX.
9/10/76 The alternate postweld heat treatment should be prequalified along with the applicable welding procedure in accordance with ASME Section IX.


9/10/76
1695 Brazing, Section III, Class 3  
1695 Brazing, Section III, Class 3  
11/3/75  
11/03/75  
1701 Determination of Capacities of Vacuum Relief Valves, Section III, Class MC  
1701 Determination of Capacities of Vacuum Relief Valves, Section III, Class MC  
3/20/78  
3/20/78  
1702 Flanged Valves Larger than 24 Inches for Section III, Class 1, 2 and 3 Construction  
1702 Flanged Valves Larger than 24 inches for Section III, Class 1, 2 and 3 Construction  
7/11/77  
7/11/77  
1714 Postweld Heat Treatment of P-1 Material, Section III, Class MC  
1714 Postweld Heat Treatment of P-1 Material, Section III, Class MC  
7/11/77  
7/11/77  
1720
Weld End Preparation for Section III, Division Construction
3/01/76 Weld end preparations other than those shown in Figures 1, 2, and 3 of the Code Case are not acceptable on a generic basis.  Such alternative end preparations should be treated on a case-by-case basis.


RG 1.84, Rev. 38, Page 48
1720-1 Weld End Preparation for Section III, Division Construction  
 
11/20/78
CODE CASE
NUMBER
TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED 
BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION
DATE
1720
Weld End Preparation for Section III, Division Construction Weld end preparations other than those shown in Figures 1, 2, and 3 of the Code Case are not acceptable on a generic basis. Such alternative end preparations should be treated on a case-by-case basis.


3/1/76
RG 1.84, Page 49 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date The acceptance of weld end preparations other than those shown in Figures 1, 2, and 3 of the Code Case should be evaluated on a case-by-case basis.
1720-1 Weld End Preparation for Section III, Division Construction The acceptance of weld end preparations other than those shown in Figures 1, 2, and 3 of the Code Case should be evaluated on a case-by-case basis.


11/20/78
1722 Vacuum, Carbon Deoxidized SA-508 Forgings, Section III, Division 1, and VIII,  
1722 Vacuum, Carbon Deoxidized SA-508 Forgings, Section III, Division 1, and VIII,  
Division 1 and 2  
Division 1 and 2  
1/8/79  
1/08/79  
1741 Interim Rules for the Required Number of Impact Tests for Rolled Shapes, Section III, Division 1, Subsection NF, Component Supports  
1741 Interim Rules for the Required Number of Impact Tests for Rolled Shapes, Section III,  
Division 1, Subsection NF, Component Supports  
1/14/77  
1/14/77  
1755 Alternate Rules for Examination of Welds in Piping, Class 1 and 2 Construction, Section III, Division 1  
1755 Alternate Rules for Examination of Welds in Piping, Class 1 and 2 Construction, Section III, Division 1  
1/14/77  
1/14/77  
1759 Material for Internal Pressure Retaining Items for Pressure Relief Valves, Section III, Division 1, Class 1, 2, and 3 Applicants using this Code Case should also use Code Case 1711 for the design of pressure relief valves.
1759 Material for Internal Pressure Retaining Items for Pressure Relief Valves, Section III,  
Division 1, Class 1, 2, and 3  
5/15/78 Applicants using this Case should also use Code Case 1711 for the design of pressure relief valves.


5/15/78
1761 Use of SG-148 Alloy CA954 for Section III, Division 1, Class 2 or 3 Flanged End Valves  
1761 Use of SG-148 Alloy CA954 for Section III, Division 1, Class 2 or 3 Flanged End Valves  
1/14/77  
1/14/77  
Line 2,081: Line 1,823:
7/11/77  
7/11/77  
1780  
1780  
Hydrostatic Testing and Stamping of Pumps for Class 1 Construction, Section III, Division 1 Each licensing application in which the Code Case is to be used should present information that satisfactorily demonstrates that the subassembly tests adequately simulate the pressure loadings. In addition, the closure fixture for the test subassembly should adequately simulate the rigidity of adjacent subassemblies and also simulate the interface loadings from adjacent subassemblies that would result from a hydrostatic pressure test of a complete pump assembly.
Hydrostatic Testing and Stamping of Pumps for Class 1 Construction, Section III, Division 1  
 
3/10/78 Each licensing application in which the Code Case is to be used should present information that satisfactorily demonstrates that the subassembly tests adequately simulate the pressure loadings. Also, the closure fixture for the test subassembly should adequately simulate the rigidity of adjacent subassemblies and also simulate the interface loadings from adjacent subassemblies that would result from a hydrostatic pressure test of a complete pump assembly. As a minimum, the closure fixture should impose loads that result in stresses equal to or greater than those induced during the hydrostatic test of a complete pump assembly. It is not intended that piping reactor loadings be simulated in the hydrostatic testing
As a minimum, the closure fixture should impose loads that result in stresses equal to or greater than those induced during the hydrostatic test of a complete pump assembly. Hydrostatic testing should not simulate piping reactor loadings.
1783 Qualification of Nondestructive Personnel, Section III, Division 1  
 
1/14/77 The first sentence of paragraph (1) should be replaced with the following: The certification of the Level III nondestructive examination personnel for the purposes of this Section of the Code shall be the responsibility of the employer of the Level III  
3/10/78
individual. If the employer is not a Certificate Holder, then the verification of such certificate is the responsibility of the Certificate Holder.
1783 Qualification of Nondestructive Personnel, Section III, Division 1 The first sentence of Paragraph 1 of the Code Case should be replaced with the following: The certification of the Level III nondestructive examination personnel for the purposes of this Section of the Code shall be the responsibility of the employer of the Level III individual. If the employer is not a Certificate Holder, then the verification of such certificate is the responsibility of the Certificate Holder.
 
1/14/77


RG 1.84, Rev. 38, Page 49
RG 1.84, Page 50


==D. IMPLEMENTATION==
==D. IMPLEMENTATION==
The purpose of this section is to provide information to applicants and licensees regarding the NRC  
The purpose of this section is to provide information to applicants and licensees regarding the NRC  
staffs plans for using this regulatory guide.  The requirements addressing implementation of Section III  
staffs plans for using this regulatory guide.  The requirements addressing implementation of Section III  
Code Cases are contained in 10 CFR 50.55a(b)(4). No backfitting is intended or approved in connection with the issuance of this guide.
Code Cases are contained in 10 CFR 50.55a(b)(4). No backfit is intended or approved in connection with the issuance of this guide.
 
REGULATORY ANALYSIS


RG 1.84, Rev. 38, Page 50  
A separate regulatory analysis was not prepared for this regulatory guide. The regulatory analysis for this guide is the regulatory analysis prepared for the amendment to 10 CFR 50.55a, Codes and Standards. The amendment to 10 CFR 50.55a incorporates this regulatory guide by reference.


REFERENCES2
RG 1.84, Page 51 REFERENCES1


1.
1.


American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code, Section III,
Code of Federal Regulations, Title 10, Energy, Part 50, Domestic Licensing of Production and Utilization Facilities (10 CFR Part 50), U.S. Nuclear Regulatory Commission, Washington, DC.
Rules for Construction of Nuclear Power Plant Components, Division 1, New York, NY.3
 
2.
2.


Code of Federal Regulations (CFR), Domestic Licensing of Production and Utilization Facilities Part 50, Chapter 1, Title 10, Energy.
ASME Boiler and Pressure Vessel Code, Section III, Rules for Construction of Nuclear Power Plant Components, Division I, American Society of Mechanical Engineers, New York, NY.2


3.
3.


CFR, Licenses, Certifications, and Approvals for Nuclear Power Plants, Part 52, Chapter 1, Title 10, Energy.
Regulatory Guide 1.147, Inservice Inspection Code Case Acceptability, ASME Section XI,
Division 1, U.S. Nuclear Regulatory Commission, Washington, DC.


4.
4.


U.S. Nuclear Regulatory Commission (NRC) Regulatory Guide (RG) 1.147, Inservice Inspection Code Case Acceptability, ASME Section XI, Division 1, Washington, DC.
Regulatory Guide 1.192, Operation and Maintenance Code Case Acceptability, ASME OM Code, U.S. Nuclear Regulatory Commission, Washington, DC.


5.
5.


NRC, RG 1.192, Operation and Maintenance Code Case Acceptability, ASME OM Code, Washington, DC.
Regulatory Guide 1.193, ASME Code Cases Not Approved for Use, U.S. Nuclear Regulatory Commission, Washington, DC.


6.
6.


NRC, RG 1.193, ASME Code Cases Not Approved for Use, Washington, DC.
Paperwork Reduction Act of 1995 (Public Law 104-13), United States Code, Title 44, Public Printing and Documents, Chapter 35, Coordination of Federal Information Policy
(44 U.S.C. 3501 et seq.), 104th Congress of the United States of America, Washington, DC.3


7.
7.


American Society for Testing and Materials International (ASTM) A 262-70, Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels, West Conshohocken, PA.4  
ASTM A 262-70, Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels, American Society for Testing and Materials, West Conshohocken, PA.4  


8.
8.


ASTM A 708-74, Practice for Detection of Susceptibility to Intergranular Corrosion in Severely Sensitized Austenitic Stainless Steels, West Conshohocken, PA.
ASTM A 708-74, Practice for Detection of Susceptibility to Intergranular Corrosion in Severely Sensitized Austenitic Stainless Steels, American Society for Testing and Materials, West Conshohocken, PA.6


9.
9.


NRC, RG 1.122, Development of Floor Design Response Spectra for Seismic Design of Floor-Supported Equipment or Components, Washington, DC.
Regulatory Guide 1.122, Development of Floor Design Response Spectra for Seismic Design of Floor-Supported Equipment or Components, U.S. Nuclear Regulatory Commission, Washington, DC.


10. NRC, RG 1.61, Damping Values for Seismic Design of Nuclear Power Plants, Washington, DC.
1 Publicly available NRC published documents are available electronically through the NRC Library on the NRCs public Web site at: http://www.nrc.gov/reading-rm/doc-collections/.  The documents can also be viewed on-line or printed for a fee in the NRCs Public Document Room (PDR) at 11555 Rockville Pike, Rockville, MD; the mailing address is USNRC PDR, Washington, DC 20555; telephone 301-415-4737 or (800) 397-4209; fax (301) 415-3548; and e-mail pdr.resource@nrc.gov.


2 Publicly available NRC published documents are available electronically through the NRC Library on the NRCs public Web site at http://www.nrc.gov/reading-rm/doc-collections/ and through the NRCs Agencywide Documents Access and Management System (ADAMS) at http://www.nrc.gov/reading-rm/adams.html. The documents can also be viewed online or printed for a fee in the NRCs Public Document Room (PDR) at 11555 Rockville Pike, Rockville, MD. For problems with ADAMS, contact the PDR staff at (301) 415-4737 or (800) 397-4209; fax (301) 415-3548; or e-mail pdr.resource@nrc.gov.
2 Copies may be purchased from the American Society of Mechanical Engineers, Three Park Avenue, New York, NY
10016-5990; phone (212) 591-8500; fax (212) 591-8501; www.asme.org.


3 Copies of American Society of Mechanical Engineers (ASME) standards may be purchased from ASME at American Society of Mechanical Engineers, Two Park Avenue, New York, NY 10016-5990; telephone (800) 843-2763. Purchase information is available through the ASME Web site at http://www.asme.org/Codes/Publications/.
3 The Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.) is available electronically through the Federal Register Web site administered by the U.S. National Archives and Records Administration, at http://www.archives.gov/ federal- register/laws/paperwork-reduction/  
4 Copies of American Society for Testing and Materials International (ASTM) standards may be purchased from ASTM at American Society for Testing and Materials, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA
4 Copies of ASTM standards may be purchased from the American Society for Testing and Materials, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, Pennsylvania  19428-2959; phone (610) 832-9585. Purchase information is available through the ASTM Web site at http://www.astm.org.
19428-2959; telephone (610) 832-9585. Purchase information is available through the ASTM Web site at http://www.astm.org.


.  
RG 1.84, Page 52
10. Regulatory Guide 1.61, Damping Values for Seismic Design of Nuclear Power Plants, U.S.


RG 1.84, Rev. 38, Page 51
Nuclear Regulatory Commission, Washington, DC.


11. NUREG/CR-3526, Impact of Changes in Damping and Spectrum Peak Broadening on the Seismic Response of Piping Systems, Washington, DC, March 1984.
11. NUREG/CR-3526, Impact of Changes in Damping and Spectrum Peak Broadening on the Seismic Response of Piping Systems, U.S. Nuclear Regulatory Commission, Washington, DC.


12. NRC, RG 1.31, Control of Ferrite Content in Stainless Steel Weld Metal, Washington, DC.
12. Regulatory Guide 1.31, Control of Ferrite Content in Stainless Steel Weld Metal, U.S. Nuclear Regulatory Commission, Washington, DC.


13. NRC, RG 1.44, Control of the Use of Sensitized Stainless Steel, Washington, DC.
13. Regulatory Guide 1.44, Control of the Use of Sensitized Stainless Steel, U.S. Nuclear Regulatory Commission, Washington, DC.


14. NRC, RG 1.67, Installation of Over-Pressure Protection Devices, Washington, DC.
14. Regulatory Guide 1.67, Installation of Over-Pressure Protection Devices, U.S. Nuclear Regulatory Commission, Washington, DC.


15. NRC, NUREG-0800, Standard Review Plan for the Review of Safety Analysis Reports for Nuclear Power Plants: LWR Edition, Washington, DC.
15. NUREG-0800, Standard Review Plan for the Review of Safety Analysis Reports for Nuclear Power Plants (LWR Edition), Section 9.5.1, Fire Protection System, U.S. Nuclear Regulatory Commission, Washington, DC.


RG 1.84, Rev. 38, Appendix A, Page A-1
APPENDIX A  


APPENDIX A
SUPPLEMENTS ADDRESSED IN REVISION 37 OF REGULATORY GUIDE 1.84


SUPPLEMENTS ADDRESSED IN REVISION 38 OF REGULATORY GUIDE 1.84  
Appendix A to RG 1.84, Page A-1


EDITION
Edition Supplement Number BNCS1 Approval Date of Code Cases in Supplement2
SUPPLEMENT NUMBER
2007
BNCS1 APPROVAL DATE OF CODE CASES 
11 November 10, 2009
IN SUPPLEMENT2
2010  
2010  
11 December 17, 2012
2013
0  
0  
December 25, 2013
December 25, 2009
2013
2010
1 April 7, 2013
1 April 9, 2010
2013
2010
2 August 13, 2013
2 June 24, 2010
2013
2010
3 October 22, 2013
3 September 20, 2010
2013
2010
4 January 28, 2014
4 December 23, 2010
2013
2010
5 May 7, 2014
5 March 24, 2011
2013
2010
6 May 7, 2014
6 July 15, 2011
2013
2010
7 October 28, 2014
7 October 14, 2011
1 BNCS is the American Society of Mechanical Engineers (ASME) Board on Nuclear Codes and Standards.
2010
8 December 29, 2011
2010
9 April 4, 2012
2010
10
July 16, 2012
1 BNCS = ASME Board on Nuclear Codes and Standards  
2 Publication of supplements approximately 6 months after BNCS approval.


2 ASME published the supplements approximately 6 months after BNCS approval.
APPENDIX B  
 
RG 1.84, Rev. 38, Appendix B, Page B-1 APPENDIX B  


NUMERICAL LISTING OF SECTION III CODE CASES IN  
NUMERICAL LISTING OF SECTION III CODE CASES IN  
SUPPLEMENT 11 TO THE 2010 EDITION AND SUPPLEMENT 0  
SUPPLEMENT 11 TO THE 2007 EDITION AND  
THROUGH SUPPLEMENT 7 TO THE 2013 EDITION
SUPPLEMENTS 0 THROUGH 10 TO THE 2010 EDITION1


N-60-6 N-71-19 N-249-15 N-284-4 N-520-51 N-520-6 N-611 N-655-22 N-755-23 N-792-13 N-801-1 N-812-13 N-818-13 N-822-14 N-822-2 N-833 N-834 N-836 N-8373 N-841 N-844 N-8463
1 Except for Code Cases pertaining to: high temperature gas-cooled reactors; certain requirements in Section III, Division
2; Section III, Division 3; and liquid-metal.


______________________________
2 Code Case is not acceptable for use; see Regulatory Guide 1.193, Revision 5 (Ref. 5).
1 Code Case N-520-5 was superseded by Code Case N-520-6.
3 Code Case N-500-3 not approved as it was superseded by Code Case N-500-4.


2 Code Case N-655-2 was approved for use in RG 1.84, Revision 37, issued January 2018.
4 Code Case was approved for use in Revision 36 of Regulatory Guide 1.84.


3 Code Cases N-755-2, N-792-1, N-812-1, N-818-1, N-837, and N-846 are not acceptable for use (see RG 1.193, ASME Code Cases Not Approved for Use, Revision 6).
Appendix B to RG 1.84, Page B-1  
4 Code Case N-822-1 was superseded by Code Case N-822-2.


RG 1.84, Rev. 38, Appendix C, Page C-1  
N-201-62 N-284-3 N-500-33 N-500-4 N-520-3 N-520-4 N-520-5 N-594-1 N-637-1 N-655-2 N-755-12 N-7612 N-763 N-777 N-785 N-7912 N-7922 N-7932 N-7942 N-7962 N-8014 N-8024 N-8042 N-8072 N-811 N-8122 N-815 N-816 N-817 N-8182 N-819 N-8202 N-822 N-8282


APPENDIX C  
APPENDIX C  
Line 2,214: Line 1,961:
NUMERICAL LISTING OF SECTION III CODE CASES  
NUMERICAL LISTING OF SECTION III CODE CASES  
AND TABLE WHERE EACH CODE CASE IS LISTED  
AND TABLE WHERE EACH CODE CASE IS LISTED  
1 Except for Code Cases pertaining to: high temperature gas-cooled reactors; certain requirements in Section III, Division
2; Section III, Division 3; and liquid-metal.
2 Code Case is not acceptable for use; see Rev. 5 of Regulatory Guide 1.193 (Ref. 5).
Appendix C to RG 1.84, Page C-1


N-1-7 [T3]   
N-1-7 [T3]   
Line 2,225: Line 1,978:
N-6 [T3]  
N-6 [T3]  
N-7 [T5]  
N-7 [T5]  
N-7-1 [T3]  
N-7-1 [T1]  
N-9-4 [T3]  
N-9-4 [T3]  
N-10 [T3]  
N-10 [T3]  
Line 2,263: Line 2,016:
N-60-3 [T5]  
N-60-3 [T5]  
N-60-4 [T5]  
N-60-4 [T5]  
N-60-5 [T5]
N-60-5 [T2]  
N-60-6 [T1]  
N-61 [T3]  
N-61 [T3]  
N-62-2 [T5]  
N-62-2 [T5]  
Line 2,286: Line 2,038:
N-71-16 [T5]  
N-71-16 [T5]  
N-71-17 [T5]  
N-71-17 [T5]  
N-71-18 [T5]
N-71-18 [T2]  
N-71-19[T2]  
N-77 [T3]  
N-77 [T3]  
N-81 [T3]  
N-81 [T3]  
Line 2,318: Line 2,069:
N-121 [T3]  
N-121 [T3]  
N-122 [T5]  
N-122 [T5]  
N-122-2 [T3]  
N-122-2 [T1]  
N-123 [T3]  
N-123 [T3]  
N-124 [T3]  
N-124 [T3]  
Line 2,365: Line 2,116:
N-192-3 [T1]  
N-192-3 [T1]  
N-193 [T3]  
N-193 [T3]  
APPENDIX C
NUMERICAL LISTING OF SECTION III CODE CASES
AND TABLE WHERE EACH CODE CASE IS LISTED
Appendix C to RG 1.84, Page C-2
N-196 [T5]  
N-196 [T5]  
N-196-1 [T3]  
N-196-1 [T3]  
N-199 [T4]  
N-199 [T4]  
N-201-61 N-204 [T3]  
N-201-62 N-204 [T3]  
N-205 [T1]  
N-205 [T1]  
N-206 [T3]  
N-206 [T3]  
Line 2,386: Line 2,145:
N-224 [T5]  
N-224 [T5]  
N-224-1 [T3]  
N-224-1 [T3]  
1 This Code Case is not acceptable for use (see RG 1.193, ASME Code Cases Not Approved for Use, Revision 6). 
RG 1.84, Rev. 38, Appendix C, Page C-2
N-225 [T3]  
N-225 [T3]  
N-226 [T3]  
N-226 [T3]  
Line 2,427: Line 2,181:
N-249-12 [T5]  
N-249-12 [T5]  
N-249-13 [T5]  
N-249-13 [T5]  
N-249-14 [T5]
N-249-14 [T2]  
N-249-15 [T1]  
N-252 [T4]  
N-252 [T4]  
N-259 [T3]  
N-259 [T3]  
Line 2,450: Line 2,203:
N-281 [T3]  
N-281 [T3]  
N-282 [T3]  
N-282 [T3]  
N-284-1[T5]1 N-284-2 [T5]  
N-284-12 N-284-2 [T5]  
N-284-3 [T5]
N-284-3 [T1]  
N-284-4 [T1]  
N-292 [T4]  
N-292 [T4]  
N-294 [T3]  
N-294 [T3]  
Line 2,480: Line 2,232:
N-318-3 [T5]  
N-318-3 [T5]  
N-318-4 [T5]  
N-318-4 [T5]  
N-318-5 [T3]  
N-318-5 [T1]  
N-319 [T5]  
N-319 [T5]  
N-319-1 [T5]  
N-319-1 [T5]  
Line 2,538: Line 2,290:
N-384-1 [T3]  
N-384-1 [T3]  
N-387 [T3]  
N-387 [T3]  
APPENDIX C
NUMERICAL LISTING OF SECTION III CODE CASES
AND TABLE WHERE EACH CODE CASE IS LISTED
Appendix C to RG 1.84, Page C-3
N-388 [T3]  
N-388 [T3]  
N-391 [T5]  
N-391 [T5]  
N-391-1 [T5]  
N-391-1 [T5]  
N-391-2 [T3]  
N-391-2 [T1]  
N-392 [T5]  
N-392 [T5]  
N-392-1 [T5]  
N-392-1 [T5]  
N-392-2 [T5]  
N-392-2 [T5]  
N-392-3 [T3]  
N-392-3 [T1]  
N-393 [T3]  
N-393 [T3]  
N-394 [T3]  
N-394 [T3]  
Line 2,566: Line 2,326:
N-433 [T3]  
N-433 [T3]  
N-438 [T5]  
N-438 [T5]  
N-438-1[T5]  
N-438-1 [T1][T5]  
N-438-2 [T5]  
N-438-2 [T5]  
N-438-3 [T5]  
N-438-3 [T5]  
Line 2,593: Line 2,353:
N-459 [T3]  
N-459 [T3]  
N-462 [T3]  
N-462 [T3]  
RG 1.84, Rev. 38, Appendix C, Page C-3
N-464 [T3]  
N-464 [T3]  
N-466 [T5]  
N-466 [T5]  
Line 2,609: Line 2,366:
N-476 [T3]  
N-476 [T3]  
N-482 [T3]  
N-482 [T3]  
N-483-21 N-483-31 N-484 [T5]  
N-483-22 N-483-32 N-484 [T5]  
N-484-1 [T3]  
N-484-1 [T3]  
N-492 [T5]  
N-492 [T5]  
Line 2,625: Line 2,382:
N-505 [T1]  
N-505 [T1]  
N-507 [T3]  
N-507 [T3]  
N-510 [T5][T5]  
N-510 [T5]  
N-510-11 N-511 [T1]  
N-5102 N-510-12 N-511 [T1]  
N-5191 N-520 [T5]  
N-5192 [T3]
N-520 [T5]  
N-520-1 [T5]  
N-520-1 [T5]  
N-520-2 [T5]  
N-520-2 [T5]  
N-520-3 [T5]  
N-520-3 [T5]  
N-520-4 [T5]  
N-520-4 [T5]  
N-520-5 [T5]
N-520-5 [T1]  
N-520-6 [T1]  
N-525 [T1]  
N-525 [T1]  
N-5301 N-539 [T1]  
N-5302 N-539 [T1]  
N-540 [T3]  
N-540 [T3]  
N-548 [T1]  
N-548 [T1]  
Line 2,646: Line 2,403:
N-564-1 [T5]  
N-564-1 [T5]  
N-564-2 [T1]  
N-564-2 [T1]  
N-5651 N-570 [T5]  
N-5652 N-570 [T5]  
N-570-1 [T5]  
N-570-1 [T5]  
N-570-2 [T1]  
N-570-2 [T1]  
N-572 [T3]  
N-572 [T1]  
N-579 [T1]  
N-579 [T1]  
N-580 [T5]  
N-580 [T5]  
Line 2,656: Line 2,413:
N-594 [T5]  
N-594 [T5]  
N-594-1 [T1]  
N-594-1 [T1]  
N-5951 N-595-11 N-595-21 N-595-3 [T5]  
N-5952 N-595-12 N-595-22 N-595-3 [T5]  
N-595-4 [T4]  
N-595-4 [T4]  
N-596 [T3]  
N-596 [T3]  
Line 2,662: Line 2,419:
N-608 [T3]  
N-608 [T3]  
N-610 [T1]  
N-610 [T1]  
N-611 [T3]  
N-611 [T1]  
N-620 [T1]  
N-620 [T1]  
N-621 [T5]  
N-621 [T5]  
Line 2,679: Line 2,436:
N-644 [T5]  
N-644 [T5]  
N-644-1 [T1]  
N-644-1 [T1]  
N-6451 N-645-11 N-646 [T1]  
N-6452 N-645-12 N-646 [T1]  
N-650 [T1]  
N-650 [T1]  
N-655 [T5]  
N-655 [T5]  
N-655-1 [T5]  
N-655-1 [T5]  
N-655-2 [T1]  
N-655-2 [T1]  
N-656 [T4]  
N-656 [T2]  
N-657 [T1]  
N-657 [T1]  
N-6591 N-659-11 N-659-21 N-6731 N-692 [T1]  
N-6592 N-659-12 N-659-22 N-6732 N-692 [T1]  
N-6931 N-698 [T1]  
N-6932 N-698 [T1]  
N-699 [T1]  
N-699 [T1]  
N-703 [T1]  
N-703 [T1]  
N-7071 N-708 [T1]  
N-7072
 
APPENDIX C
 
NUMERICAL LISTING OF SECTION III CODE CASES
AND TABLE WHERE EACH CODE CASE IS LISTED
 
Appendix C to RG 1.84, Page C-4
 
N-708 [T1]  
N-710 [T1]  
N-710 [T1]  
N-7211 N-725 [T1]  
N-7212 N-725 [T1]  
N-727 [T1]  
N-727 [T1]  
N-7281 N-732 [T3]  
N-7282 N-732 [T3]  
N-736 [T1]  
N-736 [T1]  
N-738 [T1]  
N-738 [T1]  
Line 2,700: Line 2,466:
N-744 [T1]  
N-744 [T1]  
N-746 [T1]  
N-746 [T1]  
N-7551 N-755-11 N-755-21 N-756 [T1]  
N-7552 N-755-12 N-756 [T1]  
N-757 [T5]  
N-757 [T5]  
N-757-1 [T2]  
N-757-1 [T2]  
Line 2,709: Line 2,475:
N-760-1 [T5]  
N-760-1 [T5]  
N-760-2 [T1]  
N-760-2 [T1]  
N-7611 N-763[T1]  
N-7612 N-763[T1]  
N-767 [T1]  
N-767 [T1]  
N-774 [T1]  
N-774 [T1]  
Line 2,715: Line 2,481:
N-782 [T1]  
N-782 [T1]  
N-785 [T1]  
N-785 [T1]  
N-7911 N-7921 N-792-11 N-7931 N-7941 N-7961 N-801 [T5]
N-7912 N-7922 N-7932 N-7942 N-7962 N-801 [T1]  
N-801-1 [T1]  
N-802 [T1]  
N-802 [T3]  
N-8042 N-8072 N-811 [T1]  
N-8041 N-8071 N-811 [T1]  
N-8122 N-815 [T1]  
N-8121 N-812-11 N-815 [T1]  
N-816 [T1]  
N-816 [T1]  
N-817 [T1]  
N-817 [T1]  
N-8181 N-818-11 N-819 [T1]  
N-8182 N-819 [T1]  
N-8201 N-822 [T5]
N-820
N-822-1[T5]
N-822 [T1]  
N-822-2[T1]
N-8282
N-8281 N-833[T1]
N-834[T1]
N-836[T1]
N-8371 N-841[T1]
N-844[T1]  
N-8461
1141-7 [T3]  
1141-7 [T3]  
1332-6 [T5]  
1332-6 [T5]  
Line 2,761: Line 2,520:
1528-3 [T4]  
1528-3 [T4]  
1529 [T3]  
1529 [T3]  
RG 1.84, Rev. 38, Appendix C, Page C-4
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1531 [T3]  
1532 [T3]  
1532 [T3]  
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1713 [T3]  
1713 [T3]  
1714 [T5]  
1714 [T5]  
APPENDIX C
NUMERICAL LISTING OF SECTION III CODE CASES
AND TABLE WHERE EACH CODE CASE IS LISTED
Appendix C to RG 1.84, Page C-5
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Revision as of 19:04, 9 January 2025

7, Design, Fabrication, and Materials Code Case Acceptability ASME Section III
ML16321A335
Person / Time
Issue date: 03/31/2017
From: Giovanni Facco
Office of Nuclear Regulatory Research
To:
Giovanni Facco, 301-415-6337
References
NRC-2012-0059, RIN 3150-AJ13 RG-1.084, Rev 37
Download: ML16321A335 (59)
v • d • e


U.S. NUCLEAR REGULATORY COMMISSION

March 2017 OFFICE OF NUCLEAR REGULATORY RESEARCH

Revision 37 REGULATORY GUIDE

Technical Lead Giovanni Facco

Written suggestions regarding this guide or development of new guides may be submitted through the NRCs public Web site under the Regulatory Guides document collection of the NRC Library at http://www.nrc.gov/reading-rm/doc-collections/reg-guides/contactus.html.

Electronic copies of this regulatory guide, previous versions of this guide, and other recently issued guides are available through the NRCs public Web site under the Regulatory Guides document collection of the NRC Library at http://www.nrc.gov/reading-rm/doc-collections/.

The regulatory guide is also available through the NRCs Agencywide Documents Access and Management System (ADAMS) at http://www.nrc.gov/reading-rm/adams.html, under ADAMS Accession No. ML16321A335. The regulatory basis for this guide is the regulatory analysis prepared for the amendment to 10 CFR 50.55a (ADAMS Accession No. ML16285A013. The staff responses to the public comments on DG-1295 may be found under ADAMS Accession No. ML16285A012.

REGULATORY GUIDE 1.84 (Draft was issued as DG-1295, dated March 2016)

DESIGN, FABRICATION, AND MATERIALS CODE CASE

ACCEPTABILITY, ASME SECTION III

Purpose

This regulatory guide (RG) lists the American Society of Mechanical Engineers (ASME)

Section III Code Cases that the U.S. Nuclear Regulatory Commission (NRC) has approved for use as voluntary alternatives to the mandatory ASME Boiler and Pressure Vessel (BPV) Code provisions that are incorporated by reference into Title 10, Part 50, of the Code of Federal Regulations (10 CFR Part 50),

Domestic Licensing of Production and Utilization Facilities (Ref. 1).

Applicability

This RG applies to reactor licensees subject to 10 CFR Part 50, Section 50.55a, Codes and Standards.

Applicable Rules and Regulations

General Design Criterion (GDC) 1, Quality Standards and Records, of Appendix A, General Design Criteria for Nuclear Power Plants, to 10 CFR Part 50 requires, in part, that structures, systems, and components important to safety be designed, fabricated, erected, and tested to quality standards commensurate with the importance of the safety function to be performed.

Where generally recognized codes and standards are used, Criterion 1 requires that they be identified and evaluated to determine their applicability, adequacy, and sufficiency and be supplemented or modified as necessary to ensure a quality product in keeping with the required safety function.

Criterion 30, Quality of Reactor Coolant Pressure Boundary, of Appendix A to 10 CFR Part 50

requires, in part, that components that are part of the reactor coolant pressure boundary be designed, fabricated, erected, and tested to the highest practical quality standards.

RG 1.84, Page 2

Appendix B, Quality Assurance Criteria for Nuclear Power Plants and Fuel Processing Plants, to 10 CFR Part 50 requires, in part, that measures be established for the control of special processing of materials and that proper testing be performed.

The regulation in 10 CFR 50.55a(c), Reactor Coolant Pressure Boundary, requires, in part, that components of the reactor coolant pressure boundary must be designed, fabricated, erected, and tested in accordance with the requirements for Class 1 components of Section III, Rules for Construction of Nuclear Power Plant Components (Ref. 2), of the ASME BPV Code or equivalent quality standards.

Related Guidance

Regulatory Guide 1.147, Inservice Inspection Code Case Acceptability, ASME Section XI,

Division 1 (Ref. 3), lists the ASME Section XI Code Cases that the NRC has approved for use as voluntary alternatives to the mandatory ASME BPV Code provisions that are incorporated into

10 CFR 50.55a.

Regulatory Guide 1.192, Operation and Maintenance Code Case Acceptability, ASME OM

Code (Ref. 4), lists the ASME Operation and Maintenance Code (OM Code) Code Cases that the NRC has approved for use as voluntary alternatives to the mandatory ASME OM Code provisions that are incorporated into 10 CFR 50.55a.

Regulatory Guide 1.193, ASME Code Cases Not Approved for Use (Ref. 5), lists the ASME

Section III and Section XI Code Cases that the NRC has not approved for generic use.

Purpose of This Regulatory Guide

The NRC will amend 10 CFR 50.55a to incorporate by reference the new Code Cases and revisions to existing Code Cases listed as approved in Tables 1 and 2 of this guide, and to state the requirements governing the use of Code Cases. Code Cases approved by the NRC may be used voluntarily by licensees as an alternative to compliance with ASME Code provisions that have been incorporated by reference into 10 CFR 50.55a. Because of continuing change in the status of Code Cases, the staff plans periodic updates to 10 CFR 50.55a and this guide to accommodate new Code Cases and any revisions of existing Code Cases.

Paperwork Reduction Act

This RG contains and references information collections covered by 10 CFR Part 50 that are subject to the Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.). These information collections were approved by the Office of Management and Budget (OMB), control number 3150-0011.

Public Protection Notification

The NRC may not conduct or sponsor, and a person is not required to respond to, a request for information or an information collection requirement unless the requesting document displays a currently valid OMB control number.

RG 1.84, Page 3

B. DISCUSSION

Reason for Revision

This revision (Revision 37) of RG 1.84 includes new information reviewed by the NRC of Section III Code Cases listed in Supplement 11 to the 2007 Edition and Supplements 0 through 10 to the

2010 Edition. This is an update to RG 1.84, Revision 36, which included information from Supplements

1 through 10 to the 2007 Edition.

Background

Provisions of the ASME BPV Code have been used since 1971 as one part of the framework to establish the necessary design, fabrication, construction, testing, and performance requirements for structures, systems, and components important to safety. Among other things, ASME standards committees develop improved methods for the construction and inservice inspection (ISI) of ASME Class

1, 2, 3, MC (metal containment), and CC (concrete containment) nuclear power plant components. A

broad spectrum of stakeholders participates in the ASME process, which helps to ensure that the various interests are considered.

The ASME publishes a new edition of the BPV Code, which includesSection III, every 2 years.

The latest edition of Section III that the NRC has approved for use are referenced in 10 CFR

50.55a(a)(1)(i). The ASME also publishes Code Cases quarterly. Code Cases provide alternatives developed and approved by ASME. This regulatory guide identifies the Code Cases that have been determined by the NRC to be acceptable alternatives to applicable parts of Section III. Section III Code Cases not yet endorsed by the NRC may be used by a licensee or applicant through 10 CFR 50.55a(z).

That section permits the use of alternatives to the Code requirements referenced in 10 CFR 50.55a provided that the proposed alternatives result in an acceptable level of quality and safety, and that their use is authorized by the Director of the Office of Nuclear Reactor Regulation, or Office of New Reactors, as applicable.

The ASME Code is incorporated by reference into 10 CFR 50.55a. Code Cases approved by the NRC provide an acceptable voluntary alternative to the mandatory ASME Code provisions.

Requirements related to Code Case implementation are provided in 10 CFR 50.55a(b). When a licensee initially applies a Code Case listed in Tables 1 or 2 of this guide, the licensee must implement the most recent version of that Code Case incorporated by reference in 10 CFR 50.55a.

Code Cases may be annulled because the provisions have been incorporated into the Code, the application for which it was specifically developed no longer exists, or experience has shown that the design analysis or construction method is no longer required. After the ASME annuls a Code Case and the NRC amends 10 CFR 50.55a and this guide, applicants or licensees may not implement that Code Case for the first time. However, a licensee or an applicant who implemented the Code Case prior to annulment may continue to use that Code Case until the licensee voluntarily updates itsSection III Code of record. If a Code Case is incorporated by reference into 10 CFR 50.55a and later annulled by the ASME because experience has shown that the design analysis or construction method is no longer required, the NRC will amend 10 CFR 50.55a and this guide to remove the approval of the annulled Code Case. Licensees or applicants should not begin to implement such annulled Code Cases in advance of the rulemaking. Notwithstanding these requirements, the Commission may impose new or revised Code

RG 1.84, Page 4 requirements, including implementation schedules, which it determines are consistent with the Backfit Rule (10 CFR 50.109).

A Code Case may be revised, for example, to incorporate user experience. The older or superseded version of the Code Case cannot be applied by the licensee or applicant for the first time. If an applicant or a licensee applied a Code Case listed in Tables 1 or 2 of this guide before it was listed as superseded, the applicant or the licensee may continue to use the Code Case until the applicant or the licensee updates its construction Code of Record (in the case of an applicant, updates its application). If a Code Case is incorporated by reference into 10 CFR Part 50.55a and later a revised version is issued by the ASME because experience has shown that the design analysis, construction method, examination method, or testing method is inadequate; the NRC will amend 10 CFR Part 50.55a and the relevant RG to remove the approval of the superseded Code Case. Applicants and licensees should not begin to implement such superseded Code Cases in advance of the rulemaking.

With regard to the use of any Code Case, it is the responsibility of the user to make certain that the provisions of the Code Case do not conflict with licensee commitments or regulatory requirements.

RG 1.84, Page 5 C. STAFF REGULATORY GUIDANCE

For Revision 37 of Regulatory Guide 1.84, the NRC reviewed the Section III Code Cases listed in Supplement 11 to the 2007 Edition and Supplements 0 through 10 to the 2010 Edition of the ASME BPV

Code1. Appendix A to this guide lists the supplements reviewed, the edition, the supplement number, and the date on which the supplement was approved by the ASME Board on Nuclear Codes and Standards.

Appendix B is a list of the Section III Code Cases published by the ASME in the eleven supplements.

Finally, Appendix C is a current list of all Section III Code Cases. The Code Cases addressed by this regulatory guide are listed in five tables:

(1)

Table 1, Acceptable Section III Code Cases, contains the Code Cases that are acceptable to the NRC for application in the design and construction of light-water-cooled nuclear power plants.

(2)

Table 2, Conditionally Acceptable Section III Code Cases, contains Code Cases that are acceptable provided that they are used with the identified conditions (i.e., the Code Case is generally acceptable but the NRC has determined that requirements in the Code Case, which are alternatives to the BPV Code, must be supplemented in order to provide an acceptable level of quality and safety).

(3)

Table 3, Annulled Unconditionally Approved Section III Code Cases, contains the Code Cases that have been annulled by the ASME.

(4)

Table 4, Annulled Conditionally Acceptable Section III Code Cases, contains the Code Cases that the NRC determined to be acceptable, provided that they were used with the identified conditions, but were subsequently annulled by the ASME.

(5)

Table 5,Section III Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974, lists Code Cases that have been superseded through revision.

1.

Acceptable Code Cases

The Code Cases listed in Table 1 below are acceptable to the NRC for application in the design and construction of components and their supports for water-cooled nuclear power plants. Code Cases are published quarterly in supplements to each edition. For Code Cases previously listed in this guide, the third column of Table 1 lists the date of ASME approval. For new or revised Code Cases, the third column of Table 1 lists the supplement and edition in which each Code Case was published (e.g., 5/10E

means Code Case Supplement 5 to the 2010 Edition).

1 Except for Code Cases pertaining to high-temperature gas-cooled reactors; certain requirements in Section III, Division 2, not endorsed by the NRC;Section III, Division 2; and liquid metal.

RG 1.84, Page 6 Table 1. Acceptable Section III Code Cases

Code Case Number Table 1 Acceptable Section III Code Cases Date or Supplement/

Edition N-4-13 Special Type 403 Modified Forgings or Bars,Section III, Division 1, Class 1 and CS

2/12/08 N-131-1

(1759-1)

Material for Internal Pressure Retaining Items for Pressure Relief Valves,Section III, Division 1, Class 1, 2, and 3

2/03/03 N-133-3 Use of SB-148 Alloys 952 and 954,Section III, Division 1, Class 3

2/03/03 N-154-1 Projection Resistance Welding of Valve Seats,Section III, Division 1, Classes 1, 2, and 3

2/03/03 N-171 Postweld Heat Treatment of P-No. 1 Material,Section III, Division 2

4/30/93 N-192-3 Use of Braided Flexible Connectors,Section III, Division 1, Class 2 and 3

7/23/02 N-205 Use of Ductile Iron SA-395,Section III, Division 1, Class 3

2/25/02 N-213 Welded Radial Shear Bar Assemblies,Section III, Division 2

2/25/02 N-284-3 Metal Containment Shell Buckling Design Methods, Class MC, TC, and SC

Construction,Section III, Divisions 1 and 3 Note: Code Case N-284-2 was unconditionally approved in Revision 36 of RG 1.84.

7/10E

N-315 Repair of Bellows,Section III, Division 1

2/03/03 N-319-3 Alternate Procedure for Evaluation of Stresses in Butt Welding Elbows in Class 1 Piping,Section III, Division 1

2/03/03 N-351 Use of Subsize Charpy V-Notch Specimens,Section III, Division 1

1/17/00

N-369 Resistance Welding of Bellows,Section III, Division 1

5/09/03 N-373-3 Alternative PWHT Time at Temperature for P-No. 5A or P-No. 5B Group 1 Material, Classes 1, 2, and 3

10/08/04 N-405-1 Socket Welds,Section III, Division 1

2/20/04 N-438-1 UNS N08367,Section III, Division 1, Class 2 and 3 Construction

5/24/96 N-452 Specialized Subcontracted Welding Process (Electron Beam Welding),

Section III, Division 1

5/09/03 N-453-3 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) for Class 2 and 3 Construction,Section III, Division 1

8/14/01 N-454-1 Nickel-Chromium-Molybdenum-Copper Stainless Steels (UNS N08925 and N08926) Wrought Fittings for Class 2 and 3 Construction,Section III,

Division 1

6/17/03 N-455-1 Nickel-Chromium-Molybdenum-Copper Stainless Steels (UNS N08925 and N08926) Forged Flanges and Fittings for Class 2 and 3,Section III,

Division 1

6/17/03 N-469-1 Martensitic Stainless Steel for Class 1, 2, and 3 Components,Section III,

Division 1

2/03/03

RG 1.84, Page 7 Code Case Number Table 1 Acceptable Section III Code Cases Date or Supplement/

Edition N-493 Alternative Radiographic Acceptance Criteria for Vessels Used as Shipping Casks,Section III, Division 1, Class 1

7/23/02 N-500-4 Alternative Rules for Standard Supports for Classes 1, 2, 3 and MC,

Section III, Division 1 Note 1: Code Case N-500-2 was unconditionally approved in Revision 36 of RG 1.84.

Note 2: Code Case N-500-3 was published in Supplement 11 to the 2007 Edition. Thus, the latest version (i.e., N-500-4) is listed in the table.

8/10E

N-505 Alternative Rules for the Examination of Butt Welds Used as Closure Welds for Electrical Penetration Assemblies in Containment Structures,Section III,

Division 1

5/04/04 N-511 Design Temperature for Atmospheric and 0-15 psi Storage Tanks,Section III,

Division 1

5/04/04 N-520-5 Alternative Rules for Renewal of Active or Expired N-type Certificates for Plants Not in Active Construction,Section III, Division 1 Note: Code Case N-520-2 was conditionally approved in Revision 36 of RG 1.84.

10/10E

N-525 Design Stress Intensities and Yield Strength Values for UNS N06690 With a Minimum Specified Yield Strength of 30 ksi, Class 1 Components,Section III,

Division 1

7/23/02 N-539 UNS N08367 in Class 2 and 3 Valves,Section III, Division 1

2/20/04 N-548 Air Cooling of SA-182 Grades F304, F304L, F316, F316L Forgings Instead of Liquid Quenching After Solution Heat Treatment, Class 1, 2, and 3,Section III,

Division 1

9/07/01 N-558 Stamping of Class 2 Vessels Fabricated to Subsection NB,Section III,

Division 1

2/25/02 N-564-2 UNS J93380, Alloy CD3MWCuN, Class 2 and 3 Construction,Section III,

Division 1

2/03/03 N-570-2 Alternative Rules for Linear Piping and Linear Standard Supports for Classes

1, 2, 3, and MC,Section III, Division 1

9/09/08 N-579 Use of Nonstandard Nuts, Class 1, 2, and 3, MC, CS Components and Supports Construction,Section III, Division 1

2/03/03 N-580-2 Use of Alloy 600 With Columbium Added,Section III, Division 1

1/04/08 N-594-1 Repairs to P-4 and P-5A Castings Without Postweld Heat Treatment Class 1, 2, and 3 Construction,Section III, Division 1 Note: Code Case N-594 was unconditionally approved in Revision 36 of RG 1.84.

8/10E

N-607 Guidance on Implementation of NS Certificate of Accreditation,Section III,

Division 1

5/04/04 N-610

Alternative Reference Stress Intensity Factor (K1R) Curve for Class Components,Section III, Division 1

5/04/04

RG 1.84, Page 8 Code Case Number Table 1 Acceptable Section III Code Cases Date or Supplement/

Edition N-611 Use of Stress Limits as an Alternate to Pressure Limits Subsection NC/ND-3500,Section III, Division 1

2/20/04 N-620

Rules for Class 1 Type M Pumps,Section III, Division 1

5/04/04 N-621-1 Ni-Cr-Mo Alloy (UNS N06022) Welded Construction to 800F,Section III,

Division 1

10/08/04 N-625-1 Ni-Cr-Mo Alloy (UNS N06059) Welded Construction to 800F,Section III,

Division 1

2/20/04 N-631 Use of Fracture Toughness Test Data to Establish Reference Temperature for Pressure Retaining Materials Other Than Bolting for Class 1 Vessels,Section III, Division 1

7/23/02 N-632 Use of ASTM A 572, Grades 50 and 65 for Structural Attachments to Class CC

Containment Liners,Section III, Division 2

2/03/03 N-635-1 Use of 22Cr-5Ni-3Mo-N (Alloy UNS S31803) Forgings, Plate, Bar, Welded and Seamless Pipe, and/or Tube, Fittings, and Fusion Welded Pipe With Addition of Filler Metal, Classes 2 and 3,Section III, Division 1

2/14/03 N-636 Use of 18Cr-13Ni-3Mo (Alloy UNS S31703), 19Cr-15Ni-4Mo (Alloy UNS

S31725), and 18.5Cr-15.5Ni-4.5Mo-N (Alloy UNS S31726) Forgings, Seamless Tubing, Plate, Welded Tubing, Welded and Seamless Pipe, Welded Pipe With Addition of Filler Metal and Fittings, Classes 2 and 3,Section III, Division 1

7/23/02 N-637-1 Use of 44Fe-25Ni-21Cr-Mo (Alloy UNS N08904) Plate, Bar, Fittings, Welded Pipe, and Welded Tube, Classes 2 and 3,Section III, Division 1 Note: Code Case N-637 was conditionally approved in Revision 35 of RG 1.84.

3/10E

N-642 Alternative Rules for Progressive Liquid Penetrant Examination of Groove Welds In P-No. 8 Materials 3/16 in. (5 mm) Thick and Less Made by Autogenous Machine or Automatic Welding,Section III, Division 1

2/03/03 N-644-1 Weld Procedure Qualification for Procedures Exempt From PWHT

in Classes 1, 2, and 3 Construction,Section III, Division 1

3/28/01 N-646 Alternative Stress Intensification Factors for Circumferential Fillet Welded or Socket Welded Joints for Class 2 or 3 Piping,Section III, Division 1

2/20/04 N-650

Use of SA-537, Class 2 Plate Material in Non-pressure Boundary Application Service 700F to 850F, Class 1 or CS,Section III, Division 1

2/20/04 N-655-2 Use of SA-738, Grade B, for Metal Containment Vessels, Class MC,Section III,

Division 1 Note: Code Case N-655-1 was unconditionally approved in Revision 36 of RG 1.84.

4/10E

N-657 Use of the N-1A Data Report for Spent Fuel Canisters,Section III, Division 1

2/25/02 N-692 Use of Standard Welding Procedures,Section III, Divisions 1 and 2

6/17/03 N-698 Design Stress Intensities and Yield Strength for UNS N06690 With a Minimum Specified Yield Strength of 35 ksi (240 Mpa), Class 1 Components,Section III,

Division 1

11/18/03

RG 1.84, Page 9 Code Case Number Table 1 Acceptable Section III Code Cases Date or Supplement/

Edition N-699 Use of Titanium Grade 2 (UNS R50400) Tube and Bar, and Grade 1 (UNS R50250) Plate and Sheet for Class 1 Construction,Section III, Division 1

1/05/06 N-703 Use of Strain Hardened Austenitic Material at Lower Design Stress Values for Class 1 Valves,Section III, Division 1

5/04/04 N-708

Use of JIS G-4303, Grades SUS304, SUS304L, SUS316, and SUS316L,

Section III, Division 1

9/21/07 N-710

Use of Zirconium Alloy UNS R60702, Bars, Forgings, Plate, Seamless and Welded Fittings, Seamless and Welding Tubing, and Seamless and Welded Pipe, for Class 3 Construction,Section III, Division 1

5/04/04 N-725 Design Stress Values for UNS N06690 With Minimum Specified Yield Strength of 35 ksi (240 Mpa), Classes 2 and 3 Components,Section III, Division 1

1/12/05 N-727 Dissimilar Welding Using Continuous Drive Friction Welding for Reactor Vessel CRDM/CEDM Nozzle to Flange/Adapter Welds, Classes 1,Section III,

Division 1

2/24/06 N-736 Use UNS S32050 Welded and Seamless Pipe and Tubing, Forgings, and Plates Conforming to SA-249/SA-249M, SA-479/SA-479M, and SA-240/SA-240M, and Grade CK35MN Castings Conforming to ASTM A 743-03 for Construction of Class 1, 2, and 3 Components,Section III, Division 1

1/05/06 N-738 NDE of Full Penetration Butt Welds in Class 2 Supports,Section III,

Division 1

7/01/05 N-741 Use of 22Cr-5Ni-3Mo-N (Alloy UNS S32205 Austenitic/ferritic Duplex Stainless Steel) Forging, Plate, Welded and Seamless Pipe Tubing, and Fittings to SA-240, SA-0789, A 790-04a, SA-815, Classes 2 and 3,Section III,

Division 1

10/11/05 N-744 Use of Metric Units Boiler and Pressure Vessel Code,Section III, Divisions 1 and 3, and Section V and IX

10/11/05 N-746 Use of 46Fe-24Ni-21Cr-6Mo-Cu-N (UNS N08367) Bolting Materials for Class 2 and 3 Components,Section III, Division 1

1/05/06 N-756 Alternative Rules for Acceptability for Class 1 Valves, NPS (DN 25) and Smaller with Nonwelded End connections Other than flanges,Section III,

Division 1

1/21/07 N-759-2 Alternative Rules for Determining Allowable External Pressure and Comprehensive Stress for Cylinders, Cones, Spheres, and Formed Heads,Section III, Division 1

1/04/08 N-760-2 Welding of Valve Plugs to Valve Stem Retainers, Classes 1, 2, and 3,Section III, Division 1

10/10/08 N-763 ASTM A 709-06, Grade HPS 70W (HPS 485W) Plate Material Without Postweld Heat Treatment as Containment Liner Material or Structural Attachments to the Containment Liner,Section III, Division 2

2/10E

RG 1.84, Page 10

Code Case Number Table 1 Acceptable Section III Code Cases Date or Supplement/

Edition N-767 Use of 21 Cr-6Ni-9Mn (Alloy UNS S21904) Grade GXM-11 (Conforming to SA-182/SA-182M and SA-336/SA-336M), Grade TPXM-11 (Conforming to SA-312/SA-312M) and Type XM-11 (Conforming to SA-666) Material, for Class 1 Construction,Section III, Division 1

1/04/08 N-774 Use of 13Cr-4Ni (Alloy UNS S41500) Grade F6NM Forgings Weighing in Excess of 10,000 lb (4 540 kg) and Otherwise conforming to the Requirements of SA-336/SA-336M for Class 1, 2, and 3 Construction,Section III, Division 1

9/03/08 N-777 Calibration of Cv Impact Test Machines,Section III, Divisions 1, 2, and 3

4/10E

N-782 Use of Editions, Addenda, and Cases,Section III, Division 1

1/30/09 N-785 Use of SA-479/SA-479M, UNS S41500 for Class 1 Welded Construction,Section III, Division 1

11/07E

N-801 Rules for Repair of N-Stamped Class 1, 2, and 3 Components by Organization Other Than the N Certificate Holder That Originally Stamped the Component Being Repaired,Section III, Division 1

12/23/10

N-802 Rules for Repair of Stamped Components by the N Certificate Holder That Originally Stamped the Component,Section III, Division 1

12/23/10

N-811 Alternative Qualification Requirements for Concrete Level III Inspection Personnel,Section III, Division 2

7/10E

N-815 Use of SA-358/SA-358M Grades Fabricated as Class 3 or Class 4 Welded Pipe, Class CS Core Support Construction,Section III, Division 1

8/10E

N-816 Use of Temper Bead Weld Repair Rules Adopted in 2010 Edition and Earlier Editions,Section III, Division 1

8/10E

N-817 Use of Die Forgings, SB-247, UNS A96061, Class T6, With Thickness

4.000 in. Material, Class 2 Construction (1992 Edition or Later)Section III,

Division 1

8/10E

N-819 Use of Die Forgings, SB-247, UNS A96061, Class T6, With Thickness

4.000 in. Material, Class 2 Construction (1989 Edition with the 1991 Addenda or Earlier),Section III, Division 1

8/10E

N-822

Application of the ASME Certification Mark,Section III, Divisions 1, 2, 3, and 5

8/10E

RG 1.84, Page 11

2.

Conditionally Acceptable Section III Code Cases

The Code Cases listed in Table 2 below are acceptable to the NRC for application in the design and construction of components and their supports for water-cooled nuclear power plants within the limitations indicated by the NRC. Unless otherwise stated, limitations indicated by the NRC are in addition to the conditions specified in the Code Case. Code Cases are published quarterly in supplements to each edition. For Code Cases previously listed in this guide, the third column of Table 1 lists the date of ASME approval. For new or revised Code Cases, the third column of Table 1 lists the supplement and edition in which each Code Case was published (e.g., 5/10E means Code Case Supplement 5 to the 2010

Edition).

Table 2. Conditionally Acceptable Section III Code Cases

Code Case Number Table 2 Conditionally Acceptable Section III Code Cases Date or Supplement/

Edition Title/Condition N-60-5 Material for Core Support Structures,Section III, Division , Class 1

2/20/04 The maximum yield strength of strain-hardened austenitic stainless steel shall not exceed 90,000 psi in view of the susceptibility of this material to environmental cracking.

N-62-7 Internal and External Valve Items,Section III, Division 1, Classes 1, 2, and 3

2/03/03 The Code requires that Class 1 and Class 2 valve manufacturers meet the provisions of NCA-4000, Quality Assurance. Class 3 valve manufacturers must also meet the provisions of NCA-4000 because all Code Class valve items are subject to the licensees 10 CFR Part 50, Appendix B approved QA program.

N-71-18 Additional Materials for Subsection NF, Class 1, 2, 3, and MC Component Supports Fabricated by Welding,Section III, Division 1

5/09/03

(1)

The maximum measured ultimate tensile strength (UTS) of the component support material must not exceed 170 Ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion cracking.

(2)

Certain applications may exist where a UTS value of up to 190 Ksi could be considered acceptable for a material and, under this condition, the Design Specification must specify impact testing for the material. For these cases, it must be demonstrated by the applicant that:

the impact test results for the material meet Code requirements, (a)

the impact test results for the material meet Code requirements, (b)

the material is not subject to stress corrosion cracking by virtue of the fact that:

(i)

a corrosive environment is not present, and (ii)

the component that contains the material has essentially no residual stresses or assembly stresses, and

RG 1.84, Page 12 Code Case Number Table 2 Conditionally Acceptable Section III Code Cases Date or Supplement/

Edition Title/Condition N-71-18 (contd)

Additional Materials for Subsection NF, Class 1, 2, 3, and MC Component Supports Fabricated by Welding,Section III, Division 1

5/09/03 (iii) it does not experience frequent sustained loads in service.

(3)

In the last sentence of paragraph 5.3, reference must be made to paragraph

5.3.2.3, Alternative Atmosphere Exposure Time Periods Established by Tests, of the AWS D1.1 Code for the evidence presented to and accepted by the Authorized Inspector concerning exposure of electrodes for longer periods of time.

(4)

Paragraph 15.2.2 is not acceptable as written and must be replaced with the following: When not exempted by 15.2.1 above, the postweld heat treatment must be performed in accordance with NF-4622 except that ASTM A-710 Grade A Material must be at least 1000°F (540°C) and must not exceed 1150°F (620°C) for Class 1 and Class 2 material and 1175°F

(640°C) for Class 3 material.

(5)

The new holding time at temperature for weld thickness (nominal) must be

30 minutes for 2 inch or less, 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> per inch for thickness over 2 inch to 5 inches, and for thicknesses over 5 inches, 5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> plus 15 minutes for each additional inch over 5 inches.

(6)

The fracture toughness requirements as listed in this Code Case apply only to piping supports and not to Class 1, Class 2, and Class 3 component supports.

N-155-2 Fiberglass Reinforced Thermosetting Resin Pipe,Section III, Division 1

2/03/03

(1)

The design temperature for spray pond piping must be 100°C (212°F).

(2)

The allowable design stress must be the value obtained from the minimum hydrostatic design basis (HDB) in Table 3611-1 of Code Case N-155-2 (Procedure A or B) or the value determined as one-sixth of the stress obtained from a short-time burst test for the pipe being qualified, whichever is lower. The short-time burst strength must be determined by bursting the pipe (ASTM D-1599-74) using free-end mounting after it has been exposed to 105 pressure cycles from atmospheric to design pressure.

(3)

The value of K in equation 9 of paragraph 3652 must be limited to 1.2 unless it can be demonstrated that with the use of a large value of K1 the functional capability of the system will not be impaired during upset and emergency conditions.

(4)

RTR piping must be uninsulated or uncovered and installed under conditions that make it readily accessible for inspection.

(5)

Preoperational and inservice inspections must be as follows:

(a)

During the preoperational testing period, tests must be made to verify that the piping is free of vibration induced by weather conditions or water flow that could fatigue the piping prematurely;

(b)

Fiberglass-reinforced piping components must be inspected in accordance with ASME Code,Section XI, for Code Class 3 components. In addition, all pipe supports must be inspected;

(c)

Inspection frequency for piping must be increased to once annually if an exterior weather-resistant coating is not provided.

RG 1.84, Page 13 Code Case Number Table 2 Conditionally Acceptable Section III Code Cases Date or Supplement/

Edition Title/Condition N-249-14 Additional Materials for Subsection NF, Class 1, 2, 3, and MC Component Supports Fabricated Without Welding,Section III, Division 1

2/20/04

(1)

The fracture toughness requirements apply only to piping supports and not to Class 1, Class 2, and Class 3 component supports.

(2)

The following is to be added to paragraph (e) of the Code Case:

(a)

For these cases, it must be demonstrated by the Owner that: (i) the impact test results for the material meet Code requirements, and (ii) the material is not subject to stress corrosion cracking by virtue of the fact that: a corrosive environment is not present; the component that contains the material has essentially no residual stresses or assembly stresses; and it does not experience frequent sustained loads in service.

N-570-1 Alternative Rules for Linear Piping and Linear Standard Supports for Classes 1,

2, 3, and MC,Section III, Division 1

1/05/06 The provisions of ANSI/AISC N690-1994 s2, Supplement No. 2 to the Specification for the Design, Fabrication, and Erection of Steel of Safety-Related Structures for Nuclear Facilities, must be met.

N-626 Use of Plastic Analysis for the Design of Type B Containment Components for Nuclear Material Transportation Casks,Section III, Division 3

7/23/02

(1)

For the acceptability of a design by analysis, Paragraph WB-3211, Requirements for Acceptability, of Section III, Division 3, Subsection WB, Class TP (Type B) Containment, Subparagraphs (a) through (d)

must be applied.

(2)

There is a typographical error in the title of Paragraph (a)(2) of the Code Case. Paragraph WB-3277 does not exist. Paragraph WB-3227, Applications of Inelastic Analysis Procedures, of Section III, Division 3, Subsection WB, Class TP (Type B) Containment, is to be used.

(3)

The first paragraph of WB-3324, Design for Local Puncture Associated with a Hypothetical Accident Condition, of Section III, Division 3, Subsection WB, Class TP (Type B) Containment, must be applied. The second paragraph of WB-3324 may be applied. In lieu of the third paragraph of WB-3324, the following may be applied: In lieu of the application of the equation for outer shell thickness (treq) the response of the containment boundary to puncture test loadings may be evaluated using plastic analysis according to the rules in Appendix F, Rules for Evaluation of Service Loadings with Level D Service Limits.

RG 1.84, Page 14 Code Case Number Table 2 Conditionally Acceptable Section III Code Cases Date or Supplement/

Edition Title/Condition N-757-1 Alternative Rules for Acceptability for Class 2 and 3 Valves (DN 25) and Smaller with Welded and Nonwelded End Connections Other than Flanges,Section III,

Division 1

9/21/07 The design provisions of ASME Section III, Division 1, Appendix XIII, shall not be used for Class 3 valves.

RG 1.84, Page 15

3.

Annulled Unconditionally Approved Section III Code Cases

The Code Cases listed in Table 3 were previously unconditionally approved by the NRC and have been annulled by the ASME.

Table 3. Annulled Unconditionally Approved Section III Code Cases

Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-1-7

(1332-7)

Requirements for Steel Forgings,Section III, Division 1

7/01/82 N-2

(1334-3)

Requirements for Corrosion-Resisting Steel Bars and Shapes,Section III

1/01/82 N-3-10

(1335-10)

Requirements for Bolting Materials,Section III

9/16/84 N-5-1 Nickel Chromium Age Hardenable Alloys (Alloy X750),Section III,

Division 1, Classes 1, 2, 3, MC, and CS

12/13/85 N-6

(1345-2)

Requirements for Nickel-Molybdenum-Chromium-Iron Alloys,Section III

3/01/79 N-7-1

High Yield Strength Steel, Class 1,Section II, Division 1

2/22/05 N-9-4

(1395-4)

SA-508, Class 2 Forgings with Modified Manganese Content,Section III

7/01/82 N-10

(1407-3)

Time of Examination for Classes, 1, 2, and 3,Section III Vessels

9/17/87 N-15

(1456-2)

Substitution of Ultrasonic Examination for Progressive Penetrant or Magnetic Particle Examination of Partial Penetration and Oblique Nozzle Attachment Welds,Section III

3/01/79 N-17

(1474-1)

Integrally Finned Tubes for Section III

1/21/91 N-20-4 SB-163, Cold Worked UNS N08800; and SB-163 UNS N06600,

UNS N06690, and UNS N08800 to Supplementary Requirements S2 of SB-163,Section III, Division 1, Class 1

9/18/01 N-22

(1498-1)

SA-508-Class 2 and 3, Minimum Tempering Temperature,Section III

7/01/82 N-24

(1516-2)

Welding of Seats or Minor Internal Permanent Attachments in Valves for Section III Applications

1/01/80

N-30-1

(1539-1)

Metal Bellows and Metal Diaphragm Stem Sealed Valves,Section III,

Division 1, Classes 1, 2, and 3

1/01/81 N-32-3

(1541-3)

Hydrostatic Testing of Embedded Class 2 and Class 3 Piping for Section III, Division 1 Construction

7/01/79 N-33

(1542-1)

Type 403 Forgings or Bars for Bolting Material,Section III

1/21/85

RG 1.84, Page 16 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-35-1

(1552-1)

Design by Analysis of Section III, Class 1 Valves

7/01/79 N-37-3

(1557-3)

Steel Products Refined by Secondary Remelting,Section III and VIII,

Division 1 and 2

7/01/82 N-41

(1571)

Additional Material for SA-234 Carbon Steel Fittings,Section III

1/21/85 N-43

(1578)

SB-167 Nickel-Chromium-Iron (Alloy 600) Pipe or Tube,Section III

7/01/82 N-46

(1588)

Electro-Etching of Section III Code Symbols

3/19/82 N-48-2 Fabrication and Installation of Elevated Temperature Components,Section III, Division 1

7/01/96 N-49-4 Examination of Elevated Temperature Nuclear Components,Section III,

Class 1

7/01/96 N-50-1 Testing of Elevated Temperature Components,Section III, Division 1, Class 1

7/01/96 N-51-2 Protection Against Overpressure of Elevated Temperature Components,Section III, Division 1, Class 1

7/01/96 N-55-1

(1609)

Inertia and Continuous Drive Friction Welding,Section III, Division 1

4/05/87 N-56

(1612)

Use of Type 308 Stainless Steel Rod and Bar for Section III, Class 1, 2, 3, and CS Construction

7/01/78 N-61

(1620)

Stress Category for Partial Penetration Welded Penetrations,Section III,

Class Construction

1/08/82 N-65-1

(1626-1)

Normalized and Tempered 1-1/4 Cr Low Alloy Steel Forgings,Section I and III

1/21/85 N-66-1

(1630-1)

External Pressure Charts for High Yield Strength Carbon Steels and Low Alloy Steels (Yield Strength above 38 Ksi to 60 Ksi Inclusive) For Section III, Class 1, 2, 3, and MC

12/05/87 N-68

(1634-2)

Use of SB-359 for Section III, Division, 1, Class 3 Construction

7/01/78 N-77

(1660)

Overpressure Protection Under Emergency Operating Conditions for Section III, Class 1

7/01/77 N-81

(1665)

Pressure-Temperature Ratings for Class 1 Valves Made from 5 Cr-1/2 Mo,Section III

7/01/78 N-82

(1677)

Clarification of Flange Design Loads,Section III, Class 1, 2, and 3

3/01/79 N-84

(1681-1)

Organizations Accepting Overall Responsibility for Section III

Construction

3/01/79

RG 1.84, Page 17 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-90

(1692)

Rules for Design of Welded Class 1 Pumps

7/01/78 N-94

(1700)

Determination of Capacities of Liquid Relief Valves,Section III, Division

1, Class 1, 2, and 3

3/19/82 N-95-2

(1701-2)

Determination of Capacities of Vacuum Relief Valves,Section III,

Division 1, Classes 2, 3, and MC and Division 2 Concrete Containments

7/09/82 N-96-1

(1702-1)

Flanged Valves Larger than 24 inches for Section III, Division 1, Class 1,

2, and 3 Construction

1/01/80

N-101

(1712)

Nameplates and Stamping for Section III, Division 1, Class 1, 2, 3 and MC Construction as Referenced in NA-8300

3/01/79 N-102-2 Postweld Heat Treatment of P-1 Material,Section III, Class MC

6/30/84 N-107-1

(1722-1)

Vacuum, Carbon Deoxidized SA-508 Forgings,Section III, Division 1

1/08/82 N-108

(1724)

Deviation from the Specified Silicon Ranges in ASME Material Specifications,Section III, Division 1, and VIII, Division 1 and 2

7/01/78 N-109

(1726)

Refinement of Low Alloy Steel Heat Affected Zone Under Overlay Cladding,Section III, Division 1, Class 1 Components

3/01/79 N-111

(1729)

Minimum Edge Distance-Bolting for Section III, Division 1, Class 1, 2, and 3 and MC Construction of Component Supports

3/01/79 N-114

(1732)

Hardsurfaced Valves with Inlet Connections less than 2-in. Nominal Pipe Size for Section III, Division 1, Class 1 and 2 Construction

1/01/79 N-115

(1733)

Evaluation of Safe Shut Down Earthquake Loadings for Section III,

Division 1, Class MC Containment Vessels

1/01/78 N-119-6 Pump Internal Items,Section III, Division 1, Class 1, 2, and 3

3/14/94 N-121

(1744)

Carbon Steel Pipe Flanges Larger than 24 in.,Section III, Division 1, Class 2 and 3 Construction

3/01/79 N-122-2 Procedure for Evaluation of the Design of Rectangular Cross Section Attachments on Class 1 Piping,Section III, Division 1

8/20/09 N-123

(1746)

Leak Testing of Seal Welds,Section III, Division 1, Class 1, 2, and 3 Construction

3/01/79 N-124

(1747)

Requirements for Martensitic Stainless Forgings with 13% Chromium and 4% Nickel,Section III, Division 1

7/13/87 N-125

(1748)

Low Carbon Austenitic Stainless Steel Pipe Welded With Filler Metal,Section III, Division 1, Construction

7/01/78 N-126

(1754)

Hard Surfacing by the Spray-Fuse Method,Section III, Class 1, 2, and 3 Construction

7/01/88 N-127

(1755-1)

Alternative Rules for Examination of Welds in Piping,Section III, Class 1 and 2 Construction

2/20/92 N-139 Testing of Electroslag Wire and Flux for Class 1, 2, 3, MC, and CS Construction,Section III, Division 1

1/01/79

RG 1.84, Page 18 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-140

(1772)

Use of SA-453 Bolts in Service Below 800F Without Stress Rupture Tests,Section III, Division 1

12/31/85 N-142-1

(1774-1)

Minimum Wall Thickness for Class 2 and 3 Valves,Section III, Division 1

1/01/80

N-147

(1781)

Use of Modified SA-487 Grade CA6NM,Section III, Division 1, Class 1, 2, 3, MC or CS

7/01/78 N-148

(1782)

Use of Copper-Nickel Alloy 962 for Castings,Section III, Division 1, Class 3 Construction

6/30/83 N-156

(1793)

Structural Steel Rolled Shapes,Section III, Division I, Class 2, 3, and MC

2/14/86 N-157

(1794)

Use of Seamless Al-Br, Alloy CDA 614 Pipe,Section III, Division 1, Class

3

1/07/83 N-158

(1795)

Examination of Weld Repairs in Forgings,Section III, Division 1, Class 1, 2, 3, MC and CS

7/01/78 N-159

(1796)

Body Neck Thickness Determination for Valves with Inlet Connections

4-Inch Nominal Pipe Size and Smaller,Section III, Division 1, Class 1, 2, and 3

7/01/78 N-160-1 Finned Tubing for Construction,Section III, Division 1

10/14/11 N-174

(1812)

Size of Fillet Welds for Socket Welding of Piping,Section III, Division 1

1/01/81 N-176-1

(1819-1)

Use of Type XM-19 for Construction,Section III, Division 1, Class 1, 2, and 3

8/25/83 N-177

(1820)

Alternative Ultrasonic Examination Technique,Section III, Division 1

1/01/84 N-178 Use of ASTM B271, CDA 954, Alloy 9C for Class 3 Construction,Section III, Division 1

1/01/80

N-179 Openings in Valves for Section III, Division 1, Class 1, 2 and 3 Construction

7/11/80

N-180

Examination of Springs for Class 1 Component Standards Supports,Section III, Division 1

7/01/78 N-181 Steel Castings Refined by the Argon Decarburization Process,Section III,

Division 1, Construction

7/11/80

N-182 Alternate Rules for Procedure Qualification Base Material Orientation,Section III, Division 1, Class 2 and 3 Construction

7/01/81 N-183 Use of Modified SA-182 Grade F22 for Section III, Division 1, Class 1, 2 and 3 Construction

1/01/80

N-184 Roll Threading of SA-453 Bolting for Section III, Division 1, Class 1, 2, 3, or CS Construction

7/01/79 N-188-1 Use of Welded Ni-Fe-Cr-Mo-Cu (Alloy 825) and Ni-Cr-Mo-Cb (Alloy 625) Tubing,Section III, Division 1, Class 2 and 3

8/14/96

RG 1.84, Page 19 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-189 Primary Membrane Plus Primary Bending Stress Intensity Limits for Other Than Solid Rectangular Sections for Section III, Division 1, Class MC Construction

7/01/79 N-190

Use of SA-455 for Class 3 Components,Section III, Division 1

7/01/78 N-193 Use of SB-61 and SB-62 Bronze for Section III, Division 1, Class 3 Flange and Socket Weld End Valves

11/21/80

N-196-1 Exemption from the Shakedown Requirements When Plastic Analysis Is Performed for Section III, Division 1, Class 1 and CS Construction

7/01/92 N-204 Use of Modified SA-508, Class 3, and SA-541, Class 3 for Section III,

Division 1, Class 1, 2, and 3 Components

1/01/81 N-206 Use of ASTM B151-75 Copper-Nickel Alloy 706 Rod and Bar for Section III, Division 1, Class 3 Construction

6/30/83 N-207-1 Use of Modified SA-479 Type XM-19 for Section III, Division 1, Class 1,

2, 3, or CS Construction

1/21/85 N-212

(1693)

Welding Procedure Qualification of Dissimilar Metal Welds When AButtering@ with Alloy Weld Metal and Heat Treatment May Be Involved,Section III, Division 1, and Section IX.

1/01/81 N-214-2 Use of SA-351 Grade CN7M, for Valves,Section III, Division 1

12/31/83 N-215 Integrally Finned Titanium Tubes,Section III, Division 1, Class 3 Construction

5/15/81 N-217-1 Postweld Heat Treatment of Weld Deposit Cladding on Classes 1, 2, 3, MC, and CS Items,Section III, Division 1

2/23/87 N-220

Code Effective Date for Component Supports,Section III, Division 1

7/13/81 N-223 Requirements for Stainless Steel Precipitation Hardening,Section III,

Division 1, Class MC

11/20/81 N-224-1 Use of ASTM A500 Grade B and ASTM A501 Structural Tubing for Welded Attachments for Section III, Class 2, 3, and MC

4/05/90

N-225 Certification and Identification of Material for Component Supports,Section III, Division 1

1/01/81 N-226 Temporary Attachment of Thermocouples,Section III, Division 1, Class 1, 2 and 3 Component Supports

1/01/80

N-227 Examination of Repair Welds,Section III, Class 2 and 3 Tanks

7/09/82 N-228 Alternate Rules for Sequence of Completion of Code Data Report Forms and Stamping for Section III, Class 1, 2, 3 and MC Construction

3/19/82 N-229 Alternate Rules for Fabrication Welding SB-148 Alloy CDA 954 for Section III, Division 1, Class 3 Construction

1/21/88 N-231 Alternate Methods for Leak Detection in the Attachment Welds of Leak Chase Channels,Section III, Division 2, Class CC

7/01/92 N-233 Alternate Rules for PWHT of P-No. 6, Group 4 Material for Section III,

Division 1, Class 3 Construction

9/17/87

RG 1.84, Page 20

Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-237-2 Hydrostatic Testing of Internal Piping,Section III, Division 1, Classes 2 and 3

7/01/88 N-240

Hydrostatic Testing of Open Ended Piping,Section III, Division 1

7/01/97 N-241 Hydrostatic Testing of Piping,Section III, Division 1

7/01/97 N-243 Boundaries Within Castings Used for Core Support Structures,Section III, Division 1, Class CS

10/14/11 N-245 Use of ASTM B61-76 and B62-76 Copper Alloy Castings for Section III,

Division 1, Class 3 Construction

7/17/85 N-246-2 SB-169 Alloy C61400,Section III, Division 1, Class 3 Construction

7/27/95 N-247 Certified Design Report Summary for Component Standard Supports,Section III, Division 1, Class 1, 2, 3 and MC

4/30/93 N-248 Alternative Reference Radiographs,Section III, Division 1, Classes 1, 2,

3, MC, and CS Construction

7/01/80

N-259 Ni-Cu-Al Bolting Material SB 164 Modified,Section III, Division 1, Class

3

1/01/84 N-261 Weld Procedure Qualification for Materials with Impact Requirements for Section III, Division 1, Class 3 Construction

12/13/82 N-262 Electric Resistance Spot Welding for Structural Use in Component Supports,Section III, Division 1

7/27/91 N-265-1 Modified SA-487 Castings,Section III, Division 1, Class 1

8/14/97 N-267 Double-Wall Radiography,Section III, Division 1, Class 1 and 2

7/01/81 N-271 Simplified Method for Analyzing Flat Face Flanges with Metal to Metal Contact Outside the Bolt Circle for Section III, Class 2, 3, and MC

Construction

2/14/86 N-272 Compiling Data Report Forms,Section III, Division 1

1/01/82 N-276 Welding of SA-358 Pipe,Section III, Division 1

2/14/86 N-277 Use of Type XM-19 Austenitic Stainless Steel for Section III, Division 1 Class MC Construction

9/17/80

N-280

Alternate Rules for Examination of Welds in Section III, Class 3 Storage Tanks

7/01/81 N-281 Welding Operator Performance Qualification,Section III, Division 1

7/01/81 N-282 Nameplates for Valves,Section III, Division 1, Class 1, 2, and 3 Construction

7/30/89 N-294 SB-148 Alloys 952 and 954, and SB-62 Alloy 836 Fittings,Section III,

Division 1, Class 2

7/27/95 N-295 NCA-1140, Materials,Section III, Division 1

6/30/82 N-296 Welding Material,Section III, Division 1 Construction

12/01/83 N-298 Examination of Component Supports,Section III, Division 1, Class 1, 2,

3, and MC

12/01/83

RG 1.84, Page 21 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-299-1 Use of Nickel-Chromium-Molybdenum-Columbium Alloy 625 Forgings,Section III, Division 1, Class 2 and Class 3 Components

2/23/87 N-300

Pressure-Temperature Ratings, Hydrostatic Tests, and Minimum Wall Thickness of Valves,Section III, Division 1, Class 1

12/01/83 N-302 Tack Welding,Section III, Division 1, Construction

11/28/83 N-304-4 Use of 20Cr-25Ni-6Mo (Alloy UNS N08366) Plate, Sheet, Strip, and Welded Pipe, Class 2 and 3,Section III, Division 1

1/01/03 N-309-1 Identification of Materials for Component Supports,Section III, Division

1

7/01/95 N-313 Alternative Rules for Half-Coupling Branch Connections,Section III,

Division 1, Class 2

7/01/96 N-316 Alternative Rules for Fillet Weld Dimensions for Socket Welding Fittings,Section III, Division 1, Class 1, 2, and 3

8/14/93 N-317 ASTM A276 Bar,Section III, Division

7/01/82 N-318-5 Procedure for Evaluation of the Design of Rectangular Cross Section Attachments on Class 2 or 3 Piping,Section III, Division 1

8/20/09 N-320

Alternate PWHT for SA-487, Grade CA6NM,Section III, Division 1

12/31/83 N-321-1 Use of Modified SA-249, Grade TP 304,Section III, Division 1, Class 1

12/85/88 N-324 Qualification of Authorized Nuclear Inspector Supervisor (Concrete) and Authorized Nuclear Inspector (Concrete),Section III, Division 2, Classes CB and CC

7/27/95 N-328 Thermit Brazing or Welding of Nonstructural Attachments,Section III,

Division 1

9/17/87 N-329 Examination of Bar Material,Section III, Division 1, Class 1

10/14/11 N-336 Examination of Welds Inaccessible During Pressure Test,Section III,

Division 1, Class MC

6/30/83 N-337-1 Use of ASTM B 525-70 Grade II, Type II, Sintered Austenitic Stainless Steel for Classes 2, 3, and MC Component Standard Supports,Section III,

Division 1

3/14/94 N-339 Examination of Ends of Fillet Welds,Section III, Division 1,Classes 1, 2, and MC

9/17/84 N-341 Certification of Level III NDE Examiner,Section III, Division 1 and 2

7/01/88 N-342 Use of SA-249 and SA-312 Type 317 Stainless Steel,Section III, Division

1, Classes 1, 2, and 3

4/02/85 N-345-1 Attachment of AMS 5382 Alloy 31 Seat Rings by Friction Welding,Section III, Division 1, Classes 1, 2, and 3

3/28/01 N-346 Explosive Welding,Section III, Division 1

6/30/86 N-347 Continuous Electric Resistance Seam Welding of P-No. 8 Materials for Component Supports,Section III, Division 1

12/13/85 N-349 Pressure Testing Piping Systems,Section III, Division 1, Classes 2 and 3

12/13/85

RG 1.84, Page 22 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-352-1 Use of SA-638 Grade 660 Forgings and Bars Below 700F Without Stress Rupture Tests,Section III, Division 1

6/30/86 N-353 Marking of SA-354 Grade BD Bolting,Section III, Division 1

9/05/88 N-354-1 Subcontracted Service,Section III, Division 2

8/14/94 N-355 Calibration Block for Angle Beam Ultrasonic Examination of Large Fittings in Accordance with Appendix III-3410

8/09/96 N-357 Certification of Material for Component Supports,Section III, Division 1, Subsection NF

7/01/88 N-359 Weld Connection for Coaxial Cylinders,Section III, Division 1, Class 1

12/31/84 N-362-2 Pressure Testing of Containment Items,Section III, Division 1,Classes 1,

2, and MC

7/01/88 N-367 SA-372 Type V, Grade 1, Class B,Section III, Division 1

2/19/89 N-368 Pressure Testing of Pump Discharge Piping,Section III, Division 1, Classes 2 and 3

7/01/95 N-370-2 Modified SA-705 Type XM-13 Forgings,Section III, Division 1

8/14/97 N-371-1

12Cr-1W-1Mo-1/4V Martensitic Stainless Steel Valve Internals,Section III, Division 1

7/18/88 N-372 SB-163 Ni-Fe-Cr-Mo-Cu Alloy 825 (UNS N08825) Tubing,Section III,

Division 1

12/31/83 N-376 Pressure Testing of Embedded Class 2 and 3 Piping,Section III, Division

1

7/30/86 N-377 Effective Throat Thickness of Partial Penetration Groove Welds,Section III, Division 1, Classes 1, 2, and 3

12/31/83 N-378 Examination of Piping Support Material,Section III, Division 1, Class 1

10/28/86 N-379-1 Bimetallic Tubing,Section III, Division 1, Class 1

7/18/91 N-384-1 Use of Prepackaged General Purpose Cement Grouts, Epoxy Grouts, and Epoxy Bonding,Section III, Division 2, Class CC

7/27/91 N-387 Certification of Level III NDE Examiner,Section III, Division 2

9/18/01 N-388 Component Support Bolting,Section III, Division 1, Classes 2, 3, and MC

2/23/87 N-391-2 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Class 1 Piping,Section III, Division 1

5/04/04 N-392-3 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Classes 2 and 3 Piping,Section III, Division 1

5/04/04 N-393 Repair Welding Structural Steel Bolted Shapes and Plates for Component Supports,Section III, Division 1

7/27/95 N-394 Restricting Lift to Achieve Reduced Relieving Capacities of Full Lift, Nozzle Type, and Flat Seated Safety and Safety Relief Valves for Compressible Fluid Applications,Section III, Division 1, Classes 2 and 3

3/02/01 N-395 Laser Welding,Section III, Division 1

9/18/01

RG 1.84, Page 23 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-403 Reassembly of Subsection NF Component and Piping Supports,Section III, Division 1

7/01/95 N-410

Certified Relieving Capacities of Pressure Relief Valves Having Set Pressure of 3 psig up to but Not including 15 psig Installed for Overpressure Protection of Compressible Fluid Systems,Section III,

Division 1, Classes 2 and 3

3/14/00

N-412 Alternative Rules for Witnessing the Piping System Pressure Tests of Classes 1, 2, and 3 Piping Systems,Section III, Division 1

4/15/91 N-413 Minimum Size of Fillet Welds for Subsection NF Linear Type Supports,Section III, Division 1

2/14/88 N-414 Tack Welds for Class 1, 2, 3 and MC Components and Piping Supports

2/20/92 N-418-1 Use of Seamless Ni-Fe-Cr-Mo-Cu Low Carbon (UNS N08028 and UNS N08904) Tubing,Section III, Division 1, Classes 2 and 3

7/27/95 N-420

Linear Energy Absorbing Supports for Subsection NF, Classes 1, 2, and 3 Construction

1/01/99 N-421 Brazing Using a Radiant Energy Source,Section III, Division 1

6/30/86 N-433 Non-Threaded Fasteners for Section III, Division 1, Class 1, 2, and 3 Components and Piping Supports

12/16/95 N-438-4 UNS N08367 Material,Section III, Division 1, Class 2 and 3 Construction

7/01/98 N-439-1 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Forgings, Plate, Seamless and Welded Pipe, and Welded Tube, Class 2 and 3 Construction,Section III, Division 1

9/18/01 N-440-1 Use of 20Cr-18Ni-6Mo (Alloy UNS J93254) Castings, Class 2 and 3 Construction,Section III, Division 1

9/18/01 N-441-2 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Fittings, Class 2 and 3 Construction,Section III, Division 1

9/18/01 N-442

1977 Addendum to ANSI/ASME PTC 25.3-1976, Safety and Safety Relief Valves, Class 1, 2, 3, and MC,Section III, Division 1

3/08/92 N-443-2 High Yield Strength Cr-Mo Steel, Class 1 Components,Section III,

Division 1

1/01/01 N-451 Alternative Rules for Analysis of Piping Under Seismic Loading, Class 1,Section III, Division 1

8/14/96 N-459 SA-508 Basic Oxygen-Ladle Furnace Process for Code Construction,Section III, Division 1

3/14/94 N-462 Alternative Rules for Analysis of Piping Products Under Seismic Loading, Class 2 and 3 Piping Systems,Section III, Division 1

5/24/96 N-464 Laser Welding of Lap Joints,Section III, Division 1, Classes 2 and 3 Construction

5/09/03 N-466-1 Modified 9Cr-1Mo Material,Section III, Division 1, Classes 1, 2, and 3

8/14/97 N-468 Alternative Method of Earthquake Description for Class 2 and 3 Piping of Low Seismicity Sites,Section III, Division 1

1/01/92

RG 1.84, Page 24 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date N-470

Class MC Material Requirements [NE-2121(c)],Section III, Division 1

3/08/92 N-474-2 Design Stress Intensities and Yield Strength Values for UNS N06690 With a Minimum Specified Yield Strength of 35 ksi, Class 1 Components,Section III, Division 1

1/01/00

N-475 Materials in Inventory,Section III, Division 1

12/11/92 N-476 Class 1, 2, 3, and MC Linear Component Supports - Design Criteria for Single Angle Members,Section III, Division 1, Subsection NF

7/01/96 N-482 Direct Quenched Stainless Bar, ASTM A 479-88b,Section III, Division 1

3/05/93 N-484-1 Real Time Radioscopic Examination of Welds,Section III, Division 1

12/16/94 N-492-1 Grade 9 Titanium Alloy Tubing,Section III, Division 1, Class 1, 2, and 3

1/01/00

N-497-1 Use of Fe-Ni-Cr-Mo-N (C-N-3MN) Cast Materials,Section III, Division

1, Class 2 and 3 Construction

1/01/99 N-501 Alternative Rules for NCA-3800, 1990 Addenda,Section III, Division 1

12/31/93 N-502 SA-268, Grade 26-3-3 (UNS S44660),Section III, Classes 2 and 3

1/01/00

N-507 Identification of Welders,Section III, Division 2

7/27/05 N-519 Use of 6061-T6 and 60610T651 Aluminum for Class 1 Nuclear Components,Section III, Division 1

2/03/02 N-540

Guidance on Implementation of NCA-3800 Revisions in 1994 Addenda,Section III, Division 1

6/30/98 N-549 Stamping and Flow Certification of Rupture Disk Devices, Classes 2 and

3,Section III, Division 1

3/19/99 N-550

Alternative Rules for Examination of Welds in Instrument Tubing, Classes

1 and 2,Section III, Division 1

5/20/01 N-551 Alternative Methods of Analysis, NC/ND-3673.1, Class 2 and 3 Applications,Section III, Division 1

8/14/97 N-559 SA-203, Grade E (Plate) and SA-350, Grade LF3 (Forging), 3.5% Ni Nominal Composition Used in Class 1 Construction,Section III, Division

1

5/24/99 N-570

Alternative Rules for Linear Piping and Linear Standard Supports for Class 1, 2, 3, and MC,Section III, Division 1

3/28/06 N-572 Use of SG-425 (UNS N08825) Bar and Rods for Class 1 Construction,Section III, Division 1

5/24/99 N-596 Use of Alternative Reference Specimens,Section III, Division 1

2/20/04 N-608 Applicable Code Edition and Addenda, NCA-1140(a)(2),Section III,

Division 1

5/20/01 N-656 Rules for the Construction of Inner Transportation Containments,Section III, Division 3

5/11/10

N-732 Magnetic Particles Examination of forgings for Construction,Section III,

Division 1

10/14/11

1141-7 Foreign Produced Steel

7/23/76

RG 1.84, Page 25 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date

1434-1 Postweld Heat Treatment of SA-487 Class 8N Steel Castings,Section III

1/01/78

1461-1 Electron Beam Welding,Section I, III, and VIII, Division 1 and 2

2/16/77

1470-2 External Pressure Charts for High-Strength Carbon Steels and for Low-Alloy Steels,Section VIII, Division 1 and 2, and Section III

11/04/74

1471-1 Vacuum Electron Beam Welding of Tube Sheet Joints,Section III

1/01/78

1475-1 Ferritic-Austenitic Stainless Steel Seamless Tubes for Section III,

Class 2 and 3 Construction

7/01/75

1477-1 Use of 1970 Addenda of ANSI B31.7,Section III

1/01/78

1494-1 Weld Procedure Qualification Test,Section III

1/01/78

1506 Stress Intensification Factors,Section III, Class 2 and 3 Piping

1/01/78

1515 Ultrasonic Examination of Ring Forgings for Shell Sections,Section III,

Class 1 Vessels

7/01/77

1529 Materials for Instrument Line Fittings,Section III

7/01/73

1531 Electrical Penetrations, Special Alloys for Electrical Penetration Seals,Section III

3/21/77

1532 Section III, Class 3 Components Made of 8 Percent and 9 Percent Nickel Steel

1/01/78

1533 Pressure Temperature Ratings of SA-351 Grades CF8A, CF3, and CF3M,

Section III

7/01/75

1535-2 Hydrostatic Testing of Section III, Class 1 Valves

3/21/77

1536 Closing Seam for Electrical Penetrations for Section III, Class 2, 3, and MC

7/01/77

1553-1 Upset Heading and Roll Threading of SA-453 for Bolting in Section III

1/01/76

1555-1 Certification of Safety Relief Valves,Section III, Division 1

1/01/78

1567 Testing Lots of Carbon and Low Alloy Steel Covered Electrodes,Section III

1/01/78

1568 Testing Lots of Flux Cored and Fabricated Carbon and Low Alloy Steel Welded Electrodes,Section III

1/01/78

1573 Vacuum Relief Valves,Section III

1/01/78

1574 Hydrostatic Test Pressure for Safety Relief Valves,Section III

12/31/74

1580-1 Buttwelded Alignment Tolerance and Acceptable Slopes for Concentric Centerlines for Section III, Class 1, 2, and 3 Construction

1/01/78

1581 Power-Operated Pressure Relief Valves,Section III

3/01/79

1583 Use of 80-40 Carbon Steel Castings,Section III

3/21/77

1587 SA-508 Class 3 Forgings with 0.4/1.0 Ni for Section III and VIII,

Division 2 Construction

12/31/75

1590

Chemical Analysis Variations,Section III Construction

3/21/77

1601 Limits of Reinforcement for Two-Thirds Area,Section III, Class 1

7/01/74

1602-1 Use of SB-42 Alloy 122, SB-111 Alloys 122, 715 and 706 and

12/31/74

RG 1.84, Page 26 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date SB-466 Alloys 706 and 715,Section III, Class 2 and 3 Components

1603 Toughness Tests When Cross-Section Limits Orientation and Location of Specimens

7/01/74

1605 Cr-Ni-Mo-V Bolting Material for Section III, Class 1 Components

3/17/80

1608-1 Use of ASME SB-265, SB-337, SB-338, and SB-381, Grades 1, 2, 3, and 7 Unalloyed Titanium and ASTM B-363 Titanium Welding Fittings,Section III, Class 2 and 3 Components

3/21/77

1613 Use of SA-372 Class IV Forgings,Section III Construction

1/01/78

1614 Hydrostatic Testing of Piping Prior To or Following the Installation of Spray Nozzles for Section III, Classes 1, 2, and 3 Piping Systems

1/01/79

1615 Use of A587-73,Section III, Class 3 Construction

1/01/78

1616 Ultrasonic Examination of Seamless Austenitic Steel Pipe,Section III,

Class 1 Construction

7/01/75

1622 PWHT of Repair Welds in Carbon Steel Castings,Section III, Class 1, 2, and 3

1/01/76

1623 Design by Analysis for Section III, Class 1 Sleeve-Coupled and Other Patented Piping Joints

3/01/79

1625 Repair of Section III Class 2 and 3 Tanks

12/31/74

1633 Brazing of Seats to Class 1, 2, and 3 Valve Body or Bonnets,Section III

1/01/78

1637 Effective Date for Compliance with NA-3700 of Section III

1/01/75

1645 Use of DeLong Diagram for Calculating the Delta Ferrite Content of Welds in Section III, Class 1, 2, and CS Construction

1/01/76

1648 SA-537 Plates for Section III, Class 1, 2, 3, and MC Components

7/01/76

1649 Modified SA-453-GR 660 for Class 1, 2, 3, and CS Construction

1/01/76

1650

Use of SA-414 Grade C for Class 2 and 3 Components,Section III,

Division 1

12/31/74

1651 Interim Requirements for Certification of Component Supports,Section III, Subsection NF

3/01/79

1657 Stress Criteria for Class 2 and 3 Atmospheric and Low Pressure

(0-15 psig) Steel Storage Tanks

7/01/77

1659 Interconnection of Two Piping Systems for Section III, Class 1, 2, and 3 Construction

7/01/77

1661 Postweld Heat Treatment P-No.1 Materials for Section III, Class 1 Vessels

1/01/78

1662 Shop Assembly of Components, Appurtenances and Piping Subassemblies for Section III, Class 1, 2, 3, and MC Construction

1/01/78

1664 Use of Cr-Ni-Fe-Mo-Cu-Cb Stabilized Alloy Cb-3 for Section III

Class 2 and 3 Construction

3/21/77

1666 Use of SB-12, Alloy 122 for Class 2 and 3 Construction

7/01/75

1672 Nuclear Valves for Section III, Division 1, Class 1, 2, 3 Construction

3/21/77

RG 1.84, Page 27 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date

1675 Tubesheet to Shell or Formed Head Weld Joints,Section III, Class 1 Vessels

7/01/76

1676 Clarification of Stress Intensities in Curved Pipe or Welded Elbows,Section III

7/01/76

1678 Butterfly Valves of Circular Cross Section Larger than 24 in. NPS for Section III, Class 2 and 3 Construction

1/01/80

1682-1 Alternate Rules for Material Manufacturers and Suppliers,Section III,

Subarticle NA-3700

12/31/75

1683-1 Bolt Holes for Section III, Class 1, 2, 3 and MC Component Supports

7/01/76

1684 A637 Grade 718 for Bolting Class 1 and 2 Construction

1/01/76

1685 Furnace Brazing Section III, Class 1, 2, 3 and MC Construction

1/01/78

1686 Furnace Brazing,Section III, Subsection NF, Component Supports

1/01/78

1690

Stock Materials for Section III Construction,Section III, Division 1

1/01/77

1691 Ultrasonic Examination in Lieu of Radiography of Repair Welds for Vessels,Section III, Class 1

1/01/78

1703 Brazing of Copper Alloys,Section III, Class 2

1/01/78

1706 Data Report Forms for Component Supports,Section III, Class 1, 2 and 3

12/31/75

1713 Small Material Items,Section III, Division 1, Class 1, 2, 3, CS and MC

12/31/75

1718 Design of Structural Connections for Linear Type Component Supports,Section III, Division 1, Class 1, 2 and 3 and MC

7/01/76

1719 Single-Welded, Full-Penetration Sidewall Butt Joints in Atmospheric Storage Tanks,Section III, Division 1, Class 2

7/01/76

1728 Steel Structural Shapes and Small Material Products for Components Supports,Section II, Division 1 Construction

7/01/77

1740

Weld Metal Test,Section III, Class 1, 2, 3, MC and CS

7/01/76

1741-1 Interim Rules for the Required Number of Impact Tests for Rolled Shapes,Section III, Division 1, Subsection NF, Components Supports

1/01/78

1742 Use of SB-75 Annealed Copper Alloy 122,Section III, Division 1, Class 2 Construction

7/01/76

1743 Use of SB-98 Cu-SiB Rod CDA651 Section III, Division 1, Class 2 Components

7/01/76

1760

Maximum Dimensions for Isolated Pores in WeldsBClass 1 Components,Section III, Division 1

7/01/77

1765 Machining After Hydrostatic Testing Class 2 and 3 Construction,Section III, Division 1

7/01/77

1766 Testing Requirements for Welding Materials, Class 1, 2, 3, MC and CS

Construction,Section III, Division 1

7/01/77

1767 Examination of Tubular Products Without Filler Metal-Class 1 Construction,Section III, Division 1

1/01/77

RG 1.84, Page 28 Code Case Number Table 3 Annulled Unconditionally Approved Section III Code Cases Annulment Date

1768 Permanent Attachments to Containment VesselsBClass MC,Section III,

Division 1

1/01/78

1769-1 Qualification of NDE Level III Personnel,Section III, Division 1

10/01/77

1773 Use of Other Product Forms of Materials for Valves,Section III,

Division 1

7/01/77

1775 Data Report Forms for Core Support Structures, Class CS,Section III,

Division 1

8/13/79

1777 Use of SA-106, Grade C in Class MC Construction,Section III, Division 1

7/01/77

1787 Depth of Weld Repairs for Forgings,Section III, Division 1, Class 1, 2, 3, MC and CS Construction

1/01/78

1798 Use of ASTM A352-75, Grades LCA and LCC,Section III, Division 1, Class 1, 2, and 3

1/01/78

1808 F-Number Classification of Low Alloy and Carbon Steel Bare Rod Electrodes, Sections I, II, III, IV, V, VIII, and IX.

1/01/78

1810

Testing Lots of Carbon Steel Solid, Bare Welding Electrode or Wire,Section III, Division 1, Class 1, 2, 3, MC, and CS

3/03/80

1819 Use of Type XM-19 for Construction,Section III, Division 1, Class 1, 2, 3

1/01/78

RG 1.84, Page 29

4.

Annulled Conditionally Acceptable Section III Code Cases

The Code Cases listed in Table 4 were conditionally approved by the NRC but were subsequently annulled by the ASME.

Table 4. Annulled Conditionally Acceptable Section III Code Cases

Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-11-5

(1414-5)

High Yield Strength Cr-Mo Steel for Section III, Division 1, Class 1 Vessels

8/29/80

The information required to be developed by Note 1 in the Code Case should be provided in each referencing safety analysis report.

N-31-1 Elastomer Diaphragm Valves,Section III, Division 1, Classes 2 and 3

7/01/93 Each applicant who applies the Code Case should indicate in the referencing safety analysis report that the service life of the elastomer diaphragm should not exceed the manufacturers recommended service life. This recommended service life should not exceed 1/3 of the minimum cycle life as established by the requirements of paragraph 3 of the Code Case. In addition, the service life of the elastomer diaphragm should not exceed 5 years, and the combined service and storage life of the elastomer diaphragm should not exceed 10

years.

N-32-4 Hydrostatic Testing of Embedded Class 2 and Class 3 Piping for Section III, Division 1 Construction

3/16/84 The acceptance of Code Case N-32-4 was based on the following clarification and interpretation. Code Case N-32-4 does not replace paragraph NC/ND-6129, Provisions for Embedded or Inaccessible Welded Joints in Piping, of the Code. The intent of the Code Case is to (1) provide additional testing above Code requirements and (2) permit liquid penetrant or magnetic particle testing in place of radiographic testing for Class 3 piping with 3/8" nominal wall thickness or less.

Paragraph (1) contains an additional requirement to the Code. It was, therefore, acceptable but unnecessary to include in the Code Case.

Paragraph (2) is a variation in the volumetric examination technique and was acceptable as written. Paragraph (3) contains an additional requirement and is not a relaxation of the Code. It was, therefore, acceptable but unnecessary to include in the Code Case.

N-92

(1698)

Waiver of Ultrasonic Transfer Method,Section III, V, and VIII,

Division 1

7/13/81 The material from which the basic calibration block is fabricated should be of the same product form, alloy, and heat treatment as the material being examined. Alloys of equivalent P-number grouping may be used for the fabrication of calibration blocks if adjustments to signal height can be made to compensate for sound beam attenuation difference between the calibration block and the material under examination by following the transfer method procedure of T-535.1(d), Article 5,Section V, ASME BPV Code, 1977 Edition.

RG 1.84, Page 30

Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-100

(1711)

Pressure Relief Valve Design Rules,Section III, Division 1, Class 1, 2 and 3

1/01/83 The following information should be provided in the safety analysis report:

(1)

If stress limits are used in excess of those specified for the upset operating condition, it should be demonstrated how the pressure relief function is ensured. Refer to paragraph 3.1,Section I, of the Code Case for Class and paragraph 3.2,Section II, of the Code Case for Class 2 and 3 pressure relief valves.

(2)

If Code Case 1660 is to be used in conjunction with the Code Case, it should be stated that the stress limits of Code Case 1660 supersede those of paragraph 3.2(b),Section I, of Code Case 1711. Functional assurance of (1) above is required in all situations.

N-106-2

(1720-2)

Weld End Preparation for Section III, Division 1 Construction

8/14/93 The acceptance of weld end preparations other than those shown in Figures 1,

2, and 3 of the Code Case should be evaluated on a case-by-case basis.

N-110

(1727)

Alternate Test Fluids,Section III, Division 1

1/01/79 The applicant should provide justification in the referencing safety analysis report for the fluid selected for use in the pressure test. The information provided should demonstrate that the fluid selected will not have deleterious effects on the material of the pressure boundary and that the fluid may be safely used at the specified temperature and pressure of the test. When the fluid selected for use is the operating fluid, additional information is not required.

N-116

(1734)

Weld Design for Use for Section III, Division 1, Class 1, 2, 3 and MC

Construction of Component Supports

1/01/78 If the configuration of Figure 1 of the Code Case is used for Class 1 and MC

components supports, full penetration welds should be used. The application of the configuration shown in Figures 2 and 3 should be restricted to the welding of cans for spring encapsulation in spring hangers. In Figure 3, the length of the leg of the fillet weld adjacent to the plate should be equal to the thickness of the exposed edge of the plate; also, the leg of the fillet weld adjacent to the shell should be equal to the thickness of the exposed end of the shell.

N-146-1

(1780-1)

Hydrostatic Testing and Stamping of Components,Section III,

Division 1, Construction

1/01/82 On a generic basis, the application of the Code Case is limited to pumps and valves. Application to other components should be treated on a case-by-case basis. Each licensing application in which the Code Case is to be used should contain information showing that, as a minimum the closure fixture will impose loads that result in stresses equal to or greater than those induced during the hydrostatic test of a complete pump assembly. A closure fixture for the part being tested that is similar in size and shape to the actual mating part is considered adequate to impose these loads. It is not intended that piping reaction loadings be simulated in the hydrostatic testing.

RG 1.84, Page 31 Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-175

(1818)

Welded Joints in Component Standard Supports,Section III, Division 1

7/01/79 That portion of the unwelded housing that is limited to 90° maximum should include a minimum of two sectors that are uniform in length.

N-199 Intervening Elements,Section III, Division 1, Classes 1, 2, 3 and MC

Component Construction

1/01/81 The applicants should provide information in the referencing safety analysis report that demonstrates that all intervening elements have been designed in compliance with the requirements of the respective design specification.

N-208-2 Fatigue Analysis for Precipitation Hardening Nickel Alloy Bolting Material to Specification SB-637 N07718 for Class 1 Construction,Section III,

Division 1

10/14/11

(1) In Figure A, the words No mean stress shall be implemented with the understanding that it denotes Maximum mean stress.

(2) In Figure A, y shall be implemented with the understanding that it denotes max.

N-238 High Temperature Furnace Brazing of Seat Rings in Valve Bodies or Bonnets for Section III, Division 1, Class 1, 2, and 3 Valves

1/01/82 The furnace brazing process procedure qualification should include a verification for nonsensitization as given in ASTM A 262-70, Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels (Ref. 7), Practices A or E, or ASTM A 708-74, Practice for Detection of Susceptibility to Intergranular Corrosion in Severely Sensitized Austenitic Stainless Steels (Ref. 8), whenever materials subject to sensitization are to be brazed. Documentation is required that a nonsensitizing brazing procedure was employed for valves produced to this Case.

N-242-1 Materials Certification,Section III, Division 1, Classes 1, 2, 3, MC, and CS

Construction

6/30/84 Applicants should identify in their safety analysis reports the components and supports for which the Code Case is being applied and should specify the respective paragraphs of the Code Case.

N-252 Low Energy Capacitive Discharge Welding Method for Temporary or Permanent Attachments to Components and Supports,Section III, Division 1, and XI

7/01/82 The applicant should indicate in the safety analysis report the application, the material, and the material thickness to which the strain gage or thermocouple will be attached by CD welding.

N-260-2 Weld Repair of SA-182 Type 316 Forgings,Section III, Division 1, Classes 1,

2, 3, and MC

12/05/88 Type 308L welding materials should not be used to repair grade F 316 N

forgings because of the difference in strength levels.

RG 1.84, Page 32 Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-263 Alternate Thread Forms, Series and Fits for Component Supports,Section III, Division 1

3/17/83 The following information should be provided in the safety analysis report:

(1)

a description of the application,

(2)

a need for the use of the Code Case, and

(3)

a demonstration that support design will withstand maximum conditions of loading with the worst combination of thread tolerance.

N-274 Alternative Rules for Examination of Weld Repairs for Section III, Division 1 Construction

6/30/86 The ultrasonic examination procedures shall be proven by actual demonstration, to the satisfaction of the Authorized Nuclear Inspector, that the procedures are capable of detecting unacceptable cracks according to Section XI requirements.

N-275 Repair of Welds,Section III, Division 1

12/31/83 Use of the Code Case is applicable only when the removal of an indication requires that the full weld thickness be removed and, in addition, the backside of the weld assembly joint is not accessible for the removal of examination material. If an indication is removed and weld-metal layers still remain, it is not acceptable to gouge through the wall in order to qualify for use of the Code Case. Instead, examination of the cavity is required when such an indication has been removed.

N-279 Use of Torquing as a Locking Device for Section III, Division 1, Class 1, 2,

3, and MC Component Supports

7/13/81 When torquing or other preloading is used as a locking device and the joint is later unloaded or disassembled, the bolting should be replaced unless it can be demonstrated or proved to the Authorized Nuclear Inspector that the original bolting has not been permanently strained.

N-292 Depositing Weld Metal Prior to Preparing Ends for Welding,Section III,

Division 1, Class 1, 2, and 3

2/20/04 Class 3 piping that is longitudinally welded and that has a weld efficiency factor of 1.0 as selected from Table ND-3613.4-1, Weld Joint Efficiency Factor, must receive a 100 percent volumetric examination (RT or UT) of the deposited weld metal in accordance with the requirements of ND-5000,

Examination.

N-310-1 Certification of Bolting Materials,Section III, Division 1, Class 1, 2, 3, MC

and CS

7/01/82 Each applicant who applies the Code Case should indicate in the referencing port safety analysis report:

(1)

in what way the bolting does not meet NCA-3800 (or NA-3700),

(2)

where the bolting will be used in the plant, and

(3)

how it will be shown that the bolting material properties required by the equipment support design specification are present in the actual bolting material.

RG 1.84, Page 33 Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-314 Alternate Rules for Thread Engagement,Section III, Division 1

5/11/84 Applicants should identify in their safety analysis report:

(1)

the minimum length of thread engagement and

(2)

the procedure used to establish thread engagement.

N-348 N-348-1 N-348-2 Use of SA-574 Socket Weld Head Cap Screws,Section III, Division 1

9/7/85

2/20/89

8/14/93 Applicants should justify in their safety analysis reports why use of these socket head cap screws will not result in early failure from stress corrosion cracking.

N-350

Postweld Heat TreatmentBThickness of Material,Section III, Division 1

9/05/85 Applicants wishing to use this Code Case for other than P-1 materials should demonstrate that the use of this Code Case will not adversely affect the required material properties.

N-383-1 Weld Repair of SA-182 Austenitic Forgings,Section III, Division 1, Classes

1, 2, and 3

9/5/85 Applicants who apply the provisions of this Code Case to permit material manufacturers to weld repair austenitic forgings without resolution heat treatment should provide justification to the NRC staff (via the safety analysis report) why this is acceptable for their applications, including their evaluation of the susceptibility for stress corrosion cracking.

N-397 Alternative Rules to the Spectral Broadening Procedures of N-1226.3 for Classes 1, 2, and 3 Piping,Section III, Division 1

2/20/87 The Code Case is acceptable for specific plant applications on a case-by-case basis pending revision of Regulatory Guide 1.122, Development of Floor Design Response Spectra for Seismic Design of Floor-Supported Equipment or Components (Ref. 9).

N-398 Reporting of Charpy-V Notch Test Results,Section III, Division 1

2/20/87 The Code Case is not acceptable to steam generator or reactor coolant pump supports. Applicants wishing to use this Code Case should indicate in the safety analysis report the component supports to which the case is applied for review on a case-by-case basis.

N-404 Annealed Alloy UNS N06625 Over UNS N06600 Bimetallic Tubing,Section III, Division 1, Class 1

12/11/95 The outside layer of the bimetallic tubing should be limited to a minimum of

5 percent and to a maximum of 40 percent of the wall thickness. The tolerance on the outside layer of material should not exceed -0.000 to +0.007 inches of the specified design wall thickness.

RG 1.84, Page 34 Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-411-1 Alternative Damping Values for Response Spectra Analysis of Class 1, 2, and

3 Piping,Section III, Division 1

5/05/00

(1)

The Code Case damping should be used completely and consistently, if used at all. [For equipment other than piping, the damping values specified in Regulatory Guide 1.61, Damping Values for Seismic Design of Nuclear Power Plants (Ref. 10), are to be used.]

(2)

The damping values specified may be used only in those analyses in which current seismic spectra and procedures have been employed.

Such use is to be limited only to response spectral analyses [similar to that used in the study supporting its acceptance, NUREG/CR-3526, Impact of Changes in Damping and Spectrum Peak Broadening on the Seismic Response of Piping Systems (Ref. 11)]. The acceptance of the use with other types of dynamic analyses (e.g., time-history analyses or independent support motion method) is pending further justification.

N-411-1 (contd)

Alternative Damping Values for Response Spectra Analysis of Class 1, 2, and

3 Piping,Section III, Division 1

5/05/00

(3)

When used for reconciliation work or for support optimization of existing designs, the effects of increased motion on existing clearances and on-line mounted equipment should be checked.

(4)

This Code Case is not appropriate for analyzing the dynamic response of piping systems using supports designed to dissipate energy by yielding (i.e., the design of which is covered by Code Case N-420).

(5)

This Code Case is not applicable to piping in which stress corrosion cracking has occurred unless a case-specific evaluation is made and is reviewed by the NRC staff.

(5) This Code Case is not applicable to piping in which stress corrosion cracking has occurred unless a case-specific evaluation is made and is reviewed by the NRC staff.

N-430

Alternative Requirements for Welding Workmanship and Visual Acceptance Criteria for Class 1, 2, 3 and MC Linear-Type and Standard Supports,Section III, Division 1

7/01/93

(1)

The applicant should demonstrate that the applicable supports are not subject to cyclic loading in excess of 20,000 cycles; and

(2)

The first sentence of 3.0(f)(1) should be replaced with the following:

For material 3/8 in. and less nominal thickness, undercut depth of

1/32 in. on one side of the member for the full length of the weld, or

1/32 in. on one side for one-half the length of the weld, and 1/16 in.

for one-fourth of the length of the weld on the face of a rectangular tube or one-fourth the length of the weld on the same side of the member is acceptable.

N-595-4

Requirements for Spent Fuel Storage Canisters,Section III, Division 1

10/14/11 The canisters must be made from austenitic stainless steel Type 304 or 316.

RG 1.84, Page 35 Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition N-656 Rules for the Construction of Inner Transportation Containments,Section III, Division 3

5/11/10

The inner transportation containment must contain only solid and dry material.

1361-2 Socket Welds,Section III

3/01/79 Code Case 1361-2 was acceptable when used in connection with Section III,

paragraph NB-3356, Fillet Welds.

1412-4 Modified High Yield Strength Steel for Section III, Division 1, Class 1 Vessels

1/01/77 The information required to be developed by Note 1 in the Code Case should be provided in each referencing safety analysis report. The material given in the Inquiry section of the Code Case should be SA-508, Class 4b, instead of SA-508, Class 4.

1423-2 Wrought Type 304 and 316 with Nitrogen Added, Sections I, III, VIII,

Division 1 and 2

7/01/77 Code Case 1423-2 was acceptable subject to compliance with the recommendations contained in Regulatory Guide 1.31, Control of Ferrite Content in Stainless Steel Weld Metal (Ref. 12), and Regulatory Guide 1.44, Control of the Use of Sensitized Stainless Steel (Ref. 13).

1521-1 Use of H-Grades of SA-240, SA-479, SA-336, and SA-358,Section III

1/01/78 Code Case 1521-1 was acceptable subject to compliance with the recommendations contained in Regulatory Guide 1.31, and Regulatory Guide 1.44.

1528-3 High Strength Steel SA-508, Class 2 and SA-541, Class 2 Forgings,Section III, Class 1 Components

1/01/78 The information required to be developed by Note 1 in the Code Case should be provided in each referencing safety analysis report.

1569 Design of Piping for Pressure Relief Valve Station,Section III

7/01/79 Code Case 1569 was acceptable subject to compliance with the recommendations contained in Regulatory Guide 1.67, Installation of Over-Pressure Protection Devices (Ref. 14).

1606-1 Stress Criteria Section III, Classes 2 and 3 Piping Subject to Upset, Emergency, and Faulted Operating Conditions

7/01/77 Code Case 1606-1 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.

RG 1.84, Page 36 Code Case Number Table 4 Annulled Conditionally Acceptable Section III Code Cases Annulment Date Title/Condition

1607-1 Stress Criteria for Section III, Classes 2 and 3 Vessels Designed to NC/NC-3300 Excluding the NC-3200 Alternate

7/01/77 Code Case 1607-1 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.

1635-1 Stress Criteria for Section III, Class 2 and 3 Valves Subjected to Upset, Emergency, and Faulted Operating Conditions

7/01/77 Code Case 1635-1 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.

1636-1 Stress Criteria for Section III, Class 2 and 3 Pumps Subjected to Upset, Emergency, and Faulted Operating Conditions

7/01/77 Code Case 1636-1 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.

1689-1 Alternate PWHT Time and Temperature for SA-182 Grade F-22, SA-387 Grade 22, Class 2, and SA-335 Grade P-22 Section III,

Class 1, 2, 3 and CS

1/01/78 The alternate postweld heat treatment should be prequalified along with the applicable welding procedure in accordance with ASME Section IX.

1783-1 Qualification of Nondestructive Examination Personnel,Section III,

Division 1

1/01/79 The first sentence of paragraph (1) should be replaced with the following:

The certification of the Level III nondestructive examination personnel for the purpose of this Section of the Code will be the responsibility of the employer of the Level III individual. If the employer is not a Certificate Holder, then the verification of such certificate is the responsibility of the Certificate Holder.

RG 1.84, Page 37

5.

Code Cases Superseded by Revised Code Cases

The Code Cases listed in Table 5 were approved in prior versions of this guide and have since been superseded by revised Code Cases (on or after July 1, 1974). The date in Column 3 indicates the date on which the ASME approved the revision to the Code Case. The older or superseded version of the Code Case, if listed in Table 5, cannot be applied by the licensee or applicant for the first time Note: Code Cases listed without conditions were unconditionally approved for use by the NRC.

Table 5. Section III Code Cases That Have Been Superseded by Revised Code Cases on or after July 1, 1974

Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-4-11

(1337-11)

N-4-12 Special Type 403 Modified Forgings or Bars,Section III, Division 1, Class 1 and CS

1/12/05

2/12/08 N-5

(1344-5)

Nickel-Chromium, Age-Hardenable Alloys (Alloy X750),Section III

12/13/82 N-7

(1358-5)

High Yield Strength Steel,Section III, Division 1, Class 1 Vessels

12/13/82 The information required to be developed by Note 1 in the Code Case should be provided in each referencing safety analysis report.

N-20

(1484-3)

N-20-1 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at Nickel-Iron-Chromium Alloy 800 at a Specified Minimum Yield Strength of 40.0 Ksi,Section III, Division 1, Class 1

9/05/85

12/07/87 N-20-2 N-20-3 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at Nickel-Iron-Chromium Alloy 800 at a Specified Minimum Yield Strength of 40.0 Ksi and Cold Worked Alloy

800 at a yield strength of 47.0 Ksi,Section III, Division 1, Class 1

11/30/88

2/26/99 N-31

(1540-2)

Elastomer Diaphragm Valves,Section III, Class 2 and 3

7/18/85 Each applicant who applies the Code Case should indicate in the referencing safety analysis report that the service life of the elastomer diaphragm should not exceed the manufacturers recommended service life. This recommended service life should not exceed 1/3 of the minimum cycle life as established by the requirements of paragraph 3 of the Code Case. In addition, the service life of the elastomer diaphragm should not exceed 5 years, and the combined service and storage life of the elastomer diaphragm should not exceed 10 years.

N-55

(1609-1)

Inertia and Continuous Drive Friction Welding,Section I, III, IV, VIII,

Division 1 and 2, and IX

4/05/84 N-60

(1618-2)

N-60-1 Material for Core Support Structures,Section III, Division 1, Subsection NG

5/25/83

9/17/84 Welding of age-hardenable alloy SA-453 Grade 660 and SA-637 Grade 688 should be performed when the material is in the solution-treated condition.

RG 1.84, Page 38 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-60-2 N-60-3 N-60-4 Material for Core Support Structures,Section III, Division 1, Subsection NG

9/05/85

5/13/91

2/15/94 Welding of age-hardenable alloy SA-453 Grade 660 and SA-637 Grade 688 should be performed when the material is in the solution-treated condition. For SA-479 material, the maximum yield strength should not exceed 90,000 psi in view of the susceptibility of this material to environmental cracking.

N-62-2

(1621-2)

N-62-3 N-62-4 N-62-5 N-62-6 Internal and External Valve Items,Section III, Division 1, Class 1, 2 and 3 Line Valves

7/18/85

9/05/85

7/24/89

12/11/89

5/11/94 The Code requires that Class 1 and Class 2 valve manufacturers meet the provisions of NCA 4000, Quality Assurance, and, in addition, Class 3 valve manufacturers should also meet the provisions of NCA-4000.

N-71-7

(1644-7)

N-71-8

(1644-8)

Additional Materials for Component Supports,Section III, Division 1, Subsection NF,

Class 1, 2, 3 and MC Component Supports

5/15/78

1/07/80

The maximum measured ultimate tensile strength (UTS) of the component support material should not exceed 170 Ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion cracking. Certain applications may exist where a UTS value of up to 190 Ksi could be considered acceptable for a material and, under this condition, the Design Specification should specify impact testing for the material. For these cases, it should be demonstrated by the applicant that:

(1)

the impact test results for the material meet Code requirements and

(2)

the material is not subject to stress corrosion cracking by virtue of the fact that (a) a corrosive environment is not present, and (b)

the component that contains the material has essentially no residual stresses or assembly stresses, and it does not experience frequent sustained loads in service.

N-71-9

(1644-9)

Additional Materials for Component Supports Fabricated by Welding,Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports

5/11/81 In the last sentence of paragraph 5.3, reference should be made to paragraph 4.5.2.2, Alternate Atmosphere Exposure Time Periods Established by Test, of the AWS D.1.1 Code for the evidence presented to and accepted by the Authorized Inspector concerning exposure of electrodes for longer periods of time.

RG 1.84, Page 39 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-71-10

N-71-11 Additional Materials for Component Supports Fabricated by Welding,Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports

6/17/82

2/14/83 The maximum measured ultimate tensile strength (UTS) of the component support material should not exceed 170 Ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion cracking. Certain applications may exist where a UTS value of up to 190 Ksi could be considered acceptable for a material and, under this condition, the Design Specification should specify impact testing for the material. For these cases, it should be demonstrated by the applicant that:

(1)

the impact test results for the material meet Code requirements and

(2)

the material is not subject to stress corrosion cracking by virtue of the fact that (a) a corrosive environment is not present, and (b) the component that contains the material has essentially no residual stresses or assembly stresses, and it does not experience frequent sustained loads in service.

In the last sentence of paragraph 5.3, reference should be made to paragraph 4.5.2.2, Alternate Atmosphere Exposure Time Periods Established by Test, of the AWS D.1.1 Code for the evidence presented to and accepted by the Authorized Inspector concerning exposure of electrodes for longer periods of time.

N-71-12 Additional Materials for Component Supports Fabricated by Welding,Section III, Division 1, Class 1, 2, 3 and MC

2/20/84 The maximum measured ultimate tensile strength (UTS) of the component support material should not exceed 170 Ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion cracking. Certain applications may exist where a UTS value of up to 190 Ksi could be considered acceptable for a material and, under this condition, the Design Specification should specify impact testing for the material. For these cases, it should be demonstrated by the applicant that:

(1)

the impact test results for the material meet Code requirements and

(2)

the material is not subject to stress corrosion cracking by virtue of the fact that (a) a corrosive environment is not present, and (b) the component that contains the material has essentially no residual stresses or assembly stresses, and it does not experience frequent sustained loads in service.

In the last sentence of paragraph 5.3, reference should be made to paragraph 4.5.2.2, Alternate Atmosphere Exposure Time Periods Established by Test, of the AWS D.1.1 Code for the evidence presented to and accepted by the Authorized Inspector concerning exposure of electrodes for longer periods of time. Paragraph 16.2.2 is not acceptable as written and should be replaced with the following: AWhen not exempted by 16.2.1, above, the postweld heat treatment shall be performed in accordance with NF-4622 except that for ASTM A-710 Grade A material, it should be at least 1000°F (540°C) and should not exceed 1150°F (620°C) for Class 1 and Class 2 material and 1175°F (640°C)

for Class 3 material. The new holding time at temperature for weld thickness (nominal)

should be 30 minutes for 2 inch or less, 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> per inch for thickness over 2 inch to 5 inches, and 5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> plus 15 minutes for each additional inch over 5 inches.@

RG 1.84, Page 40

Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-71-13 N-71-14 N-71-15 N-71-16 N-71-17 Additional Materials for Subsection NF, Classes 1, 2, 3 and MC Component Supports Fabricated by Welding,Section III, Division 1

12/05/85

12/16/86

2/12/93

12/31/96

12/08/00

The maximum measured ultimate tensile strength (UTS) of the component support material should not exceed 170 Ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion cracking. Certain applications may exist where a UTS value of up to 190 Ksi could be considered acceptable for a material and, under this condition, the Design Specification should specify impact testing for the material. For these cases, it should be demonstrated by the applicant that:

(1)

the impact test results for the material meet Code requirements, and

(2)

the material is not subject to stress corrosion cracking by virtue of the fact that (a) a corrosive environment is not present, and (b)

the component that contains the material has essentially no residual stresses or assembly stresses, and it does not experience frequent sustained loads in service.

In the last sentence of paragraph 5.3, reference should be made to paragraph 4.5.2.2, Alternate Atmosphere Exposure Time Periods Established by Test, of the AWS D.1.1 Code for the evidence presented to and accepted by the Authorized Inspector concerning exposure of electrodes for longer periods of time. Paragraph 16.2.2 is not acceptable as written and should be replaced with the following: When not exempted by 16.2.1, above, the postweld heat treatment should be performed in accordance with NF-4622 except that for ASTM A-710 Grade A material, it should be at least 1000°F (540°C) and should not exceed 1150°F (620°C) for Class 1 and Class 2 material and 1175°F (640°C)

for Class 3 material. The new holding time at temperature for weld thickness (nominal)

should be 30 minutes for 2 inch or less, 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> per inch for thickness over 2 inch to 5 inches, and 5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> plus 15 minutes for each additional inch over 5 inches. The fracture toughness of Classes 1, 2, and 3 component supports should be characterized in accordance with Section 5.3.4 of NUREG-0800, Standard Review Plan for the Review of Safety Analysis Reports for Nuclear Power Plants (Ref. 15), or on a case-by-case basis. The fracture toughness requirements as listed in this Code Case apply only to piping supports and not to Class 1, Class 2, and Class 3 component supports.

N-95-1

(1701-1)

Determination of Capacities of Vacuum Relief Valves,Section III, Division 1 and 2, Class MC

7/09/79 N-102-1

(1714-2)

Postweld Heat Treatment of P-1 Material,Section III, Class MC

8/28/78 N-119-2

(1739-2)

N-119-3

(1739-3 N-119-4

(1739-4)

N-119-5 Pump Internal Items,Section III, Division 1, Class 1, 2, and 3

8/25/80

12/01/80

7/18/85

9/05/85 N-122 Stress Indices for Structural Attachments, Class 1,Section III, Division 1

7/24/89 N-133

(1761-1)

Use of SB-148 Alloy CA954 for Section III, Division 1, Class 2 or 3 Flanged End Valves

1/14/77

RG 1.84, Page 41 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-133-1 N-133-2 Use of SB-148 Alloys 952 and 954,Section III, Division 1, Class 3

5/19/85

7/18/85 N-154

(1791)

Projection Resistance Welding of Valve Seats,Section III, Division 1, Class 1, 2 and 3 Valves

7/18/85 N-160

(1797)

Finned Tubing for Construction,Section III, Division 1

7/18/85 N-188 Use of Welded Ni-Fe-Cr-Mo-Cu (Alloy 825) and Ni-Cr-Mo-Cb (Alloy 625) Tubing,Section III, Division 1, Class 3

1/01/78 N-192 N-192-1 N-192-2 Use of Flexible Hose for Section III, Division 1, Class 1, 2, and 3 Construction

8/30/79

9/16/81

7/23/02 The applicant should indicate system application, design and operating pressure, and pressure-temperature rating of the flexible hose. Data to demonstrate compliance of the flexible hose with NC/ND-3649, particularly NC-ND-3649.4(e), are required to be furnished with the application.

N-196 Exemption from the Shake-down Requirements When Plastic Analysis is Performed for Section III, Division 1, Class 1 Construction

1/08/79 N-207 Use of Modified SA-479 Type XM-19 for Section III, Division 1, Class 1, 2, or 3 Construction

3/19/79 N-208-1 Fatigue Analysis for Precipitation Hardening Nickel Alloy Bolting Material to Specification SB-637 N07718 for Section III Division 1, Class 1 Construction

2/14/03 N-214 N-214-1 Use of SA-351, Grade CN7M, for Valves for Section III, Division 1, Construction

9/07/82

5/25/83 N-224 Use of ASTM A500 Grade B and ASTM A501 Structural Tubing for Welded Attachments for Section III, Class 2 and 3 Construction

5/11/81 N-237 Hydrostatic Testing of Internal Piping,Section III, Division 1

9/07/82 N-237-1 Hydrostatic Testing of Internal Piping,Section III, Division 1, Classes 2 and 3

5/25/83 N-242 Materials Certification,Section III, Division 1, Classes 1, 2, 3, MC, and CS

Construction

4/10/80

Applicants should identify the components and supports requiring the use of paragraphs

1.0 through 4.0 of the Code Case in their safety analysis reports.

N-246 Use of SB-169 Alloy CA614,Section III, Division 1, Class 3

9/07/82 N-246-1 SB-169, Alloy C 61400,Section III, Division 1, Class 3

5/25/83 N-249 Additional Materials for Component Supports Fabricated Without Welding,Section III,

Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports

5/11/81 Footnote 2 of the Code Case should apply to all materials listed in Tables 1, 2, 3, 4, and

5 of the Code Case and should be so indicated on line 5 of the Reply.

N-249-1 Additional Materials for Component Supports Fabricated Without Welding,Section III,

Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports

6/17/82 Paragraph 7 of the Reply should reference the requirements of NF-2600 instead of NF-2800. This is a typographical error in that NF-2800 does not exist.

RG 1.84, Page 42 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-249-2 N-249-3 Additional Materials for Subsection NF Class 1, 2, 3, and MC Component Supports Fabricated Without Welding,Section III, Division 1

2/14/83

2/20/84 N-249-4 N-249-5 Additional Material for Subsection NF, Classes 1, 2, 3, and MC Component Supports Fabricated Without Welding,Section III, Division 1

9/17/84

4/08/85 The fracture toughness requirements as listed in Code Case N-249-4 apply only to piping supports and not to Classes 1, 2, and 3 component supports. The fracture toughness of Classes 1, 2, and 3 component supports should be characterized in accordance with Section 5.3.4 of NUREG-0800, or on a case-by-case basis.

N-249-6 N-249-7 N-249-8 N-249-9 N-249-10

N-249-11 N-249-12 N-249-13 Additional Material for Subsection NF, Classes 1, 2, 3, and MC Component Supports Fabricated Without Welding,Section III, Division 1

9/05/85

12/05/85

12/16/86

5/06/89

5/13/91

2/12/93

5/11/94

12/08/00

The fracture toughness requirements apply only to piping supports and not to Classes 1,

2, and 3 component supports. The fracture toughness of Classes 1, 2, and 3 component supports should be characterized in accordance with Section 5.3.4 of NUREG-0800 or on a case-by-case basis. The following is to be added to paragraph (5) of the Code Case: For these cases, it should be demonstrated by the Owner that: (1) the impact test results for the material meet Code requirements, and (2) the material is not subject to stress corrosion cracking by virtue of the fact that: (a) a corrosive environment is not present and (b) the component that contains the material has essentially no residual stresses or assembly stresses, and it does not experience frequent sustained loads in service.

N-260

Weld Repair of SA-182 Type 316 Forgings,Section III, Division 1, Classes 1, 2, 3, and MC

7/18/85 N-260-1 Weld Repair of SA-182 Type 316 Forgings,Section III, Division 1, Classes 1, 2, 3, and MC

12/05/85 Type 308 L welding materials should not be used to repair grade F 316 N forgings because of the difference in strength levels.

N-265 Modified SA-487 Castings,Section III, Division 1, Class 1

5/19/85 N-284-1 Metal Containment Shell Buckling Design Methods,Section III, Division 1, Class MC

10/02/00

This Code Case is listed in Regulatory Guide 1.193.

N-284-2 Metal Containment Shell Buckling Design Methods,Section III, Division 1, Class MC

1/10/07 N-299 Use of Nickel-Chromium-Molybdenum-Columbium Alloy 625 Forgings,Section III, Division 1, Class 2 and Class 3 Components

7/18/85 N-304 N-304-1 N-304-2 N-304-3 Use of 20 Cr-25Ni-6Mo (Alloy UNS N08366) Welded Tubes for Section III, Division 1, Classes 2 and 3 Construction

7/12/84

5/19/85

12/05/85

2/23/87 N-309 Identification of Materials for Component Supports,Section III, Division 1

5/11/84

RG 1.84, Page 43 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-318 N-318-1 N-318-2 N-318-3 N-318-4 Procedure for Evaluation of the Design of Rectangular Cross Section Attachments on Class 2 or 3 Piping,Section III, Division 1

2/20/84

7/12/84

9/05/85

12/11/89

4/28/94 Applicants should identify in their safety analysis report:

(1)

the method of lug attachment,

(2)

the piping system involved, and

(3)

the location in the system where the Code Case is to be applied.

N-319 N-319-1 N-319-2 Alternate Procedure for Evaluation of Stresses in Butt Weld Elbows in Class 1 Piping,Section III, Division 1

7/24/89

8/14/90

1/17/00

N-321 Use of Modified SA-249, Type 304,Section III, Division 1, Class 1 Construction

12/05/85 N-337 Use of ASTM B 525-70 Grade II, Type II, Sintered Austenitic Stainless Steel for Class 2, 3, and MC Component Standard Supports,Section III, Division 1

7/18/85 N-345 Attachment of AMS 5382 Alloy 31 Seat Rings by Friction Welding,Section III,

Division 1, Classes 1, 2, and 3

12/13/82 N-352 Use of SA-638 Grade 660 Forgings and Bars Below 700F Without Stress Rupture Tests,Section III, Division 1

7/18/85 N-362 Alternate Rules for Pressure Testing of Containment Items,Section III,

Division 1

12/13/82 N-362-1 Pressure Testing of Containment Items,Section III, Division 1, Classes 1, 2, and MC

7/12/84 N-370

N-370-1 Modified SA-705 Grade XM-13 Forgings,Section III, Division 1

7/18/85

12/05/85 N-371

12Cr-1W-1Mo-1/4V Martensitic Stainless Steel Valve Internals,Section III, Division 1

7/18/85 N-373-1 N-373-2 Alternative PWHT Time at Temperature for P-No. 5 Material,Section III, Division 1, Classes 1, 2, and 3

9/07/01

11/02/04 N-379 Bimetallic Tubing Section III, Division 1, Class 1

7/18/85 N-383 Weld Repair of SA-182 Austenitic Forgings,Section III, Division 1, Classes 1, 2, and 3

7/18/85 Applicants who apply the provisions of the Code Case to permit material manufacturers to weld repair austenitic forgings without resolution heat treatment should provide justification to the NRC staff (via the safety analysis report) why this is acceptable for their applications, including their evaluation of the susceptibility for stress corrosion cracking.

N-391 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Class 1 Piping,Section III, Division 1

7/24/89 N-391-1 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Class 1 Piping,Section III, Division 1

8/24/95 The following typographical errors need to be corrected:

(1)

In equation (3) the + sign should be changed to an = sign, and

(2)

In equation (4) the first + sign should be changed to an = sign.

N-392 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Classes 2 and 3 Piping,Section III, Division 1

12/11/89

RG 1.84, Page 44 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-392-1 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Classes 2 and 3 Piping,Section III, Division 1

12/11/92 Applicants should identify in their safety analysis report:

(1)

the method of lug attachment,

(2)

the piping system involved, and

(3)

the location in the system where the Code Case is to be applied.

N-392-2 Procedure for Evaluation of the Design of Hollow Circular Cross Section Welded Attachments on Classes 2 and 3 Piping,Section III, Division 1

12/12/94 Applicants should identify in their safety analysis report:

(1)

the method of lug attachment,

(2)

the piping system involved, and

(3)

the location in the system where the Code Case is to be applied.

N-411 Alternative Damping Values for Seismic Analysis of Classes 1, 2, and 3 Piping Sections,Section III, Division 1

2/20/86

(1)

The damping values specified may be used in analyzing piping response for seismic and other dynamic loads being filtered through building structures provided response mode frequencies are limited to 33 Hz and below. Within this range, the Code Case damping should be used completely and consistently, if used at all. [For equipment other than piping, the damping values specified in Regulatory Guide 1.61 should be used.]

(2)

The damping values specified may be used only in those analyses in which current seismic spectra and procedures have been employed. Such use should be limited only to response spectral analyses [similar to that used in the study supporting its acceptance, NUREG/CR-3526]. The acceptance of the use with other types of dynamic analyses (e.g., time-history analysis) is pending further justification.

(3)

When used for reconciliation work or for support optimization of existing designs, the effects of increased motion on existing clearances and on line mounted equipment should be checked.

(4)

This Code Case is not appropriate for analyzing the dynamic response of piping systems using supports designed to dissipate energy by yielding (i.e., the design of which is covered by Code Case N-420).

(5)

This Code Case is not applicable to piping in which stress corrosion cracking has occurred unless a case-specific evaluation is made and is reviewed by the NRC

staff.

N-418 Use of Seamless Ni-Fe-Cr-Mo-Cu Low Carbon (UNS N08028 and UNS N08904)

Tubing,Section III, Division 1, Classes 2 and 3

7/30/86 N-438 N-438-1 N-438-2 Fe-24.5Ni-21Cr-6.5 Mo-0.2N (Alloy UNS N08367) Seamless and Welded Pipe, Tube, Plate, Bar, Fittings, and Forgings, Class 2 and 3 Construction,Section III, Division 1

3/08/89 Reinstated on

5/24/96

7/27/92 N-438-3 UNS N08367 Material,Section III, Division 1, Class 2 and 3 Construction

5/24/96

RG 1.84, Page 45 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-439 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Forgings, Plate, Seamless and Welded Pipe, and Welded Tube, Class 2 and 3 Construction,Section III,

Division 1

7/10/00

N-440

Use of 20Cr-18Ni-6Mo (Alloy UNS J93254) Castings, Class 2 and 3 Construction,Section III, Division 1

7/10/00

N-441 N-441-1 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Fittings, Class 2 and 3 Construction,Section III, Division 1

11/25/92

7/10/00

N-443 N-443-1 High Yield Strength Cr-Mo Steel, Class 1 Components,Section III, Division 1

3/08/89

11/11/99 N-453 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) Welded Pipe for Class 2 and 3 Construction,Section III, Division 1

11/30/88 N-453-1 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) Seamless and Welded Pipe for Class 2 and 3 Construction,Section III, Division 1

4/30/92 N-453-2 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925 and N08926)

Seamless and Welded Pipe for Class 2 and 3 Construction,Section III, Division 1

12/12/95 N-454 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) Wrought Fittings for Class 2 and 3 Construction,Section III, Division 1

4/30/92 N-455 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS N08925) Forged Flanges and Fittings for Class 2 and 3 Construction,Section III, Division 1

4/30/92 N-466 Modified 9Cr-1Mo Material,Section III, Division 1, Classes 1, 2, and 3

4/30/90

N-469 Martensitic Stainless Steel for Class 1, 2, and 3 Components,Section III, Division 1

6/14/00

N-474 Design Stress Intensities and Yield Strength Values for Alloy 690 With a Minimum Yield Strength of 35 ksi, Class 1 Components,Section III, Division 1

3/05/90

N-474-1 Design Stress Intensities and Yield Strength Values for UNS N06690 With a Minimum Specified Yield Strength of 35 ksi, Class 1 Components,Section III, Division 1

12/09/93 N-484 Real Time Radioscopic Examination of Welds,Section III, Division 1

12/16/91 N-492 Grade 9 Titanium Alloy Tubing,Section III, Division 1, Class 1, 2, and 3

5/11/94 N-497 Use of Fe-Ni-Cr-Mo-N (C-N-3MN) Cast Materials,Section III, Division 1, Class 2 and 3 Construction

12/09/93 N-500

N-500-1 N-500-2 N-500-3 Alternative Rules for Standard Supports for Classes 1, 2, 3, and MC,Section III,

Division 1

12/09/93

8/14/01

2/20/04

8/05/11 N-510

Borated Stainless Steel for Class CS Core Support Structures and Class 1 Components,Section III, Division 1

12/12/94

RG 1.84, Page 46 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date N-520

N-520-1 N-520-2 N-520-3 N-520-4 Alternative Rules for Renewal of N-type Certificates for Plants Not in Active Construction,Section III, Division 1

10/26/94

5/09/03

11/01/07

11/10/09

3/13/12 N-564 N-564-1 UNS J93380, Alloy CD3MWCuN, Class 2 and 3 Construction,Section III, Division 1

7/30/98

12/31/96 N-570

N-570-1 Alternative Rules for Linear Piping and Linear Standard Supports for Classes 1, 2, 3, and MC, Section, III, Division 1

3/28/06

1/05/06 N-580

N-580-1 Use of Alloy 600 With Columbium Added,Section III, Division 1

5/26/97

5/20/98 N-594 Repairs to P-4 and P-5A Castings Without Postweld Heat Treatment Class 1, 2, and 3 Construction,Section III, Division 1

3/02/98 N-595-3 Requirements for Spent Fuel Storage Canisters,Section III, Division 1

4/08/02 The canisters must be made from austenitic stainless steel Type 304 or 316.

N-621 Ni-Cr-Mo Alloy (UNS N06022) Welded Construction to 800°F,Section III, Division 1

11/02/04 N-625 Ni-Cr-Mo Alloy (UNS N06059) Welded Construction to 800°F,Section III, Division 1

3/28/01 N-644 Weld Procedure Qualification for Procedures Exempt from PWHT in Class 1, 2, and 3 Construction,Section III, Division 1 Reinstated

2/14/03 N-655 Use of SA-738, Grade B, for Metal Containment Vessels, Class MC,Section III,

Division 1

2/25/02 For metal containment vessels up to 1.75 inch thick:

(1) Supplementary Requirement S17, Vacuum Carbon-Deoxidized Steel, of Material Specification SA-738 must be applied to the material, and

(2) Supplementary Requirement S20, Maximum Carbon Equivalent for Weldability, of Material Specification SA-738 must be applied to the material.

N-757 Alternative Rules for Acceptability for Class 2 and 3 Valves (DN 25) and Smaller with Welded and Nonwelded End Connections Other than Flanges,Section III, Division 1

1/21/07 N-759 N-759-1 Alternative Rules for Determining Allowable External Pressure and Comprehensive Stresses for Cylinders, Cones, Spheres, and Formed Heads, Class 1, 2, and 3,Section III, Division 1

10/04/06

10/19/07 N-760

N-760-1 Welding of Valve Plugs to Valve Stem Retainers, Classes 1, 2, and 3,Section III,

Division 1

3/27/07

2/12/08

1332-6 Requirements for Steel Forgings,Section III, Division 1

3/01/79

1335-9 Requirements for Bolting Materials

8/28/78

1337-9

1337-10

Special Type 403 Modified Forgings or Bars,Section III

4/28/75

5/15/78

1395-3 SA-508, Class 2 Forgings with Modified Manganese Content,Section III or Section VIII, Division 2

1/08/79

1407-2 Time of Examination for Class 1, 2, and 3,Section III Vessels

7/01/74

RG 1.84, Page 47 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date

1414-3

1414-4 High Yield Strength Cr-Mo Steel for Section III, Division 1, Class 1 Vessels

3/1/76

8/9/77 The information required to be developed by Note 1 in the Code Case should be provided in each referencing safety analysis report.

1484-1 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600) at a Specified Minimum Yield Strength of 40.0 ksi,Section III, Class 1

11/04/74

1484-2 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at a Specified Minimum Yield Strength of 40.0 ksi,Section III, Class 1

8/13/76

1492 Post Weld Heat Treatment,Section I, III and VIII, Division 1 and 2

3/03/75

1508 Allowable Stresses, Design Intensity and/or Yield Strength Values,Section I, III, and VIII, Divisions 1 and 2

6/30/75

1516-1 Welding of Seats in Valves for Section III Applications

8/11/75

1540-1 Elastomer Diaphragm Valves,Section III, Classes 2 and 3

1/14/77

1541-1 Hydrostatic Testing of Embedded Class 2 and Class 3 Piping for Section III

Construction

9/30/76

1541-2 Hydrostatic Testing of Embedded Class 2 and Class 3 Piping for Section III, Division 1 Construction

5/15/78

1552 Design by Analysis of Section III, Class 1 Valves

8/29/77

1553 Upset Heading and Roll Threading of SA-453 for Bolting in Section III

3/03/75

1555 Certification of Safety Relief Valves on Liquids

1/14/77

1557-2 Steel Products Refined by Secondary Remelting

1/08/79

1606 Stress Criteria for Section III, Class 2 and 3 Piping Subjected to Upset, Emergency, and Faulted Operating Conditions

12/16/74 Code Case 1606 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.

1607 Stress Criteria for Section III, Classes 2 and 3 Vessels Subjected to Upset, Emergency, and Faulted Operating Conditions

11/04/74 Code Case 1607 was acceptable subject to the interpretation that the stress limit designations of Upset, Emergency, and Faulted do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.

1618 Material for Core Support Structures,Section III, Subsection NG

3/03/75 (a)

Welding of age-hardenable alloy SA-453 Grade 660 and SA-637 Grade 688 should be performed when the material is in the solution-treated condition.

(b)

Use of alloy ASTM A-564 Grade 631 is not acceptable on a generic basis.

RG 1.84, Page 48 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date

1618-1 Material for Core Support Structures,Section III, Subsection NG

3/01/76 Welding of age-hardenable alloy SA-453 Grade 660 and SA-637 Grade 688 should be performed when the material is in the solution-treated condition.

1626 Normalized and Tempered 1-1/4 Cr Low Alloy Steel Forgings,Section I, Section III, and Section VIII, Division 1 and 2

1/08/79

1634

1634-1 Use of SB-359 for Section III, Class 3 Construction

8/12/74

8/13/76

1644

1644-1

1644-2

1644-3 Additional Materials for Component Supports,Section III, Subsection NF, Class 1, 2, 3, and MC Construction

4/28/75

6/30/75

11/03/75

3/01/76 The maximum measured ultimate tensile strength of the component support material should not exceed 170 ksi.

1644-4

1644-5

1644-6 Additional Materials for Component Supports and Alternate Design Requirements for Bolted Joints,Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC

Construction

8/13/76

3/03/77

11/21/77 The maximum measured ultimate tensile strength (UTS) of the component support material should not exceed 170 ksi in view of the susceptibility of high-strength materials to brittleness and stress corrosion cracking. Certain applications may exist where a UTS value of up to 190 ksi could be considered acceptable for a material and, under this condition, the Design Specification should specify impact testing for the material. For these cases, it should be demonstrated by the applicant that

(1)

the impact test results for the material meet code requirements, and

(2)

the material is not subject to stress corrosion cracking by virtue of the fact that (a) a corrosive environment is not present and (b)

the component that contains the material has essentially no residual stresses or assembly stresses, and it does not experience frequent sustained loads in service.

1682 Alternate Rules for Material Manufacturers and Suppliers,Section III, Subarticle NA-3700

8/11/75

1683 Bolt Holes for Section III, Division 1, Class 1, 2, 3 and MC Component Supports

3/01/76

1689 Alternate PWHT Time and Temperature for SA-182 Grade F22,Section III, Class 1, 2,

3 and CS

9/10/76 The alternate postweld heat treatment should be prequalified along with the applicable welding procedure in accordance with ASME Section IX.

1695 Brazing,Section III, Class 3

11/03/75

1701 Determination of Capacities of Vacuum Relief Valves,Section III, Class MC

3/20/78

1702 Flanged Valves Larger than 24 inches for Section III, Class 1, 2 and 3 Construction

7/11/77

1714 Postweld Heat Treatment of P-1 Material,Section III, Class MC

7/11/77

1720

Weld End Preparation for Section III, Division Construction

3/01/76 Weld end preparations other than those shown in Figures 1, 2, and 3 of the Code Case are not acceptable on a generic basis. Such alternative end preparations should be treated on a case-by-case basis.

1720-1 Weld End Preparation for Section III, Division Construction

11/20/78

RG 1.84, Page 49 Code Case Number Table 5 Code Cases That Have Been Superseded by Revised Code Cases on or After July 1, 1974 Revision Date The acceptance of weld end preparations other than those shown in Figures 1, 2, and 3 of the Code Case should be evaluated on a case-by-case basis.

1722 Vacuum, Carbon Deoxidized SA-508 Forgings,Section III, Division 1, and VIII,

Division 1 and 2

1/08/79

1741 Interim Rules for the Required Number of Impact Tests for Rolled Shapes,Section III,

Division 1, Subsection NF, Component Supports

1/14/77

1755 Alternate Rules for Examination of Welds in Piping, Class 1 and 2 Construction,Section III, Division 1

1/14/77

1759 Material for Internal Pressure Retaining Items for Pressure Relief Valves,Section III,

Division 1, Class 1, 2, and 3

5/15/78 Applicants using this Case should also use Code Case 1711 for the design of pressure relief valves.

1761 Use of SG-148 Alloy CA954 for Section III, Division 1, Class 2 or 3 Flanged End Valves

1/14/77

1769 Qualification of NDE Level III Personnel,Section III, Division 1

2/16/77

1774 Minimum Wall Thickness for Class 2 and 3 Valves,Section III, Division 1

7/11/77

1780

Hydrostatic Testing and Stamping of Pumps for Class 1 Construction,Section III, Division 1

3/10/78 Each licensing application in which the Code Case is to be used should present information that satisfactorily demonstrates that the subassembly tests adequately simulate the pressure loadings. Also, the closure fixture for the test subassembly should adequately simulate the rigidity of adjacent subassemblies and also simulate the interface loadings from adjacent subassemblies that would result from a hydrostatic pressure test of a complete pump assembly. As a minimum, the closure fixture should impose loads that result in stresses equal to or greater than those induced during the hydrostatic test of a complete pump assembly. It is not intended that piping reactor loadings be simulated in the hydrostatic testing

1783 Qualification of Nondestructive Personnel,Section III, Division 1

1/14/77 The first sentence of paragraph (1) should be replaced with the following: The certification of the Level III nondestructive examination personnel for the purposes of this Section of the Code shall be the responsibility of the employer of the Level III

individual. If the employer is not a Certificate Holder, then the verification of such certificate is the responsibility of the Certificate Holder.

RG 1.84, Page 50

D. IMPLEMENTATION

The purpose of this section is to provide information to applicants and licensees regarding the NRC

staffs plans for using this regulatory guide. The requirements addressing implementation of Section III

Code Cases are contained in 10 CFR 50.55a(b)(4). No backfit is intended or approved in connection with the issuance of this guide.

REGULATORY ANALYSIS

A separate regulatory analysis was not prepared for this regulatory guide. The regulatory analysis for this guide is the regulatory analysis prepared for the amendment to 10 CFR 50.55a, Codes and Standards. The amendment to 10 CFR 50.55a incorporates this regulatory guide by reference.

RG 1.84, Page 51 REFERENCES1

1.

Code of Federal Regulations, Title 10, Energy, Part 50, Domestic Licensing of Production and Utilization Facilities (10 CFR Part 50), U.S. Nuclear Regulatory Commission, Washington, DC.

2.

ASME Boiler and Pressure Vessel Code,Section III, Rules for Construction of Nuclear Power Plant Components, Division I, American Society of Mechanical Engineers, New York, NY.2

3.

Regulatory Guide 1.147, Inservice Inspection Code Case Acceptability, ASME Section XI,

Division 1, U.S. Nuclear Regulatory Commission, Washington, DC.

4.

Regulatory Guide 1.192, Operation and Maintenance Code Case Acceptability, ASME OM Code, U.S. Nuclear Regulatory Commission, Washington, DC.

5.

Regulatory Guide 1.193, ASME Code Cases Not Approved for Use, U.S. Nuclear Regulatory Commission, Washington, DC.

6.

Paperwork Reduction Act of 1995 (Public Law 104-13), United States Code, Title 44, Public Printing and Documents, Chapter 35, Coordination of Federal Information Policy

(44 U.S.C. 3501 et seq.), 104th Congress of the United States of America, Washington, DC.3

7.

ASTM A 262-70, Standard Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels, American Society for Testing and Materials, West Conshohocken, PA.4

8.

ASTM A 708-74, Practice for Detection of Susceptibility to Intergranular Corrosion in Severely Sensitized Austenitic Stainless Steels, American Society for Testing and Materials, West Conshohocken, PA.6

9.

Regulatory Guide 1.122, Development of Floor Design Response Spectra for Seismic Design of Floor-Supported Equipment or Components, U.S. Nuclear Regulatory Commission, Washington, DC.

1 Publicly available NRC published documents are available electronically through the NRC Library on the NRCs public Web site at: http://www.nrc.gov/reading-rm/doc-collections/. The documents can also be viewed on-line or printed for a fee in the NRCs Public Document Room (PDR) at 11555 Rockville Pike, Rockville, MD; the mailing address is USNRC PDR, Washington, DC 20555; telephone 301-415-4737 or (800) 397-4209; fax (301) 415-3548; and e-mail pdr.resource@nrc.gov.

2 Copies may be purchased from the American Society of Mechanical Engineers, Three Park Avenue, New York, NY

10016-5990; phone (212) 591-8500; fax (212) 591-8501; www.asme.org.

3 The Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.) is available electronically through the Federal Register Web site administered by the U.S. National Archives and Records Administration, at http://www.archives.gov/ federal- register/laws/paperwork-reduction/

4 Copies of ASTM standards may be purchased from the American Society for Testing and Materials, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, Pennsylvania 19428-2959; phone (610) 832-9585. Purchase information is available through the ASTM Web site at http://www.astm.org.

RG 1.84, Page 52

10. Regulatory Guide 1.61, Damping Values for Seismic Design of Nuclear Power Plants, U.S.

Nuclear Regulatory Commission, Washington, DC.

11. NUREG/CR-3526, Impact of Changes in Damping and Spectrum Peak Broadening on the Seismic Response of Piping Systems, U.S. Nuclear Regulatory Commission, Washington, DC.

12. Regulatory Guide 1.31, Control of Ferrite Content in Stainless Steel Weld Metal, U.S. Nuclear Regulatory Commission, Washington, DC.

13. Regulatory Guide 1.44, Control of the Use of Sensitized Stainless Steel, U.S. Nuclear Regulatory Commission, Washington, DC.

14. Regulatory Guide 1.67, Installation of Over-Pressure Protection Devices, U.S. Nuclear Regulatory Commission, Washington, DC.

15. NUREG-0800, Standard Review Plan for the Review of Safety Analysis Reports for Nuclear Power Plants (LWR Edition), Section 9.5.1, Fire Protection System, U.S. Nuclear Regulatory Commission, Washington, DC.

APPENDIX A

SUPPLEMENTS ADDRESSED IN REVISION 37 OF REGULATORY GUIDE 1.84

Appendix A to RG 1.84, Page A-1

Edition Supplement Number BNCS1 Approval Date of Code Cases in Supplement2

2007

11 November 10, 2009

2010

0

December 25, 2009

2010

1 April 9, 2010

2010

2 June 24, 2010

2010

3 September 20, 2010

2010

4 December 23, 2010

2010

5 March 24, 2011

2010

6 July 15, 2011

2010

7 October 14, 2011

2010

8 December 29, 2011

2010

9 April 4, 2012

2010

10

July 16, 2012

1 BNCS = ASME Board on Nuclear Codes and Standards

2 Publication of supplements approximately 6 months after BNCS approval.

APPENDIX B

NUMERICAL LISTING OF SECTION III CODE CASES IN

SUPPLEMENT 11 TO THE 2007 EDITION AND

SUPPLEMENTS 0 THROUGH 10 TO THE 2010 EDITION1

1 Except for Code Cases pertaining to: high temperature gas-cooled reactors; certain requirements in Section III, Division

2;Section III, Division 3; and liquid-metal.

2 Code Case is not acceptable for use; see Regulatory Guide 1.193, Revision 5 (Ref. 5).

3 Code Case N-500-3 not approved as it was superseded by Code Case N-500-4.

4 Code Case was approved for use in Revision 36 of Regulatory Guide 1.84.

Appendix B to RG 1.84, Page B-1

N-201-62 N-284-3 N-500-33 N-500-4 N-520-3 N-520-4 N-520-5 N-594-1 N-637-1 N-655-2 N-755-12 N-7612 N-763 N-777 N-785 N-7912 N-7922 N-7932 N-7942 N-7962 N-8014 N-8024 N-8042 N-8072 N-811 N-8122 N-815 N-816 N-817 N-8182 N-819 N-8202 N-822 N-8282

APPENDIX C

NUMERICAL LISTING OF SECTION III CODE CASES

AND TABLE WHERE EACH CODE CASE IS LISTED

1 Except for Code Cases pertaining to: high temperature gas-cooled reactors; certain requirements in Section III, Division

2;Section III, Division 3; and liquid-metal.

2 Code Case is not acceptable for use; see Rev. 5 of Regulatory Guide 1.193 (Ref. 5).

Appendix C to RG 1.84, Page C-1

N-1-7 [T3]

N-2 [T3]

N-3-10 [T3]

N-4-11 [T5]

N-4-12 [T5]

N-4-13 [T1]

N-5 [T5]

N-5-1 [T3]

N-6 [T3]

N-7 [T5]

N-7-1 [T1]

N-9-4 [T3]

N-10 [T3]

N-11-5 [T4]

N-15 [T3]

N-17 [T3]

N-20 [T5]

N-20-1 [T5]

N-20-2 [T5]

N-20-3 [T5]

N-20-4 [T3]

N-22 [T3]

N-24 [T3]

N-26 [T3]

N-30-1 [T3]

N-31 [T5]

N-31-1 [T4]

N-32-3 [T3]

N-32-4 [T4]

N-33 [T3]

N-35-1 [T3]

N-37-3 [T3]

N-41 [T3]

N-43 [T3]

N-46 [T3]

N-47-33 [T3]

N-48-2 [T3]

N-49-4 [T3]

N-50-1 [T3]

N-51-2 [T3]

N-55 [T5]

N-55-1 [T3]

N-56 [T3]

N-60 [T5]

N-60-1 [T5]

N-60-2 [T5]

N-60-3 [T5]

N-60-4 [T5]

N-60-5 [T2]

N-61 [T3]

N-62-2 [T5]

N-62-3 [T5]

N-62-4 [T5]

N-62-5 [T5]

N-62-6 [T5]

N-62-7 [T2]

N-65-1 [T3]

N-66-1 [T3]

N-68 [T3]

N-71-7 [T5]

N-71-8 [T5]

N-71-9 [T5]

N-71-10 [T5]

N-71-11 [T5]

N-71-12 [T5]

N-71-13 [T5]

N-71-14 [T5]

N-71-15 [T5]

N-71-16 [T5]

N-71-17 [T5]

N-71-18 [T2]

N-77 [T3]

N-81 [T3]

N-82 [T3]

N-84 [T3]

N-90 [T3]

N-92 [T4]

N-94 [T3]

N-95-1 [T5]

N-95-2 [T3]

N-96-1 [T3]

N-100 [T4]

N-101 [T3]

N-102-1 [T5]

N-102-2 [T3]

N-106-2 [T4]

N-107-1 [T3]

N-108 [T3]

N-109 [T3]

N-110 [T4]

N-111 [T3]

N-114 [T3]

N-115 [T3]

N-116 [T4]

N-119-2 [T5]

N-119-3 [T5]

N-119-4 [T5]

N-119-5 [T5]

N-119-6 [T3]

N-121 [T3]

N-122 [T5]

N-122-2 [T1]

N-123 [T3]

N-124 [T3]

N-125 [T3]

N-126 [T3]

N-127 [T3]

N-131-1 [T1]

N-133 [T5]

N-133-1 [T5]

N-133-2 [T5]

N-133-3 [T1]

N-139 [T3]

N-140 [T3]

N-142-1 [T3]

N-146-1 [T4]

N-147 [T3]

N-148 [T3]

N-154 [T5]

N-154-1 [T1]

N-155-2 [T2]

N-156 [T3]

N-157 [T3]

N-158 [T3]

N-159 [T3]

N-160 [T5]

N-160-1 [T3]

N-171 [T1]

N-174 [T3]

N-175 [T4]

N-176-1 [T3]

N-177 [T3]

N-178 [T3]

N-179 [T3]

N-180 [T3]

N-181 [T3]

N-182 [T3]

N-183 [T3]

N-184 [T3]

N-188 [T5]

N-188-1 [T3]

N-189 [T3]

N-190 [T3]

N-192 [T5]

N-192-1 [T5]

N-192-2 [T5]

N-192-3 [T1]

N-193 [T3]

APPENDIX C

NUMERICAL LISTING OF SECTION III CODE CASES

AND TABLE WHERE EACH CODE CASE IS LISTED

Appendix C to RG 1.84, Page C-2

N-196 [T5]

N-196-1 [T3]

N-199 [T4]

N-201-62 N-204 [T3]

N-205 [T1]

N-206 [T3]

N-207 [T5]

N-207-1 [T3]

N-208-1 [T5]

N-208-2 [T4]

N-212 [T3]

N-213 [T1]

N-214 [T5]

N-214-1 [T5]

N-214-2 [T3]

N-215 [T3]

N-217-1 [T3]

N-220 [T3]

N-223 [T3]

N-224 [T5]

N-224-1 [T3]

N-225 [T3]

N-226 [T3]

N-227 [T3]

N-228 [T3]

N-229 [T3]

N-231 [T3]

N-233 [T3]

N-237 [T5]

N-237-1 [T5]

N-237-2 [T3]

N-238 [T4]

N-240 [T3]

N-241 [T3]

N-242 [T5]

N-242-1 [T4]

N-243 [T3]

N-245 [T3]

N-246 [T5]

N-246-1 [T5]

N-246-2 [T3]

N-247 [T3]

N-248 [T3]

N-249 [T5]

N-249-1 [T5]

N-249-2 [T5]

N-249-3 [T5]

N-249-4 [T5]

N-249-5 [T5]

N-249-6 [T5]

N-249-7 [T5]

N-249-8 [T5]

N-249-9 [T5]

N-249-10 [T5]

N-249-11 [T5]

N-249-12 [T5]

N-249-13 [T5]

N-249-14 [T2]

N-252 [T4]

N-259 [T3]

N-260 [T5]

N-260-1 [T5]

N-260-2 [T4]

N-261 [T3]

N-262 [T3]

N-263 [T4]

N-265 [T5]

N-265-1 [T3]

N-267 [T3]

N-271 [T3]

N-272 [T3]

N-274 [T4]

N-275 [T4]

N-276 [T3]

N-277 [T3]

N-279 [T4]

N-280 [T3]

N-281 [T3]

N-282 [T3]

N-284-12 N-284-2 [T5]

N-284-3 [T1]

N-292 [T4]

N-294 [T3]

N-295 [T3]

N-296 [T3]

N-298 [T3]

N-299 [T5]

N-299-1 [T3]

N-300 [T3]

N-302 [T3]

N-304 [T5]

N-304-1 [T5]

N-304-2 [T5]

N-304-3 [T5]

N-304-4 [T3]

N-309 [T5]

N-309-1 [T3]

N-310-1 [T4]

N-313 [T3]

N-314 [T4]

N-315 [T1]

N-316 [T3]

N-317 [T3]

N-318 [T5]

N-318-1 [T5]

N-318-2 [T5]

N-318-3 [T5]

N-318-4 [T5]

N-318-5 [T1]

N-319 [T5]

N-319-1 [T5]

N-319-2 [T5]

N-319-3 [T1]

N-320 [T3]

N-321 [T5]

N-321-1 [T3]

N-324 [T3]

N-328 [T3]

N-329 [T3]

N-336 [T3]

N-337 [T5]

N-337-1 [T3]

N-339 [T3]

N-341 [T3]

N-342 [T3]

N-345 [T5]

N-345-1 [T3]

N-346 [T3]

N-347 [T3]

N-348 [T4]

N-348-1 [T4]

N-348-2 [T4]

N-349 [T3]

N-350 [T4]

N-351 [T1]

N-352 [T5]

N-352-1 [T3]

N-353 [T3]

N-354-1 [T3]

N-355 [T3]

N-357 [T3]

N-359 [T3]

N-362 [T5]

N-362-1 [T5]

N-362-2 [T3]

N-367 [T3]

N-368 [T3]

N-369 [T1]

N-370 [T5]

N-370-1 [T5]

N-370-2 [T3]

N-371 [T5]

N-371-1 [T3]

N-372 [T3]

N-373-1 [T5]

N-373-2 [T5]

N-373-3 [T1]

N-376 [T3]

N-377 [T3]

N-378 [T3]

N-379 [T5]

N-379-1 [T3]

N-383 [T5]

N-383-1 [T4]

N-384-1 [T3]

N-387 [T3]

APPENDIX C

NUMERICAL LISTING OF SECTION III CODE CASES

AND TABLE WHERE EACH CODE CASE IS LISTED

Appendix C to RG 1.84, Page C-3

N-388 [T3]

N-391 [T5]

N-391-1 [T5]

N-391-2 [T1]

N-392 [T5]

N-392-1 [T5]

N-392-2 [T5]

N-392-3 [T1]

N-393 [T3]

N-394 [T3]

N-395 [T3]

N-397 [T4]

N-398 [T4]

N-403 [T3]

N-404 [T4]

N-405-1 [T1]

N-410 [T3 N-411 [T5]

N-411-1 [T4]

N-412 [T3]

N-413 [T3]

N-414 [T3]

N-418 [T5]

N-418-1 [T3]

N-420 [T3]

N-421 [T3]

N-430 [T4]

N-433 [T3]

N-438 [T5]

N-438-1 [T1][T5]

N-438-2 [T5]

N-438-3 [T5]

N-438-4 [T3]

N-439 [T5]

N-439-1 [T3]

N-440 [T5]

N-440-1 [T3]

N-441 [T5]

N-441-1 [T5]

N-441-2 [T3]

N-442 [T3]

N-443 [T5]

N-443-1 [T5]

N-443-2 [T3]

N-451 [T3]

N-452 [T1]

N-453 [T5]

N-453-1 [T5]

N-453-2 [T5]

N-453-3 [T1]

N-454 [T5]

N-454-1 [T1]

N-455 [T5]

N-455-1 [T1]

N-459 [T3]

N-462 [T3]

N-464 [T3]

N-466 [T5]

N-466-1 [T3]

N-468 [T3]

N-469 [T5]

N-469-1 [T1]

N-470 [T3]

N-474 [T5]

N-474-1 [T5]

N-474-2 [T3]

N-475 [T3]

N-476 [T3]

N-482 [T3]

N-483-22 N-483-32 N-484 [T5]

N-484-1 [T3]

N-492 [T5]

N-492-1 [T3]

N-493 [T1]

N-497 [T5]

N-497-1 [T3]

N-500 [T5]

N-500-1 [T5]

N-500-2 [T5]

N-500-3 [T5]

N-500-4 [T1]

N-501 [T3]

N-502 [T3]

N-505 [T1]

N-507 [T3]

N-510 [T5]

N-5102 N-510-12 N-511 [T1]

N-5192 [T3]

N-520 [T5]

N-520-1 [T5]

N-520-2 [T5]

N-520-3 [T5]

N-520-4 [T5]

N-520-5 [T1]

N-525 [T1]

N-5302 N-539 [T1]

N-540 [T3]

N-548 [T1]

N-549 [T3]

N-550 [T3]

N-551 [T3]

N-558 [T1]

N-559 [T3]

N-564 [T5]

N-564-1 [T5]

N-564-2 [T1]

N-5652 N-570 [T5]

N-570-1 [T5]

N-570-2 [T1]

N-572 [T1]

N-579 [T1]

N-580 [T5]

N-580-1 [T5]

N-580-2 [T1]

N-594 [T5]

N-594-1 [T1]

N-5952 N-595-12 N-595-22 N-595-3 [T5]

N-595-4 [T4]

N-596 [T3]

N-607 [T1]

N-608 [T3]

N-610 [T1]

N-611 [T1]

N-620 [T1]

N-621 [T5]

N-621-1 [T1]

N-625 [T5]

N-625-1 [T1]

N-626 [T2]

N-631 [T1]

N-632 [T1]

N-634 N-635 [T5]

N-635-1 [T1]

N-636 [T1]

N-637 [T5]

N-637-1 [T1]

N-642 [T1]

N-644 [T5]

N-644-1 [T1]

N-6452 N-645-12 N-646 [T1]

N-650 [T1]

N-655 [T5]

N-655-1 [T5]

N-655-2 [T1]

N-656 [T2]

N-657 [T1]

N-6592 N-659-12 N-659-22 N-6732 N-692 [T1]

N-6932 N-698 [T1]

N-699 [T1]

N-703 [T1]

N-7072

APPENDIX C

NUMERICAL LISTING OF SECTION III CODE CASES

AND TABLE WHERE EACH CODE CASE IS LISTED

Appendix C to RG 1.84, Page C-4

N-708 [T1]

N-710 [T1]

N-7212 N-725 [T1]

N-727 [T1]

N-7282 N-732 [T3]

N-736 [T1]

N-738 [T1]

N-741 [T1]

N-744 [T1]

N-746 [T1]

N-7552 N-755-12 N-756 [T1]

N-757 [T5]

N-757-1 [T2]

N-759 [T5]

N-759-1 [T5]

N-759-2 [T1]

N-760 [T5]

N-760-1 [T5]

N-760-2 [T1]

N-7612 N-763[T1]

N-767 [T1]

N-774 [T1]

N-777 [T1]

N-782 [T1]

N-785 [T1]

N-7912 N-7922 N-7932 N-7942 N-7962 N-801 [T1]

N-802 [T1]

N-8042 N-8072 N-811 [T1]

N-8122 N-815 [T1]

N-816 [T1]

N-817 [T1]

N-8182 N-819 [T1]

N-820

N-822 [T1]

N-8282

1141-7 [T3]

1332-6 [T5]

1335-9 [T5]

1337-9 [T5]

1337-10 [T5]

1361-2 [T4]

1395-3 [T5]

1407-2 [T5]

1412-4 [T4]

1414-3 [T5]

1414-4 [T5]

1423-2 [T4]

1434-1 [T3]

1461-1 [T3]

1470-2 [T3]

1471-1 [T3]

1475-1 [T3]

1477-1 [T3]

1484-1 [T5]

1484-2 [T5]

1492 [T5]

1494-1 [T3]

1506 [T3]

1508 [T5]

1515 [T3]

1516-1 [T5]

1521-1 [T4]

1528-3 [T4]

1529 [T3]

1531 [T3]

1532 [T3]

1533 [T3]

1535-2 [T3]

1536 [T3]

1540-1 [T5]

1541-1 [T5]

1541-2 [T5]

1552 [T5]

1553 [T5]

1553-1 [T3]

1555 [T5]

1555-1 [T3]

1557-2 [T5]

1567 [T3]

1568 [T3]

1569 [T4]

1573 [T3]

1574 [T3]

1580-1 [T3]

1581 [T3]

1583 [T3]

1587 [T3]

1590 [T3]

1601 [T3]

1602-1 [T3]

1603 [T3]

1605 [T3]

1606 [T5]

1606-1 [T4]

1607 [T5]

1607-1 [T4]

1608-1 [T3]

1613 [T3]

1614 [T3]

1614 [T3]

1615 [T3]

1616 [T3]

1618 [T5]

1618-1 [T5]

1622 [T3]

1623 [T3]

1625 [T3]

1626 [T5]

1633 [T3]

1634 [T5]

1634-1 [T5]

1635-1 [T4]

1636-1 [T4]

1637 [T3]

1644 [T5]

1644-1 [T5]

1644-2 [T5]

1644-3 [T5]

1644-4 [T5]

1644-5 [T5]

1644-6 [T5]

1645 [T3]

1648 [T3]

1649 [T3]

1650 [T3]

1651 [T3]

1657 [T3]

1659 [T3]

1661 [T3]

1662 [T3]

1664 [T3]

1666 [T3]

1672 [T3]

1675 [T3]

1676 [T3]

1678 [T3]

1682 [T5]

1682-1 [T3]

1683 [T5]

1683-1 [T3]

1684 [T3]

1685 [T3]

1686 [T3]

1689 [T5]

1689-1 [T4]

1690 [T3]

1691 [T3]

1695 [T5]

1701 [T5]

1702 [T5]

1703 [T3]

1706 [T3]

1713 [T3]

1714 [T5]

APPENDIX C

NUMERICAL LISTING OF SECTION III CODE CASES

AND TABLE WHERE EACH CODE CASE IS LISTED

Appendix C to RG 1.84, Page C-5

1718 [T3]

1719 [T3]

1720 [T5]

1720-1 [T5]

1722 [T5]

1728 [T3]

1740 [T3]

1741 [T5]

1741-1 [T3]

1742 [T3]

1743 [T3]

1755 [T5]

1759 [T5]

1760 [T3]

1761 [T5]

1765 [T3]

1766 [T3]

1767 [T3]

1768 [T3]

1769 [T5]

1769-1 [T3]

1773 [T3]

1774 [T5]

1775 [T3]

1777 [T3]

1780 [T5]

1783 [T5]

1783-1 [T4]

1787 [T3]

1798 [T3]

1808 [T3]

1810 [T3]


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