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{{#Wiki_filter:This regulatory guide is being issued in draft form to involve the public in the early stages of the development of a regulatory position in thisarea. It has not received complete staff review or approval and does not represent an official NRC staff position.Public comments are being solicited on this draft guide (including any implementation schedule) and its associated regulatory analysis orvalue/impact statement. Comments should be accompanied by appropriate supporting data. Written comments may be submitted to the Rulesand Directives Branch,  Office of Administration, U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001. Comments may besubmitted electronically or downloaded through the NRC's interactive web site at <WWW.NRC.GOV> through Rulemaking. Copies ofcomments received may be examined at the NRC Public Document Room, 11555 Rockville Pike, Rockville, MD. Comments will be most helpfulif received by  March 25, 2002.Requests for single copies of draft or active regulatory guides (which may be reproduced) or for placement on an automatic distribution list forsingle copies of future draft guides in specific divisions should be made to the U.S. Nuclear Regulatory Commission, Washington, DC 20555,Attention:  Distribution Services Section, or by fax to (301)415-2289; or by email to DISTRIBUTION@NRC.GOV. Electronic copies of this draftguide are available through NRC's interactive web site (see above), on the NRC's web site <WWW.NRC.GOV> in the Reference Library underRegulatory Guides, and in NRC's Electronic Reading Room at the same web site, under Accession Number ML013120011.
{{#Wiki_filter:U.S. NUCLEAR REGULATORY COMMISSION                                                      December 2001 OFFICE OF NUCLEAR REGULATORY RESEARCH                                                                  Division 1 DRAFT REGULATORY GUIDE Contact: W.E. Norris (301)415-6796 DRAFT REGULATORY GUIDE DG-1090 (Proposed Revision 32 of Regulatory Guides 1.84 and 1.85 Combined)
U.S. NUCLEAR REGULATORY COMMISSIONDecember 2001 OFFICE OF NUCLEAR REGULATORY RESEARCHDivision 1 DRAFT REGULATORY GUIDEContact: W.E. Norris (301)415-6796DRAFT REGULATORY GUIDE DG-1090(Proposed Revision 32 of Regulatory Guides 1.84 and 1.85 Combined)DESIGN, FABRICATION, AND MATERIALS CODE CASEACCEPTABILITY, ASME SECTION IIIA. INTRODUCTIONGeneral Design Criterion (GDC) 1, "Quality Standards and Records," of Appendix A,"General Design Criteria for Nuclear Power Plants," to 10 CFR Part 50, "Domestic Licensing of Production and Utilization Facilities," 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 requires, inpart, that components that are part of the reactor coolant pressure boundary be designed, fabricated, erected, and tested to the highest quality standards practical.Appendix B, "Quality Assurance Criteria for Nuclear Power Plants and Fuel ProcessingPlants," 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.Provisions of the American Society of Mechanical Engineers (ASME) Boiler and PressureVessel (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. ASME standards committees 1  Copies may be obtained 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.
DESIGN, FABRICATION, AND MATERIALS CODE CASE ACCEPTABILITY, ASME SECTION III A. INTRODUCTION General Design Criterion (GDC) 1, Quality Standards and Records, of Appendix A, General Design Criteria for Nuclear Power Plants, to 10 CFR Part 50, Domestic Licensing of Production and Utilization Facilities, 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.
2develop, among other things, improved methods for the construction and inserviceinspection (ISI) of ASME Class 1, 2, 3, MC (metal containment) and CC (concrete containment) nuclear power plant components. A broad spectrum of stakeholders participate in the ASME process, which helps to ensure that the various interests are considered.In 10 CFR 50.55a, "Codes and Standards," paragraph (c), "Reactor CoolantPressure Boundary," requires, in part, that components of the reactor coolant pressure boundary 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,"
Criterion 30, Quality of Reactor Coolant Pressure Boundary, of Appendix A requires, in part, that components that are part of the reactor coolant pressure boundary be designed, fabricated, erected, and tested to the highest quality standards practical.
1 of the ASME BPV Code or equivalent quality standards. The ASME publishes a new edition of the BPV Code, which includes Section III, every three years, and new addenda every year. The latest editions and addenda of Section III that have been approved for use by the NRC are referenced in paragraph 50.55a(b).
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.
Provisions of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel (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. ASME standards committees This regulatory guide is being issued in draft form to involve the public in the early stages of the development of a regulatory position in this area. It has not received complete staff review or approval and does not represent an official NRC staff position.
Public comments are being solicited on this draft guide (including any implementation schedule) and its associated regulatory analysis or value/impact statement. Comments should be accompanied by appropriate supporting data. Written comments may be submitted to the Rules and Directives Branch, Office of Administration, U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001. Comments may be submitted electronically or downloaded through the NRCs interactive web site at <WWW.NRC.GOV> through Rulemaking. Copies of comments received may be examined at the NRC Public Document Room, 11555 Rockville Pike, Rockville, MD. Comments will be most helpful if received by March 25, 2002.
Requests for single copies of draft or active regulatory guides (which may be reproduced) or for placement on an automatic distribution list for single copies of future draft guides in specific divisions should be made to the U.S. Nuclear Regulatory Commission, Washington, DC 20555, Attention: Distribution Services Section, or by fax to (301)415-2289; or by email to DISTRIBUTION@NRC.GOV. Electronic copies of this draft guide are available through NRCs interactive web site (see above), on the NRCs web site <WWW.NRC.GOV> in the Reference Library under Regulatory Guides, and in NRCs Electronic Reading Room at the same web site, under Accession Number ML013120011.
 
develop, among other things, 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 participate in the ASME process, which helps to ensure that the various interests are considered.
In 10 CFR 50.55a, Codes and Standards, paragraph (c), Reactor Coolant Pressure Boundary, requires, in part, that components of the reactor coolant pressure boundary 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,1 of the ASME BPV Code or equivalent quality standards.
The ASME publishes a new edition of the BPV Code, which includes Section III, every three years, and new addenda every year. The latest editions and addenda of Section III that have been approved for use by the NRC are referenced in paragraph 50.55a(b).
The ASME also publishes Code Cases quarterly. Code Cases provide alternatives developed and approved by ASME or explain the intent of existing Code requirements.
The ASME also publishes Code Cases quarterly. Code Cases provide alternatives developed and approved by ASME or explain the intent of existing Code requirements.
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 implemented through 10 CFR 50.55a(a)(3), which 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.The use of Code Cases contained in this guide is voluntary. The ASME Code isincorporated into 10 CFR 50.55a by reference. Code Cases approved by the NRC provide an acceptable voluntary alternative to the mandatory ASME Code provisions.
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 implemented through 10 CFR 50.55a(a)(3), which 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.
Thus, generic approval of a Code Case through this guide of an alternative to compliance with these provisions must be accomplished through an amendment to 10 CFR 50.55a. The NRC plans to publish for public comment an amendment to 10 CFR 50.55a that would incorporate this guide by reference. The proposed amendment will state the requirements governing the use of Code Cases. Because of the continuing change in the status of Code Cases, periodic updates to 10 CFR 50.55a and this guide are planned to accommodate new Code Cases and any revisions of existing Code
The use of Code Cases contained in this guide is voluntary. The ASME Code is incorporated into 10 CFR 50.55a by reference. Code Cases approved by the NRC provide an acceptable voluntary alternative to the mandatory ASME Code provisions.
Thus, generic approval of a Code Case through this guide of an alternative to compliance with these provisions must be accomplished through an amendment to 10 CFR 50.55a. The NRC plans to publish for public comment an amendment to 10 CFR 50.55a that would incorporate this guide by reference. The proposed amendment will state the requirements governing the use of Code Cases. Because of the continuing change in the status of Code Cases, periodic updates to 10 CFR 50.55a and this guide are planned to accommodate new Code Cases and any revisions of existing Code Cases.
The information collections contained in this draft regulatory guide are covered by the requirements of 10 CFR Part 50, which were approved by the Office of Management and Budget, approval number 3150-0011. If a means used to impose an information collection does not display a currently valid OMB control number, the NRC may not conduct or sponsor, and a person is not required to respond to, the information collection.
B. DISCUSSION Previously, Regulatory Guide 1.84 was titled Design and Fabrication Code Case Acceptability, ASME Section III, Division 1, and it listed only the Section III Code Cases 1
Copies may be obtained 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.
2
 
oriented to design and fabrication. Companion Regulatory Guide 1.85, Materials Code Case Acceptability, ASME Section III, Division 1, listed the Section III Code Cases oriented to materials and testing. Beginning with this revision, all Section III Code Cases that have been approved for use by the NRC will be listed in one guide. Hence, the title of Regulatory Guide 1.84 has been changed to Design, Fabrication, and Materials Code Case Acceptability, ASME Section III. It should be noted that with this Revision 32, Division 1 has been deleted from the title. Previous versions of the guide contained some Division 2 Code Cases, and this guide contains some Division 3 Code Cases.
Hence, the title change reflects the revised scope of Regulatory Guide 1.84. Regulatory Guide 1.85 will no longer be updated, but it will not be withdrawn at this time, as some Code Cases contained in Regulatory Guide 1.85 continue to be used.
For this Revision 32 of Regulatory Guide 1.84, the NRC staff reviewed the Section III Code Cases listed in Supplement 4 to the 1992 Edition through Supplement 11 to the 1998 Edition.2 Appendix A to the guide lists the supplements reviewed, the edition, and the Board on Nuclear Codes and Standards approval date. Appendix B is a numerical listing of the Code Cases addressed in these supplements. The Code Cases are listed in five tables: 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; Table 2, Conditionally Acceptable Section III Code Cases, contains those Code Cases that are acceptable provided that they are used with the identified limitations or modifications, i.e., the Code Case is generally acceptable but the NRC has determined that the alternative requirements must be supplemented in order to provide an acceptable level of quality and safety; Table 3, Annulled Unconditionally Approved Section III Code Cases, contains the Code Cases that have been annulled by the ASME; Table 4, Annulled Conditionally Acceptable Section III Code Cases, contains the Code Cases that the NRC determined to be acceptable provided that they are used with the identified limitations or modifications, but were subsequently annulled by the ASME; 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. Code Cases that the NRC determined to be unacceptable will be listed in a new regulatory guide, which is being developed as DG-1112, ASME Code Cases Not Approved for Use. It should be noted that Tables 1-5 provide comprehensive lists of Section III Code Cases since many older Code Cases are still in use; i.e., Section III, Division 1, applies only to new construction (the edition and addenda used in the construction of a plant were selected based upon the date of the construction permit and are not changed thereafter, except voluntarily by the licensee).
Code Cases provide alternatives to existing Code requirements that were developed and approved by the ASME. The NRC plans to incorporate by reference into 10 CFR 50.55a the Code Cases listed as approved in Tables 1 and 2 of this guide.
These Code Cases may be used voluntarily by licensees as an alternative to compliance with ASME Code provisions incorporated by reference into 10 CFR 50.55a.
The proposed amendment to 10 CFR 50.55a being developed would require that when a licensee initially implements a Code Case, the most recent version of that Code 2
Except for Code Cases pertaining to high temperature gas-cooled reactors; Section III, Division 2, requirements not endorsed by the NRC; liquid metal; and submerged spent fuel waste casks 3
 
Case as listed in Tables 1 and 2 be implemented. If a Code Case is implemented by a licensee and a later version of the Code Case is incorporated by reference into 10 CFR 50.55a and listed in Tables 1 and 2 during the licensees present ISI interval, that licensee will be able to use either the later version or the previous version (unless a specific limitation or condition is placed on the use of that Code Case, in which case the modification or limitation applies). Licensees who choose to continue use of the Code Case during the subsequent ISI interval will be required to implement the latest version incorporated by reference into 10 CFR 50.55a and listed in Tables 1 and 2.
Code Cases may be annulled because experience has shown that an examination or testing method is inadequate or the application for which it was specifically developed no longer exists. If a Code Case is incorporated by reference into Section 50.55a and later annulled by the ASME, the NRC will amend 10 CFR 50.55a and this guide to remove the approval of the annulled Code Case. Licensees should not begin to implement annulled Code Cases in advance of such rulemaking. After a Code Case is annulled and 10 CFR 50.55a and this guide are amended, licensees may not implement that Code Case for the first time. However, a licensee who implemented the Code Case prior to annulment may continue to use that Code Case (i) unless 10 CFR 50.55a specifically prohibits further use of the annulled Code Case or (ii) until the licensee voluntarily updates its Section III Code of record.
With regard to the use of any Code Case, it is the responsibility of the user to make certain that no regulatory requirements are violated and that there are no conflicts with other limitations resulting from Code Case usage.
C. REGULATORY POSITION
: 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. The ASME issues Section III Code Cases quarterly in supplements to a specific edition, i.e., a new edition of Section III is published every three years, and supplements are published quarterly. Hence, there are 12 supplements to each edition. To distinguish new and revised Code Cases from those approved in previous versions of the guide, new and revised Code Cases are shaded. The shading will assist in focusing attention during the public comment period on the changes to the guide. Column 3 of Table 1 lists the supplement and edition in which each Code Case was published (e.g., 7/95E means Code Case Supplement 7 to the 1995 Edition).
4


Cases.The information collections contained in this draft regulatory guide are covered bythe requirements of 10 CFR Part 50, which were approved by the Office of Management and Budget, approval number 3150-0011. If a means used to impose an information collection does not display a currently valid OMB control number, the NRC may not conduct or sponsor, and a person is not required to respond to, the information
TABLE 1 - ACCEPTABLE SECTION III CODE CASES CODE                                TABLE 1                          SUPPLEMEN CASE            ACCEPTABLE SECTION III CODE CASES                    T/EDITION NUMBER N-4-11  Special Type 403 Modified Forgings or Bars, Section III,          5/98E Division 1, Class 1 and CS, N-7-1    High Yield Strength Steel, Section III, Division 1, Class 1      9/98E N-20-4  SB-163, Cold Worked UNS N08800; and SB-163 UNS                    4/98E N06600, UNS N06690, and UNS N08800 to Supplementary Requirements S2 of SB-163, Section III, Division 1, Class 1 N-60-5  Material for Core Support Structures, Section III, Division 1    9/95E N-122-2  Procedure for Evaluation of the Design of Rectangular Cross      8/98E Section Attachments on Class 1 Piping, Section III, Division 1 N-131-1  Material for Internal Pressure Retaining Items for Pressure      9/98E (1759-1) Relief Valves, Section III, Division 1, Class 1, 2, and 3 N-133-3  Use of SB-148 Alloys 952 and 954, Section III, Division 1,        8/98E Class 3 N-154-1  Projection Resistance Welding of Valve Seats, Section III,        9/98E Division 1, Classes 1, 2, and 3 N-160-1  Finned Tubing for Construction, Section III, Division 1          8/98E N-171    Postweld Heat Treatment of P-No. 1 Material, Section III,        5/92E Division 2 N-192-2  Use of Braided Flexible Connectors, Section III, Division 1,      5/98E Class 2 and 3 N-205    Use of Ductile Iron SA-395, Section III, Division 1, Class 3      5/98E N-208-2  Fatigue Analysis for Precipitation Hardening Nickel Alloy        5/98E Bolting Material to Specification SA-637 N07718 for Class 1 Construction, Section III, Division 1 N-213    Welded Radial Shear Bar Assemblies, Section III, Division 2      5/98E N-243    Boundaries Within Castings Used for Core Support Structures,      9/95E Section III, Division 1, Class CS N-304-4  Use of 20Cr-25Ni-6Mo (Alloy UNS N08366) Plate, Sheet,            4/98E Strip, and Welded Pipe, Class 2 and 3, Section III, Division 1 N-315    Repair of Bellows, Section III, Division 1                        9/98E N-318-5  Procedure for Evaluation of the Design of Rectangular Cross      9/95E Section Attachments on Class 2 or 3 Piping, Section III, Division 1 5


collection.B. DISCUSSIONPreviously, Regulatory Guide 1.84 was titled "Design and Fabrication Code CaseAcceptability, ASME Section III, Division 1," and it listed only the Section III Code Cases 2  Except for Code Cases pertaining to high temperature gas-cooled reactors; Section III, Division 2, requirementsnot endorsed by the NRC; liquid metal; and submerged spent fuel waste casks 3oriented to design and fabrication. Companion Regulatory Guide 1.85, "Materials CodeCase Acceptability, ASME Section III, Division 1," listed the Section III Code Cases oriented to materials and testing. Beginning with this revision, all Section III Code Cases that have been approved for use by the NRC will be listed in one guide. Hence, the title of Regulatory Guide 1.84 has been changed to "Design, Fabrication, and Materials Code Case Acceptability, ASME Section III."  It should be noted that with this Revision 32, Division 1 has been deleted from the title. Previous versions of the guide contained some Division 2 Code Cases, and this guide contains some Division 3 Code Cases.
CODE                              TABLE 1                            SUPPLEMEN CASE              ACCEPTABLE SECTION III CODE CASES                    T/EDITION NUMBER N-319-3 Alternate Procedure for Evaluation of Stresses in Butt Welding      8/98E Elbows in Class 1 Piping, Section III, Division 1 N-329  Examination of Bar Material, Section III, Division 1, Class 1      6/98E N-345-1 Attachment of AMS 5382 Alloy 31 Seat Rings by Friction              10/98E Welding, Section III, Division 1, Classes 1, 2, and 3 N-351  Use of Subsize Charpy V-Notch Specimens, Section III,              8/98E Division 1 N-369  Resistance Welding of Bellows, Section III, Division 1             10/98E N-373-1 Alternative PWHT Time at Temperature for P-No. 5 Material,         1/98E Section III, Division 1, Classes 1, 2, and 3 N-387  Certification of Level III NDE Examiner, Section III, Division 2    1/98E N-391-2 Procedure for Evaluation of the Design of Hollow Circular          1/98E Cross Section Welded Attachments on Class 1 Piping, Section III, Division 1 N-392-3 Procedure for Evaluation of the Design of Hollow Circular          12/95E Cross Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 1 N-394  Restricting Lift to Achieve Reduced Relieving Capacities of        12/95E Full Lift, Nozzle Type, and Flat Seated Safety and Safety Relief Valves for Compressible Fluid Applications, Section III, Division 1, Classes 2 and 3 N-395  Laser Welding, Section III, Division 1                              1/98E N-405-1 Socket Welds, Section III, Division 1                               12/95E N-438-1 UNS N08367, Section III, Division 1, Class 2 and 3                Reinstated Construction                                                        5/95E N-439-1 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Forgings, Plate,           10/98E Seamless and Welded Pipe, and Welded Tube, Class 2 and 3 Construction, Section III, Division 1 N-440-1 Use of 20Cr-18Ni-6Mo (Alloy UNS J93254) Castings, Class 2           10/98E and 3 Construction, Section III, Division 1 N-441-2 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Fittings, Class 2          10/98E and 3 Construction, Section III, Division 1 N-452  Specialized Subcontracted Welding Process (Electron Beam            10/98E Welding), Section III, Division 1 6
Hence, the title change reflects the revised scope of Regulatory Guide 1.84. Regulatory Guide 1.85 will no longer be updated, but it will not be withdrawn at this time, as some Code Cases contained in Regulatory Guide 1.85 continue to be used.For this Revision 32 of Regulatory Guide 1.84, the NRC staff reviewed theSection III Code Cases listed in Supplement 4 to the 1992 Edition through Supplement 11 to the 1998 Edition.
2 Appendix A to the guide lists the supplements reviewed, theedition, and the Board on Nuclear Codes and Standards approval date. Appendix B is a numerical listing of the Code Cases addressed in these supplements. The Code Cases are listed in five tables: 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; Table 2, "Conditionally Acceptable Section III Code Cases," contains those Code Cases that are acceptable provided that they are used with the identified limitations or modifications, i.e., the Code Case is generally acceptable but the NRC has determined that the alternative requirements must be supplemented in order to provide an acceptable level of quality and safety; Table 3, "Annulled Unconditionally Approved Section III Code Cases," contains the Code Cases that have been annulled by the ASME; Table 4, "Annulled Conditionally Acceptable


Section III Code Cases," contains the Code Cases that the NRC determined to be acceptable provided that they are used with the identified limitations or modifications, but were subsequently annulled by the ASME; 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. Code Cases that the NRC determined to be unacceptable will be listed in a new regulatory guide, which is being developed as DG-1112, "ASME Code Cases Not Approved for Use."  It should be noted that Tables 1-5 provide comprehensive lists of Section III Code Cases since many older Code Cases are still in use; i.e., Section III, Division 1, applies only to new construction (the edition and addenda used in the construction of a plant were selected based upon the date of the construction permit and are not changed thereafter, except voluntarily by the licensee).Code Cases provide alternatives to existing Code requirements that weredeveloped and approved by the ASME. The NRC plans to incorporate by reference into 10 CFR 50.55a the Code Cases listed as approved in Tables 1 and 2 of this guide.
CODE                               TABLE 1                           SUPPLEMEN CASE            ACCEPTABLE SECTION III CODE CASES                      T/EDITION NUMBER N-453-3 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS            1/98E N08925) for Class 2 and 3 Construction, Section III, Division 1 N-454-1 Nickel-Chromium-Molybdenum-Copper Stainless Steels (UNS            10/98E N08925 and N08926) Wrought Fittings for Class 2 and 3 Construction, Section III, Division 1 N-455-1 Nickel-Chromium-Molybdenum-Copper Stainless Steels (UNS            10/98E N08925 and N08926) Forged Flanges and Fittings for Class 2 and 3, Section III, Division 1 N-464  Laser Welding of Lap Joints, Section III, Division 1, Classes 2    10/98E and 3 Construction N-469-1 Martensitic Stainless Steel for Class 1, 2, and 3 Components,     10/98E Section III, Division 1 N-493  Alternative Radiographic Acceptance Criteria for Vessels Used      6/98E as Shipping Casks, Section III, Division 1, Class 1 N-505  Alternative Rules for the Examination of Butt Welds Used as        12/95E Closure Welds for Electrical Penetration Assemblies in Containment Structures, Section III, Division 1 N-511  Design Temperature for Atmospheric and 0-15 psi Storage            4/92E Tanks, Section III, Division 1 N-520-1 Alternative Rules for Renewal of N-type Certificates for Plants    10/95E Not in Active Construction, Section III, Division 1 N-525  Design Stress Intensities and Yield Strength Values for UNS        6/98E N06690 With a Minimum Specified Yield Strength of 30 ksi, Class 1 Components, Section III, Division 1 N-539  UNS N08367 in Class 2 and 3 Valves, Section III, Division 1        12/95E N-548  Air Cooling of SA-182 Grades F304, F304L, F316, F316L              4/95E Forgings Instead of Liquid Quenching After Solution Heat Treatment, Class 1, 2, and 3, Section III, Division 1 N-550  Alternative Rules for Examination of Welds in Instrument          1/98E Tubing, Class 1 and 2, Section III, Division 1 N-558  Stamping of Class 2 Vessels Fabricated to Subsection NB,           6/95E Section III, Division 1 N-564-2 UNS J93380, Alloy CD3MWCuN, Class 2 and 3 Construction,           8/98E Section III, Division 1 N-570  Alternative Rules for Linear Piping and Linear Standard            6/95E Supports for Class 1, 2, 3, and MC 7
These Code Cases may be used voluntarily by licensees as an alternative to compliance with ASME Code provisions incorporated by reference into 10 CFR 50.55a.The proposed amendment to 10 CFR 50.55a being developed would require thatwhen a licensee initially implements a Code Case, the most recent version of that Code 4Case as listed in Tables 1 and 2 be implemented. If a Code Case is implemented by alicensee and a later version of the Code Case is incorporated by reference into 10 CFR 50.55a and listed in Tables 1 and 2 during the licensee's present ISI interval, that licensee will be able to use either the later version or the previous version (unless a specific limitation or condition is placed on the use of that Code Case, in which case the modification or limitation applies). Licensees who choose to continue use of the Code Case during the subsequent ISI interval will be required to implement the latest version incorporated by reference into 10 CFR 50.55a and listed in Tables 1 and 2.Code Cases may be annulled because experience has shown that anexamination or testing method is inadequate or the application for which it was specifically developed no longer exists. If a Code Case is incorporated by reference into Section 50.55a and later annulled by the ASME, the NRC will amend 10 CFR 50.55a and this guide to remove the approval of the annulled Code Case. Licensees should not begin to implement annulled Code Cases in advance of such rulemaking. After a Code Case is annulled and 10 CFR 50.55a and this guide are amended, licensees may not implement that Code Case for the first time. However, a licensee who implemented the Code Case prior to annulment may continue to use that Code Case (i) unless 10 CFR 50.55a specifically prohibits further use of the annulled Code Case or (ii) until the licensee voluntarily updates its Section III Code of record.With regard to the use of any Code Case, it is the responsibility of the user tomake certain that no regulatory requirements are violated and that there are no conflicts with other limitations resulting from Code Case usage.C. REGULATORY POSITION1. ACCEPTABLE CODE CASESThe Code Cases listed in Table 1 below are acceptable to the NRC forapplication in the design and construction of components and their supports for water-cooled nuclear power plants. The ASME issues Section III Code Cases quarterly in supplements to a specific edition, i.e., a new edition of Section III is published every three years, and supplements are published quarterly. Hence, there are 12 supplements to each edition. To distinguish new and revised Code Cases from those approved in previous versions of the guide, new and revised Code Cases are shaded. The shading will assist in focusing attention during the public comment period on the changes to the guide. Column 3 of Table 1 lists the supplement and edition in which each Code Case was published (e.g., 7/95E means Code Case Supplement 7 to the 1995 Edition).
5TABLE 1 - ACCEPTABLE SECTION III CODE CASESCODE CASENUMBERTABLE 1ACCEPTABLE SECTION III CODE CASESSUPPLEMENT/EDITIONN-4-11Special Type 403 Modified Forgings or Bars, Section III,Division 1, Class 1 and CS, 5/98EN-7-1High Yield Strength Steel, Section III, Division 1, Class 19/98EN-20-4SB-163, Cold Worked UNS N08800; and SB-163 UNSN06600, UNS N06690, and UNS N08800 to Supplementary Requirements S2 of SB-163, Section III, Division 1, Class 14/98EN-60-5Material for Core Support Structures, Section III, Division 19/95EN-122-2Procedure for Evaluation of the Design of Rectangular CrossSection Attachments on Class 1 Piping, Section III, Division 18/98EN-131-1(1759-1)Material for Internal Pressure Retaining Items for PressureRelief Valves, Section III, Division 1, Class 1, 2, and 39/98EN-133-3Use of SB-148 Alloys 952 and 954, Section III, Division 1, Class 38/98EN-154-1Projection Resistance Welding of Valve Seats, Section III,Division 1, Classes 1, 2, and 39/98EN-160-1Finned Tubing for Construction, Section III, Division 18/98EN-171Postweld Heat Treatment of P-No. 1 Material, Section III, Division 25/92EN-192-2Use of Braided Flexible Connectors, Section III, Division 1, Class 2 and 35/98EN-205Use of Ductile Iron SA-395, Section III, Division 1, Class 35/98EN-208-2Fatigue Analysis for Precipitation Hardening Nickel AlloyBolting Material to Specification SA-637 N07718 for Class 1 Construction, Section III, Division 15/98EN-213Welded Radial Shear Bar Assemblies, Section III, Division 25/98EN-243Boundaries Within Castings Used for Core Support Structures,Section III, Division 1, Class CS9/95EN-304-4Use of 20Cr-25Ni-6Mo (Alloy UNS N08366) Plate, Sheet,Strip, and Welded Pipe, Class 2 and 3, Section III, Division 14/98EN-315Repair of Bellows, Section III, Division 19/98EN-318-5Procedure for Evaluation of the Design of Rectangular CrossSection Attachments on Class 2 or 3 Piping, Section III, Division 19/95E CODE CASENUMBERTABLE 1ACCEPTABLE SECTION III CODE CASESSUPPLEMENT/EDITION 6N-319-3Alternate Procedure for Evaluation of Stresses in Butt WeldingElbows in Class 1 Piping, Section III, Division 18/98EN-329Examination of Bar Material, Section III, Division 1, Class 16/98EN-345-1Attachment of AMS 5382 Alloy 31 Seat Rings by FrictionWelding, Section III, Division 1, Classes 1, 2, and 310/98EN-351Use of Subsize Charpy V-Notch Specimens, Section III, Division 18/98EN-369Resistance Welding of Bellows, Section III, Division 110/98EN-373-1Alternative PWHT Time at Temperature for P-No. 5 Material,Section III, Division 1, Classes 1, 2, and 31/98EN-387Certification of Level III NDE Examiner, Section III, Division 21/98EN-391-2Procedure for Evaluation of the Design of Hollow CircularCross Section Welded Attachments on Class 1 Piping, SectionIII, Division 11/98EN-392-3Procedure for Evaluation of the Design of Hollow CircularCross Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 112/95EN-394Restricting Lift to Achieve Reduced Relieving Capacities ofFull Lift, Nozzle Type, and Flat Seated Safety and Safety Relief Valves for Compressible Fluid Applications, Section III, Division 1, Classes 2 and 312/95EN-395Laser Welding, Section III, Division 11/98EN-405-1Socket Welds, Section III, Division 112/95EN-438-1UNS N08367, Section III, Division 1, Class 2 and 3ConstructionReinstated5/95EN-439-1Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Forgings, Plate,Seamless and Welded Pipe, and Welded Tube, Class 2 and 3 Construction, Section III, Division 110/98EN-440-1Use of 20Cr-18Ni-6Mo (Alloy UNS J93254) Castings, Class 2and 3 Construction, Section III, Division 110/98EN-441-2Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Fittings, Class 2and 3 Construction, Section III, Division 110/98EN-452Specialized Subcontracted Welding Process (Electron BeamWelding), Section III, Division 110/98E CODE CASENUMBERTABLE 1ACCEPTABLE SECTION III CODE CASESSUPPLEMENT/EDITION 7N-453-3Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNSN08925) for Class 2 and 3 Construction, Section III, Division 11/98EN-454-1Nickel-Chromium-Molybdenum-Copper Stainless Steels (UNSN08925 and N08926) Wrought Fittings for Class 2 and 3 Construction, Section III, Division 110/98EN-455-1Nickel-Chromium-Molybdenum-Copper Stainless Steels (UNSN08925 and N08926) Forged Flanges and Fittings for Class 2 and 3, Section III, Division 110/98EN-464Laser Welding of Lap Joints, Section III, Division 1, Classes 2and 3 Construction10/98EN-469-1Martensitic Stainless Steel for Class 1, 2, and 3 Components,Section III, Division 110/98EN-493Alternative Radiographic Acceptance Criteria for Vessels Usedas Shipping Casks, Section III, Division 1, Class 16/98EN-505Alternative Rules for the Examination of Butt Welds Used asClosure Welds for Electrical Penetration Assemblies in Containment Structures, Section III, Division 112/95EN-511Design Temperature for Atmospheric and 0-15 psi StorageTanks, Section III, Division 14/92EN-520-1Alternative Rules for Renewal of N-type Certificates for PlantsNot in Active Construction, Section III, Division 110/95EN-525Design Stress Intensities and Yield Strength Values for UNSN06690 With a Minimum Specified Yield Strength of 30 ksi, Class 1 Components, Section III, Division 16/98EN-539UNS N08367 in Class 2 and 3 Valves, Section III, Division 112/95EN-548Air Cooling of SA-182 Grades F304, F304L, F316, F316LForgings Instead of Liquid Quenching After Solution Heat Treatment, Class 1, 2, and 3, Section III, Division 14/95EN-550Alternative Rules for Examination of Welds in InstrumentTubing, Class 1 and 2, Section III, Division 11/98EN-558Stamping of Class 2 Vessels Fabricated to Subsection NB,Section III, Division 16/95EN-564-2UNS J93380, Alloy CD3MWCuN, Class 2 and 3 Construction,Section III, Division 18/98EN-570Alternative Rules for Linear Piping and Linear StandardSupports for Class 1, 2, 3, and MC6/95E CODE CASENUMBERTABLE 1ACCEPTABLE SECTION III CODE CASESSUPPLEMENT/EDITION 8N-572Use of SB-425 (UNS N08825) Bar and Rod for Class 1Construction, Section III, Division 17/95EN-579Use of Nonstandard Nuts, Class 1, 2, and 3, MC, CSComponents and Supports Construction, Section III, Division 110/95EN-580-1Use of Alloy 600 With Columbium Added, Section III, Division 11/98EN-594Repairs to P-4 and P-5A Materials for Pumps and ValvesWithout Postweld Heat Treatment, Section III, Division 112/95EN-596Use of Alternative Reference Specimens, Section III, Division 112/95EN-607Guidance on Implementation of NS Certificate of Accreditation,Section III, Division 15/98EN-608Applicable Code Edition and Addenda, NCA-1140(a)(2),Section III, Division 11/98EN-610Alternative Reference Stress Intensity Factor (K 1R) Curve forClass Components, Section III, Division 12/98EN-611Use of Stress Limits as an Alternate to Pressure LimitsSubsection NC/ND-3500, Section III, Division 12/98EN-620Rules for Class 1 Type M Pumps, Section III, Division 14/98EN-621Ni-Cr-Mo Alloy (UNS N06022) Welded Construction to 800F,Section III, Division 14/98EN-625Ni-Cr-Mo Alloy (UNS N06059) Welded Construction to 800F,Section III, Division 15/98EN-631Use of Fracture Toughness Test Data to Establish ReferenceTemperature for Pressure Retaining Materials Other Than Bolting for Class 1 Vessels, Section III, Division 16/98EN-632Use of ASTM A 572, Grades 50 and 65 for StructuralAttachments to Class CC Containment Liners, Section III, Division 27/98EN-635Use 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 16/98E CODE CASENUMBERTABLE 1ACCEPTABLE SECTION III CODE CASESSUPPLEMENT/EDITION 9N-636Use 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


16/98EN-637Use of 44Fe-25Ni-21Cr-Mo (Alloy UNS N08904) Plate, Bar,Fittings, Welded Pipe, and Welded Tube, Classes 2 and 3, Section III, Division 16/98EN-642Alternative Rules for Progressive Liquid PenetrantExamination 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 19/98EN-644Weld Procedure Qualification for Procedures Exempt FromPWHT in Class 1, 2, and 3 Construction, Section III, Division 110/98EN-646Alternative Stress Intensification Factors for CircumferentialFillet Welded or Socket Welded Joints for Class 2 or 3 Piping, Section III, Division 111/98E2. CONDITIONALLY ACCEPTABLE SECTION III CODE CASESThe Code Cases listed in Table 2 below are acceptable to the NRC for applicationin the design and construction of components and their supports for water-cooled nuclear power plants within the limitations imposed by the NRC. Unless otherwise stated, limitations imposed by the NRC are in addition to the conditions specified in the Code Case. The ASME issues Section III Code Cases quarterly in supplements to a specific edition; i.e., a new edition of Section III is published every three years, and supplements are published quarterly. Hence, there are 12 supplements to each edition. To distinguish new and revised Code Cases from those approved in previous versions of the guide, the new and revised Code Cases are shaded. The shading will assist in focusing attention during the public comment period on the changes to the guide. Column 3 of the table lists the supplement and edition in which each Code Case was published (e.g., 7/95E means Code Case Supplement 7 to the 1995 Edition).TABLE 2 - CONDITIONALLY ACCEPTABLE SECTION III CODE CASESCODE CASENUMBERTABLE 2, CONDITIONALLY ACCEPTABLE CODE CASESSUPPLEMENT/EDITIONTITLE / CONDITIONN-62-7Internal and External Valve Items, Section III, Division 1,Classes 1, 2, and 38/98E CODE CASENUMBERTABLE 2, CONDITIONALLY ACCEPTABLE CODE CASESSUPPLEMENT/EDITIONTITLE / CONDITION 10The Code requires that Class 1 and Class 2 valvemanufacturers 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 licensee's 10 CFR 50, Appendix B approved QA program.  [Note: condition contained in Revision 31 of this guide].
CODE                              TABLE 1                          SUPPLEMEN CASE            ACCEPTABLE SECTION III CODE CASES                    T/EDITION NUMBER N-572  Use of SB-425 (UNS N08825) Bar and Rod for Class 1                7/95E Construction, Section III, Division 1 N-579  Use of Nonstandard Nuts, Class 1, 2, and 3, MC, CS                10/95E Components and Supports Construction, Section III, Division 1 N-580-1 Use of Alloy 600 With Columbium Added, Section III, Division     1/98E 1
CODE CASENUMBERTABLE 2, CONDITIONALLY ACCEPTABLE CODE CASESSUPPLEMENT/EDITIONTITLE / CONDITION 11N-71-17Additional Materials for Subsection NF, Class 1, 2, 3, and MCComponent Supports Fabricated by Welding, Section III, Division 16/98E(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.
N-594  Repairs to P-4 and P-5A Materials for Pumps and Valves            12/95E Without Postweld Heat Treatment, Section III, Division 1 N-596  Use of Alternative Reference Specimens, Section III,             12/95E Division 1 N-607  Guidance on Implementation of NS Certificate of Accreditation,    5/98E Section III, Division 1 N-608  Applicable Code Edition and Addenda, NCA-1140(a)(2),              1/98E Section III, Division 1 N-610  Alternative Reference Stress Intensity Factor (K1R) Curve for     2/98E Class Components, Section III, Division 1 N-611  Use of Stress Limits as an Alternate to Pressure Limits          2/98E Subsection NC/ND-3500, Section III, Division 1 N-620  Rules for Class 1 Type M Pumps, Section III, Division 1          4/98E N-621  Ni-Cr-Mo Alloy (UNS N06022) Welded Construction to 800-F,        4/98E Section III, Division 1 N-625  Ni-Cr-Mo Alloy (UNS N06059) Welded Construction to 800-F,         5/98E Section III, Division 1 N-631  Use of Fracture Toughness Test Data to Establish Reference        6/98E Temperature for Pressure Retaining Materials Other Than Bolting for Class 1 Vessels, Section III, Division 1 N-632  Use of ASTM A 572, Grades 50 and 65 for Structural                7/98E Attachments to Class CC Containment Liners, Section III, Division 2 N-635  Use of 22Cr-5Ni-3Mo-N (Alloy UNS S31803) Forgings, Plate,         6/98E 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 8
(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:  (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 it does not experience frequent sustained loads in service.
 
(3) In the last sentence of paragraph 5.3, reference must 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.  (4) Paragraph 16.2.2 is not acceptable as written and must be replaced with the following:  "When not exempted by 16.2.1 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 1000F (540C) and must not exceed 1150F (620C) for Class 1 and Class 2 material and 1175F (640C) for Class 3 material.  (5) The new holdingtime at temperature for weld thickness (nominal) must be 30 minutes for 1/2 inch or less, 1 hour per inch for thickness over 1/2 inch to 5 inches, and 5 hours 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. [Note: Conditions contained in Revision 31 of this guide.]
CODE                                       TABLE 1                                SUPPLEMEN CASE                    ACCEPTABLE SECTION III CODE CASES                        T/EDITION NUMBER N-636            Use of 18Cr-13Ni-3Mo (Alloy UNS S31703), 19Cr-15Ni-4Mo                6/98E (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
CODE CASENUMBERTABLE 2, CONDITIONALLY ACCEPTABLE CODE CASESSUPPLEMENT/EDITIONTITLE / CONDITION 12N-155-2Fiberglass Reinforced Thermosetting Resin Pipe, Section III, Division 18/98E(1) The design temperature for spray pond piping must be 100C (212F).(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 10 5 pressure cyclesfrom atmospheric to design pressure.
N-637            Use of 44Fe-25Ni-21Cr-Mo (Alloy UNS N08904) Plate, Bar,               6/98E Fittings, Welded Pipe, and Welded Tube, Classes 2 and 3, Section III, Division 1 N-642            Alternative Rules for Progressive Liquid Penetrant                    9/98E 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-644            Weld Procedure Qualification for Procedures Exempt From                10/98E PWHT in Class 1, 2, and 3 Construction, Section III, Division 1 N-646            Alternative Stress Intensification Factors for Circumferential        11/98E Fillet Welded or Socket Welded Joints for Class 2 or 3 Piping, Section III, Division 1
(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 K 1 the functional capability of thesystem 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. [NOTE: The above conditions were contained in Revision 31 but were not specifically listed; i.e., the condition stated that the applicant must satisfy the additional limitations specified in Regulatory Guide 1.72, "Spray Pond Piping Made from Fiberglass-Reinforced Thermosetting Resin."
: 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 imposed by the NRC. Unless otherwise stated, limitations imposed by the NRC are in addition to the conditions specified in the Code Case. The ASME issues Section III Code Cases quarterly in supplements to a specific edition; i.e., a new edition of Section III is published every three years, and supplements are published quarterly. Hence, there are 12 supplements to each edition. To distinguish new and revised Code Cases from those approved in previous versions of the guide, the new and revised Code Cases are shaded. The shading will assist in focusing attention during the public comment period on the changes to the guide. Column 3 of the table lists the supplement and edition in which each Code Case was published (e.g., 7/95E means Code Case Supplement 7 to the 1995 Edition).
CODE CASENUMBERTABLE 2, CONDITIONALLY ACCEPTABLE CODE CASESSUPPLEMENT/EDITIONTITLE / CONDITION 13N-249-13Additional Materials for Subsection NF, Class 1, 2, 3, and MCComponent Supports Fabricated Without Welding, Section III, Division 19/95E(1) The fracture toughness requirements apply only topiping supports and not to Class 1, Class 2, and Class 3 component supports.
TABLE 2 - CONDITIONALLY ACCEPTABLE SECTION III CODE CASES CODE            TABLE 2, CONDITIONALLY ACCEPTABLE CODE CASES                      SUPPLEMEN CASE                                                                              T/EDITION NUMBER                                TITLE / CONDITION N-62-7          Internal and External Valve Items, Section III, Division 1,            8/98E Classes 1, 2, and 3 9
 
CODE    TABLE 2, CONDITIONALLY ACCEPTABLE CODE CASES          SUPPLEMEN CASE                                                            T/EDITION NUMBER                        TITLE / CONDITION 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 50, Appendix B approved QA program. [Note: condition contained in Revision 31 of this guide].
10
 
CODE     TABLE 2, CONDITIONALLY ACCEPTABLE CODE CASES                SUPPLEMEN CASE                                                                  T/EDITION NUMBER                          TITLE / CONDITION N-71-17 Additional Materials for Subsection NF, Class 1, 2, 3, and MC    6/98E Component Supports Fabricated by Welding, Section III, Division 1 (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: (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 it does not experience frequent sustained loads in service.
(3) In the last sentence of paragraph 5.3, reference must 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. (4) Paragraph 16.2.2 is not acceptable as written and must be replaced with the following: When not exempted by 16.2.1 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 1/2 inch or less, 1 hour per inch for thickness over 1/2 inch to 5 inches, and 5 hours 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. [Note: Conditions contained in Revision 31 of this guide.]
11
 
CODE    TABLE 2, CONDITIONALLY ACCEPTABLE CODE CASES                SUPPLEMEN CASE                                                                  T/EDITION NUMBER                          TITLE / CONDITION N-155-2 Fiberglass Reinforced Thermosetting Resin Pipe, Section III,      8/98E Division 1 (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. [NOTE: The above conditions were contained in Revision 31 but were not specifically listed; i.e., the condition stated that the applicant must satisfy the additional limitations specified in Regulatory Guide 1.72, Spray Pond Piping Made from Fiberglass-Reinforced Thermosetting Resin.
12
 
CODE     TABLE 2, CONDITIONALLY ACCEPTABLE CODE CASES                SUPPLEMEN CASE                                                                  T/EDITION NUMBER                          TITLE / CONDITION N-249-13 Additional Materials for Subsection NF, Class 1, 2, 3, and MC    9/95E Component Supports Fabricated Without Welding, Section III, Division 1 (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:
(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. [Note: conditions contained in Revision 31 of this guide].N-292Depositing Weld Metal Prior to Preparing Ends for Welding,Section III, Division 1, Class 1, 2, and 312/95EClass 3 piping that is longitudinally welded and that has aweld 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."  [Note: condition contained in Revision 31 of this guide].N-500-1Alternative Rules for Standard Supports for Class 1, 2, 3, andMC, Section III, Division 11/98E(1) The requirements of NF-3330, "High Cycle FatigueDesign for Class 1," must be met for Class 1 Standard Supports for fatigue consideration.
(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. [Note: conditions contained in Revision 31 of this guide].
(2) The requirements of NF-3225, "Design of Bolting," and NF-3324.6, "Webs, Flanges, and Stiffeners," must be met for bolted joints.
N-292    Depositing Weld Metal Prior to Preparing Ends for Welding,       12/95E 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 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. [Note: condition contained in Revision 31 of this guide].
CODE CASENUMBERTABLE 2, CONDITIONALLY ACCEPTABLE CODE CASESSUPPLEMENT/EDITIONTITLE / CONDITION 14N-626Use of Plastic Analysis for the Design of Type B ContainmentComponents for Nuclear Material Transportation Casks, Section III, Division 35/98E1. For the acceptability of a design by analysis, ParagraphWB-3211, "Requirements for Acceptability," of Section III, Division 3, Subsection WB, "Class TP (Type B)
N-500-1  Alternative Rules for Standard Supports for Class 1, 2, 3, and    1/98E MC, Section III, Division 1 (1) The requirements of NF-3330, High Cycle Fatigue Design for Class 1, must be met for Class 1 Standard Supports for fatigue consideration.
Containment," Subparagraphs (a) through (d) must be
(2) The requirements of NF-3225, Design of Bolting, and NF-3324.6, Webs, Flanges, and Stiffeners, must be met for bolted joints.
13


applied.
CODE            TABLE 2, CONDITIONALLY ACCEPTABLE CODE CASES                    SUPPLEMEN CASE                                                                              T/EDITION NUMBER                                TITLE / CONDITION N-626          Use of Plastic Analysis for the Design of Type B Containment            5/98E Components for Nuclear Material Transportation Casks, Section III, Division 3
: 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.
: 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)
: 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 topuncture 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."3. ANNULLED UNCONDITIONALLY APPROVED SECTION III CODE CASESThe Code Cases listed in the table below were previously unconditionallyapproved by the NRC and have been annulled by the ASME. The ASME issues Section III Code Cases quarterly in supplements to a specific edition; i.e., a new edition of Section III is published every three years, and supplements are published quarterly.
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.
: 3.     ANNULLED UNCONDITIONALLY APPROVED SECTION III CODE CASES The Code Cases listed in the table below were previously unconditionally approved by the NRC and have been annulled by the ASME. The ASME issues Section III Code Cases quarterly in supplements to a specific edition; i.e., a new edition of Section III is published every three years, and supplements are published quarterly.
Hence, there are 12 supplements to each edition. Column 3 of the table lists the ASME annulment date.
Hence, there are 12 supplements to each edition. Column 3 of the table lists the ASME annulment date.
15TABLE 3 - ANNULLED UNCONDITIONALLY APPROVED SECTION III CODE CASESCODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATEN-1-7(1332-7)Requirements for Steel Forgings, Section III, Division 17/1/82N-2(1334-3)Requirements for Corrosion-Resisting Steel Bars and Shapes,Section III1/1/81N-3-10(1335-10)Requirements for Bolting Materials, Section III9/16/84N-5-1Nickel Chromium Age Hardenable Alloys (Alloy X750), SectionIII, Division 1, Classes 1, 2, 3, MC, and CS12/13/85N-6(1345-2)Requirements for Nickel-Molybdenum-Chromium-Iron Alloys,Section III3/1/79N-9-4(1395-4)SA-508, Class 2 Forgings with Modified Manganese Content,Section III7/1/82N-10(1407-3)Time of Examination for Classes, 1, 2, and 3, Section III Vessels9/17/87N-15(1456-2)Substitution of Ultrasonic Examination for ProgressivePenetrant or Magnetic Particle Examination of Partial Penetration and Oblique Nozzle Attachment Welds, Section III3/1/79N-17(1474-1)Integrally Finned Tubes for Section III1/21/91N-22(1498-1)SA-508-Class 2 and 3, Minimum Tempering Temperature,Section III7/1/82N-24(1516-2)Welding of Seats or Minor Internal Permanent Attachments inValves for Section III Applications1/1/80N-26(1527)Integrally Finned Tubes, Section III1/21/91N-30-1(1539-1)Metal Bellows and Metal Diaphragm Stem Sealed Valves,Section III, Division 1, Classes 1, 2, and 31/1/81N-32-3(1541-3)Hydrostatic Testing of Embedded Class 2 and Class 3 Pipingfor Section III, Division 1 Construction7/1/79N-33(1542-1)Type 403 Forgings or Bars for Bolting Material, Section III1/21/85N-35-1(1552-1)Design by Analysis of Section III, Class 1 Valves7/1/79 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 16N-37-3(1557-3)Steel Products Refined by Secondary Remelting, Section IIIand VIII, Division 1 and 27/1/82N-41(1571)Additional Material for SA-234 Carbon Steel Fittings, Section III1/21/85N-43(1578)SB-167 Nickel-Chromium-Iron (Alloy 600) Pipe or Tube,Section III7/1/82N-46(1588)Electro-Etching of Section III Code Symbols3/19/82N-47-33Class 1 Components in Elevated Temperature Service,Section III, Division 17/1/96N-48-2Fabrication and Installation of Elevated TemperatureComponents, Section III, Division 17/1/96)N-49-4Examination of Elevated Temperature Nuclear Components,Section III, Class 17/1/96)N-50-1Testing of Elevated Temperature Components, Section III,Division 1, Class 17/1/96)N-51-2Protection Against Overpressure of Elevated TemperatureComponents, Section III, Division 1, Class 17/1/96)N-55-1(1609)Inertia and Continuous Drive Friction Welding, Section III, Division 14/5/87N-56(1612)Use of Type 308 Stainless Steel Rod and Bar for Section III,Class 1, 2, 3, and CS Construction7/1/78N-61(1620)Stress Category for Partial Penetration Welded Penetrations,Section III, Class Construction1/8/82N-65-1(1626-1)Normalized and Tempered 1-1/4 Cr Low Alloy Steel Forgings,Section I and III1/21/85N-66-1(1630-1)External Pressure Charts for High Yield Strength CarbonSteels and Low alloy Steels, (Yield Strength above 38 Ksi to 60 Ksi Inclusive) For Section III, Class 1, 2, 3, and MC12/5/87N-68(1634-2)Use of SB-359 for Section III, Division, 1, Class 3 Construction7/1/78N-77(1660)Overpressure Protection Under Emergency OperatingConditions for Section III, Class 17/1/77N-81(1665)Pressure-Temperature Ratings for Class 1 Valves Made from 5Cr-1/2 Mo, Section III7/1/78 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 17N-82(1677)Clarification of Flange Design Loads, Section III, Class 1, 2, and 33/1/79N-84(1681-1)Organizations Accepting Overall Responsibility for Section IIIConstruction3/1/79N-90(1692)Rules for Design of Welded Class 1 Pumps7/1/78N-94(1700)Determination of Capacities of Liquid Relief Valves, Section III,Division 1, Class 1, 2, and 33/19/82N-95-2(1701-2)Determination of Capacities of Vacuum Relief Valves, SectionIII, Division 1, Classes 2, 3, and MC and Division 2 Concrete Containments7/9/82N-96-1(1702-1)Flanged Valves Larger than 24 inches for Section III, Division1, Class 1, 2, and 3 Construction1/1/80N-101(1712)Nameplates and Stamping for Section III, Division 1, Class 1,2, 3 and MC Construction as Referenced in NA-83003/1/79N-102-2Postweld Heat Treatment of P-1 Material, Section III, Class MC6/30/84N-107-1(1722-1)Vacuum, Carbon Deoxidized SA-508 Forgings, Section III, Division 11/8/82N-108(1724)Deviation from the Specified Silicon Ranges in ASME MaterialSpecifications, Section III, Division 1, and VIII, Division 1 and 27/1/78N-109(1726)Refinement of Low Alloy Steel Heat Affected Zone UnderOverlay Cladding, Section III, Division 1, Class 1 Components3/1/79N-111(1729)Minimum Edge Distance-Bolting for Section III, Division 1,Class 1, 2, and 3 and MC Construction of Component Supports3/1/79N-114(1732)Hardsurfaced Valves with Inlet Connections less than 2-in.Nominal Pipe Size for Section III, Division 1, Class 1 and 2 Construction1/1/79N-115(1733)Evaluation of Safe Shut Down Earthquake Loadings forSection III, Division 1, Class MC Containment Vessels1/1/78N-119-4(1739-4)
14
N-119-6Pump Internal Items, Section III, Division 1, Class 1, 2, and 312/1/833/14/94N-121(1744)Carbon Steel Pipe Flanges Larger than 24 in.,Section III, Division 1, Class 2 and 3 Construction3/1/79 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 18N-123(1746)Leak Testing of Seal Welds, Section III, Division 1, Class 1, 2,and 3 Construction3/1/79N-124(1747)Requirements for Martensitic Stainless Forgings with 13%Chromium and 4% Nickel, Section III, Division 17/13/87N-125(1748)Low Carbon Austenitic Stainless Steel Pipe Welded With FillerMetal, Section III, Division 1, Construction7/1/78N-126(1754)Hard Surfacing by the Spray-Fuse Method, Section III, Class 1,2, and 3 Construction7/1/88N-127(1755-1)Alternative Rules for Examination of Welds in Piping, SectionIII, Class 1 and 2 Construction2/20/92N-139Testing of Electroslag Wire and Flux for Class 1, 2, 3, MC, andCS Construction, Section III, Division 11/1/79N-140(1772)Use of SA-453 Bolts in Service Below 800F Without StressRupture Tests, Section III, Division 112/31/85N-142-1(1774-1)Minimum Wall Thickness for Class 2 and 3 Valves, Section III, Division 11/1/80N-147(1781)Use of Modified SA-487 Grade CA6NM, Section III, Division 1,Class 1, 2, 3, MC or CS7/1/78N-148(1782)Use of Copper-Nickel Alloy 962 for Castings, Section III,Division 1, Class 3 Construction6/30/83N-154(1791)Projection Resistance Welding of Valve Seats, Section III,Division 1, Class 1, 2and 3 Valves1/14/80N-156(1793)Structural Steel Rolled Shapes, Section III, Division I, Class 2,3, and MC2/14/86N-157(1794)Use of Seamless Al-Br, Alloy CDA 614 Pipe, Section III,Division 1, Class 31/7/83N-158(1795)Examination of Weld Repairs in Forgings, Section III, Division1, Class 1, 2, 3, MC and CS7/1/78N-159(1796)Body Neck Thickness Determination for Valves with InletConnections 4-Inch Nominal Pipe Size and Smaller, Section III, Division 1, Class 1, 2, and 37/1/78N-174(1812)Size of Fillet Welds for Socket Welding of Piping, Section III, Division 11/1/81N-176-1(1819-1)Use of Type XM-19 for Construction, Section III, Division 1,Class 1, 2, and 38/25/83 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 19N-177(1820)Alternative Ultrasonic Examination Technique, Section III, Division 11/1/84N-178Use of ASTM B271, CDA 954, Alloy 9C for Class 3Construction, Section III, Division 11/1/80N-179Openings in Valves for Section III, Division 1, Class 1, 2 and 3Construction7/11/80N-180Examination of Springs for Class 1 Component StandardsSupports, Section III, Division 17/1/78N-181Steel Castings Refined by the Argon Decarburization Process,Section III, Division 1, Construction7/11/80N-182Alternate Rules for Procedure Qualification Base MaterialOrientation, Section III, Division 1, Class 2 and 3 Construction7/1/81N-183Use of Modified SA-182 Grade F22 for Section III, Division 1,Class 1, 2 and 3 Construction1/1/80N-184Roll Threading of SA-453 Bolting for Section III,Division 1, Class 1, 2, 3 or CS Construction7/1/79N-188-1Use of Welded Ni-Fe-Cr-Mo-Cu (Alloy 825) and Ni-Cr-Mo-Cb(Alloy 625) Tubing, Section III, Division 1, Class 2 and 38/14/96N-189Primary Membrane Plus Primary Bending Stress IntensityLimits for Other Than Solid Rectangular Sections for Section III, Division 1, Class MC Construction7/1/79N-190Use of SA-455 for Class 3 Components, Section III, Division 17/1/78N-193Use of SB-61 and SB-62 Bronze for Section III,Division 1, Class 3 Flange and Socket Weld End Valves11/21/80N-196-1Exemption from the Shakedown Requirements When PlasticAnalysis Is Performed for Section III, Division 1, Class 1 and CS Construction7/1/92N-204Use of Modified SA-508, Class 3, and SA-541, Class 3 forSection III, Division 1, Class 1, 2, and 3 Components1/1/81N-206Use of ASTM B151-75 Copper-Nickel Alloy 706 Rod and Barfor Section III, Division 1, Class 3 Construction6/30/83N-207-1Use of Modified SA-479 Type XM-19 for Section III, Division 1,Class 1, 2, 3, or CS Construction1/21/85N-212(1693)Welding Procedure Qualification of Dissimilar Metal WeldsWhen "Buttering" with Alloy Weld Metal and Heat Treatment May Be Involved, Section III, Division 1, and Section IX.1/1/81 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 20N-214-2Use of SA-351 Grade CN7M, for Valves, Section III, Division 112/31/83N-215Integrally Finned Titanium Tubes, Section III, Division 1, Class3 Construction5/15/81N-217-1Postweld Heat Treatment of Weld Deposit Cladding onClasses 1, 2, 3, MC, and CS Items, Section III, Division 12/23/87N-220Code Effective Date for Component Supports,Section III, Division 17/13/81N-223Requirements for Stainless Steel Precipitation Hardening,Section III, Division 1, Class MC11/20/81N-224-1Use of ASTM A500 Grade B and ASTM A501 StructuralTubing for Welded Attachments for Section III, Class 2, 3, and
 
TABLE 3 - ANNULLED UNCONDITIONALLY APPROVED SECTION III CODE CASES CODE                                    TABLE 3 CASE            ANNULLED UNCONDITIONALLY APPROVED CODE                 ANNULMEN NUMBER                                    CASES                          T DATE N-1-7         Requirements for Steel Forgings, Section III, Division 1      7/1/82 (1332-7)
N-2          Requirements for Corrosion-Resisting Steel Bars and Shapes,   1/1/81 (1334-3)      Section III N-3-10       Requirements for Bolting Materials, Section III                9/16/84 (1335-10)
N-5-1        Nickel Chromium Age Hardenable Alloys (Alloy X750), Section  12/13/85 III, Division 1, Classes 1, 2, 3, MC, and CS N-6           Requirements for Nickel-Molybdenum-Chromium-Iron Alloys,       3/1/79 (1345-2)      Section III N-9-4         SA-508, Class 2 Forgings with Modified Manganese Content,     7/1/82 (1395-4)     Section III N-10          Time of Examination for Classes, 1, 2, and 3, Section III     9/17/87 (1407-3)     Vessels N-15          Substitution of Ultrasonic Examination for Progressive        3/1/79 (1456-2)      Penetrant or Magnetic Particle Examination of Partial Penetration and Oblique Nozzle Attachment Welds, Section III N-17         Integrally Finned Tubes for Section III                        1/21/91 (1474-1)
N-22          SA-508-Class 2 and 3, Minimum Tempering Temperature,           7/1/82 (1498-1)     Section III N-24          Welding of Seats or Minor Internal Permanent Attachments in    1/1/80 (1516-2)      Valves for Section III Applications N-26         Integrally Finned Tubes, Section III                          1/21/91 (1527)
N-30-1       Metal Bellows and Metal Diaphragm Stem Sealed Valves,         1/1/81 (1539-1)      Section III, Division 1, Classes 1, 2, and 3 N-32-3       Hydrostatic Testing of Embedded Class 2 and Class 3 Piping    7/1/79 (1541-3)      for Section III, Division 1 Construction N-33         Type 403 Forgings or Bars for Bolting Material, Section III    1/21/85 (1542-1)
N-35-1       Design by Analysis of Section III, Class 1 Valves              7/1/79 (1552-1) 15
 
CODE                              TABLE 3 CASE      ANNULLED UNCONDITIONALLY APPROVED CODE                       ANNULMEN NUMBER                              CASES                                T DATE N-37-3   Steel Products Refined by Secondary Remelting, Section III          7/1/82 (1557-3) and VIII, Division 1 and 2 N-41     Additional Material for SA-234 Carbon Steel Fittings, Section III  1/21/85 (1571)
N-43     SB-167 Nickel-Chromium-Iron (Alloy 600) Pipe or Tube,               7/1/82 (1578)  Section III N-46     Electro-Etching of Section III Code Symbols                        3/19/82 (1588)
N-47-33  Class 1 Components in Elevated Temperature Service,                 7/1/96 Section III, Division 1 N-48-2  Fabrication and Installation of Elevated Temperature                7/1/96)
Components, Section III, Division 1 N-49-4  Examination of Elevated Temperature Nuclear Components,             7/1/96)
Section III, Class 1 N-50-1  Testing of Elevated Temperature Components, Section III,           7/1/96)
Division 1, Class 1 N-51-2  Protection Against Overpressure of Elevated Temperature            7/1/96)
Components, Section III, Division 1, Class 1 N-55-1   Inertia and Continuous Drive Friction Welding, Section III,         4/5/87 (1609)  Division 1 N-56     Use of Type 308 Stainless Steel Rod and Bar for Section III,       7/1/78 (1612)  Class 1, 2, 3, and CS Construction N-61     Stress Category for Partial Penetration Welded Penetrations,       1/8/82 (1620)  Section III, Class Construction N-65-1   Normalized and Tempered 1-1/4 Cr Low Alloy Steel Forgings,         1/21/85 (1626-1) Section I and III N-66-1   External Pressure Charts for High Yield Strength Carbon            12/5/87 (1630-1) Steels and Low alloy Steels, (Yield Strength above 38 Ksi to 60 Ksi Inclusive) For Section III, Class 1, 2, 3, and MC N-68     Use of SB-359 for Section III, Division, 1, Class 3 Construction    7/1/78 (1634-2)
N-77     Overpressure Protection Under Emergency Operating                  7/1/77 (1660)  Conditions for Section III, Class 1 N-81     Pressure-Temperature Ratings for Class 1 Valves Made from 5        7/1/78 (1665)  Cr-1/2 Mo, Section III 16
 
CODE                               TABLE 3 CASE        ANNULLED UNCONDITIONALLY APPROVED CODE                       ANNULMEN NUMBER                                CASES                                T DATE N-82     Clarification of Flange Design Loads, Section III, Class 1, 2,       3/1/79 (1677)  and 3 N-84     Organizations Accepting Overall Responsibility for Section III        3/1/79 (1681-1) Construction N-90     Rules for Design of Welded Class 1 Pumps                              7/1/78 (1692)
N-94    Determination of Capacities of Liquid Relief Valves, Section III,     3/19/82 (1700)  Division 1, Class 1, 2, and 3 N-95-2   Determination of Capacities of Vacuum Relief Valves, Section          7/9/82 (1701-2) III, Division 1, Classes 2, 3, and MC and Division 2 Concrete Containments N-96-1   Flanged Valves Larger than 24 inches for Section III, Division        1/1/80 (1702-1) 1, Class 1, 2, and 3 Construction N-101   Nameplates and Stamping for Section III, Division 1, Class 1,         3/1/79 (1712)  2, 3 and MC Construction as Referenced in NA-8300 N-102-2  Postweld Heat Treatment of P-1 Material, Section III, Class MC        6/30/84 N-107-1 Vacuum, Carbon Deoxidized SA-508 Forgings, Section III,               1/8/82 (1722-1) Division 1 N-108   Deviation from the Specified Silicon Ranges in ASME Material          7/1/78 (1724)  Specifications, Section III, Division 1, and VIII, Division 1 and 2 N-109   Refinement of Low Alloy Steel Heat Affected Zone Under                3/1/79 (1726)  Overlay Cladding, Section III, Division 1, Class 1 Components N-111   Minimum Edge Distance-Bolting for Section III, Division 1,           3/1/79 (1729)  Class 1, 2, and 3 and MC Construction of Component Supports N-114   Hardsurfaced Valves with Inlet Connections less than 2-in.           1/1/79 (1732)  Nominal Pipe Size for Section III, Division 1, Class 1 and 2 Construction N-115   Evaluation of Safe Shut Down Earthquake Loadings for                  1/1/78 (1733)   Section III, Division 1, Class MC Containment Vessels N-119-4  Pump Internal Items, Section III, Division 1, Class 1, 2, and 3      12/1/83 (1739-4)
N-119-6                                                                        3/14/94 N-121    Carbon Steel Pipe Flanges Larger than 24 in.,                         3/1/79 (1744)  Section III, Division 1, Class 2 and 3 Construction 17
 
CODE                               TABLE 3 CASE        ANNULLED UNCONDITIONALLY APPROVED CODE                     ANNULMEN NUMBER                              CASES                                T DATE N-123   Leak Testing of Seal Welds, Section III, Division 1, Class 1, 2,   3/1/79 (1746)  and 3 Construction N-124   Requirements for Martensitic Stainless Forgings with 13%           7/13/87 (1747)  Chromium and 4% Nickel, Section III, Division 1 N-125   Low Carbon Austenitic Stainless Steel Pipe Welded With Filler      7/1/78 (1748)  Metal, Section III, Division 1, Construction N-126   Hard Surfacing by the Spray-Fuse Method, Section III, Class 1,     7/1/88 (1754)  2, and 3 Construction N-127   Alternative Rules for Examination of Welds in Piping, Section      2/20/92 (1755-1) III, Class 1 and 2 Construction N-139    Testing of Electroslag Wire and Flux for Class 1, 2, 3, MC, and    1/1/79 CS Construction, Section III, Division 1 N-140   Use of SA-453 Bolts in Service Below 800-F Without Stress          12/31/85 (1772)  Rupture Tests, Section III, Division 1 N-142-1 Minimum Wall Thickness for Class 2 and 3 Valves, Section III,       1/1/80 (1774-1) Division 1 N-147   Use of Modified SA-487 Grade CA6NM, Section III, Division 1,       7/1/78 (1781)  Class 1, 2, 3, MC or CS N-148   Use of Copper-Nickel Alloy 962 for Castings, Section III,           6/30/83 (1782)  Division 1, Class 3 Construction N-154   Projection Resistance Welding of Valve Seats, Section III,         1/14/80 (1791)  Division 1, Class 1, 2and 3 Valves N-156   Structural Steel Rolled Shapes, Section III, Division I, Class 2,   2/14/86 (1793)  3, and MC N-157   Use of Seamless Al-Br, Alloy CDA 614 Pipe, Section III,             1/7/83 (1794)  Division 1, Class 3 N-158   Examination of Weld Repairs in Forgings, Section III, Division      7/1/78 (1795)  1, Class 1, 2, 3, MC and CS N-159   Body Neck Thickness Determination for Valves with Inlet            7/1/78 (1796)  Connections 4-Inch Nominal Pipe Size and Smaller, Section III, Division 1, Class 1, 2, and 3 N-174   Size of Fillet Welds for Socket Welding of Piping, Section III,     1/1/81 (1812)  Division 1 N-176-1 Use of Type XM-19 for Construction, Section III, Division 1,       8/25/83 (1819-1) Class 1, 2, and 3 18
 
CODE                               TABLE 3 CASE        ANNULLED UNCONDITIONALLY APPROVED CODE                     ANNULMEN NUMBER                                CASES                              T DATE N-177   Alternative Ultrasonic Examination Technique, Section III,         1/1/84 (1820)  Division 1 N-178    Use of ASTM B271, CDA 954, Alloy 9C for Class 3                    1/1/80 Construction, Section III, Division 1 N-179    Openings in Valves for Section III, Division 1, Class 1, 2 and 3  7/11/80 Construction N-180    Examination of Springs for Class 1 Component Standards            7/1/78 Supports, Section III, Division 1 N-181    Steel Castings Refined by the Argon Decarburization Process,       7/11/80 Section III, Division 1, Construction N-182    Alternate Rules for Procedure Qualification Base Material          7/1/81 Orientation, Section III, Division 1, Class 2 and 3 Construction N-183    Use of Modified SA-182 Grade F22 for Section III, Division 1,     1/1/80 Class 1, 2 and 3 Construction N-184    Roll Threading of SA-453 Bolting for Section III,                 7/1/79 Division 1, Class 1, 2, 3 or CS Construction N-188-1  Use of Welded Ni-Fe-Cr-Mo-Cu (Alloy 825) and Ni-Cr-Mo-Cb           8/14/96 (Alloy 625) Tubing, Section III, Division 1, Class 2 and 3 N-189    Primary Membrane Plus Primary Bending Stress Intensity            7/1/79 Limits for Other Than Solid Rectangular Sections for Section III, Division 1, Class MC Construction N-190    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,                   11/21/80 Division 1, Class 3 Flange and Socket Weld End Valves N-196-1  Exemption from the Shakedown Requirements When Plastic            7/1/92 Analysis Is Performed for Section III, Division 1, Class 1 and CS Construction N-204    Use of Modified SA-508, Class 3, and SA-541, Class 3 for          1/1/81 Section III, Division 1, Class 1, 2, and 3 Components N-206    Use of ASTM B151-75 Copper-Nickel Alloy 706 Rod and Bar            6/30/83 for Section III, Division 1, Class 3 Construction N-207-1  Use of Modified SA-479 Type XM-19 for Section III, Division 1,     1/21/85 Class 1, 2, 3, or CS Construction N-212   Welding Procedure Qualification of Dissimilar Metal Welds          1/1/81 (1693)  When Buttering with Alloy Weld Metal and Heat Treatment May Be Involved, Section III, Division 1, and Section IX.
19
 
CODE                               TABLE 3 CASE      ANNULLED UNCONDITIONALLY APPROVED CODE                     ANNULMEN NUMBER                                CASES                              T DATE 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  5/15/81 3 Construction N-217-1 Postweld Heat Treatment of Weld Deposit Cladding on                2/23/87 Classes 1, 2, 3, MC, and CS Items, Section III, Division 1 N-220  Code Effective Date for Component Supports,                       7/13/81 Section III, Division 1 N-223  Requirements for Stainless Steel Precipitation Hardening,         11/20/81 Section III, Division 1, Class MC N-224-1 Use of ASTM A500 Grade B and ASTM A501 Structural                  4/5/90 Tubing for Welded Attachments for Section III, Class 2, 3, and MC N-225  Certification and Identification of Material for Component        1/1/81 Supports, Section III, Division 1 N-226  Temporary Attachment of Thermocouples, Section III, Division      1/1/80 1, Class 1, 2 and 3 Component Supports 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            3/19/82 Report Forms and Stamping for Section III, Class 1, 2, 3 and MC Construction N-229  Alternate Rules for Fabrication Welding SB-148 Alloy CDA 954      1/21/88 for Section III, Division 1, Class 3 Construction N-231  Alternate Methods for Leak Detection in the Attachment Welds      7/1/92 of Leak Chase Channels, Section III, Division 2, Class CC N-233  Alternate Rules for PWHT of P-No. 6, Group 4 Material for          9/17/87 Section III, Division 1, Class 3 Construction N-237-2 Hydrostatic Testing of Internal Piping, Section III, Division 1,  7/1/88 Classes 2 and 3 N-240  Hydrostatic Testing of Open Ended Piping, Section III,            7/1/97 Division 1 N-241  Hydrostatic Testing of Piping, Section III, Division 1            7/1/97 N-245  Use of ASTM B61-76 and B62-76 Copper Alloy Castings for            7/17/85 Section III, Division 1, Class 3 Construction 20
 
CODE                              TABLE 3 CASE      ANNULLED UNCONDITIONALLY APPROVED CODE                        ANNULMEN NUMBER                              CASES                                T DATE N-246-2 SB-169 Alloy C61400, Section III, Division 1, Class 3                7/27/95 Construction N-247  Certified Design Report Summary for Component Standard              4/30/93 Supports, Section III, Division 1, Class 1, 2, 3 and MC N-248  Alternative Reference Radiographs, Section III, Division 1,          7/1/80 Classes 1, 2, 3, MC, and CS Construction N-259  Ni-Cu-Al Bolting Material SB 164 Modified, Section III, Division    1/1/84 1, Class 3 N-261  Weld Procedure Qualification for Materials with Impact              12/13/82 Requirements for Section III, Division 1, Class 3 Construction N-262  Electric Resistance Spot Welding for Structural Use in              7/27/91 Component Supports, Section III, Division 1 N-265-1 Modified SA-487 Castings, Section III, Division 1,                  8/14/97 Class 1 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        2/14/86 to Metal Contact Outside the Bolt Circle for Section III, Class 2, 3, and MC Construction N-272  Compiling Data Report Forms, Section III, Division 1                1/1/82 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,        9/17/80 Division 1, Class MC Construction N-280  Alternate Rules for Examination of Welds in Section III, Class 3    7/1/81 Storage Tanks N-281  Welding Operator Performance Qualification, Section III,            7/1/81 Division 1 N-282  Nameplates for Valves, Section III, Division 1, Class 1, 2, and      7/30/89 3 Construction N-294  SB-148 Alloys 952 and 954, and SB-62 Alloy 836 Fittings,            7/27/95 Section III, Division 1, Class 2 N-295  NCA-1140, Materials, Section III, Division 1                        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,          12/1/83 Class 1, 2, 3, and MC 21
 
CODE                              TABLE 3 CASE      ANNULLED UNCONDITIONALLY APPROVED CODE                    ANNULMEN NUMBER                                CASES                              T DATE N-299-1 Use of Nickel-Chromium-Molybdenum-Columbium Alloy 625              2/23/87 Forgings, Section III, Division 1, Class 2 and Class 3 Components N-300  Pressure-Temperature Ratings, Hydrostatic Tests, and              12/1/83 Minimum Wall Thickness of Valves, Section III, Division 1, Class 1 N-302  Tack Welding, Section III, Division 1, Construction              11/28/83 N-309-1 Identification of Materials for Component Supports, Section III,  7/1/95 Division 1 N-313  Alternative Rules for Half-Coupling Branch Connections,            7/1/96 Section III, Division 1, Class 2 N-316  Alternative Rules for Fillet Weld Dimensions for Socket            8/14/93 Welding Fittings, Section III, Division 1, Class 1, 2, and 3 N-317  ASTM A276 Bar, Section III, Division                              7/1/82 N-320  Alternate PWHT for SA-487, Grade CA6NM, Section III,              12/31/83 Division 1 N-321-1 Use of Modified SA-249, Grade TP 304, Section III, Division 1,    12/5/88 Class 1 N-324  Qualification of Authorized Nuclear Inspector Supervisor          7/27/95 (Concrete) and Authorized Nuclear Inspector (Concrete),
Section III, Division 2, Classes CB and CC N-328  Thermit Brazing or Welding of Nonstructural Attachments,          9/17/87 Section III, Division 1 N-336  Examination of Welds Inaccessible During Pressure Test,            6/30/83 Section III, Division 1, Class MC N-337-1 Use of ASTM B 525-70 Grade II, Type II, Sintered Austenitic        3/14/94 Stainless Steel for Classes 2, 3, and MC Component Standard Supports, Section III, Division 1 N-339  Examination of Ends of Fillet Welds, Section III,                  9/17/84 Division 1, Classes 1, 2, and MC N-341  Certification of Level III NDE Examiner, Section III, Division 1  7/1/88 and 2 N-342  Use of SA-249 and SA-312 Type 317 Stainless Steel, Section        4/2/85 III, Division 1, Classes 1, 2, and 3 N-346  Explosive Welding, Section III, Division 1                        6/30/86 22


MC4/5/90N-225Certification and Identification of Material for ComponentSupports, Section III, Division 11/1/81N-226Temporary Attachment of Thermocouples, Section III, Division1, Class 1, 2 and 3 Component Supports1/1/80N-227Examination of Repair Welds, Section III, Class 2 and 3 Tanks7/9/82N-228Alternate Rules for Sequence of Completion of Code DataReport Forms and Stamping for Section III, Class 1, 2, 3 and MC Construction3/19/82N-229Alternate Rules for Fabrication Welding SB-148 Alloy CDA 954for Section III, Division 1, Class 3 Construction1/21/88N-231Alternate Methods for Leak Detection in the Attachment Weldsof Leak Chase Channels, Section III, Division 2, Class CC7/1/92N-233Alternate Rules for PWHT of P-No. 6, Group 4 Material forSection III, Division 1, Class 3 Construction9/17/87N-237-2Hydrostatic Testing of Internal Piping, Section III, Division 1, Classes 2 and 37/1/88N-240Hydrostatic Testing of Open Ended Piping, Section III, Division 17/1/97N-241Hydrostatic Testing of Piping, Section III, Division 17/1/97N-245Use of ASTM B61-76 and B62-76 Copper Alloy Castings forSection III, Division 1, Class 3 Construction7/17/85 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 21N-246-2SB-169 Alloy C61400, Section III, Division 1, Class 3Construction 7/27/95N-247Certified Design Report Summary for Component StandardSupports, Section III, Division 1, Class 1, 2, 3 and MC4/30/93N-248Alternative Reference Radiographs, Section III, Division 1,Classes 1, 2, 3, MC, and CS Construction7/1/80N-259Ni-Cu-Al Bolting Material SB 164 Modified, Section III, Division 1, Class 31/1/84N-261Weld Procedure Qualification for Materials with ImpactRequirements for Section III, Division 1, Class 3 Construction12/13/82N-262Electric Resistance Spot Welding for Structural Use inComponent Supports, Section III, Division 17/27/91N-265-1Modified SA-487 Castings, Section III, Division 1, Class 18/14/97N-267Double-Wall Radiography, Section III, Division 1, Class 1 and 27/1/81N-271Simplified Method for Analyzing Flat Face Flanges with Metalto Metal Contact Outside the Bolt Circle for Section III, Class 2, 3, and MC Construction2/14/86N-272Compiling Data Report Forms, Section III, Division 11/1/82N-276Welding of SA-358 Pipe, Section III, Division 12/14/86N-277Use of Type XM-19 Austenitic Stainless Steel for Section III,Division 1, Class MC Construction9/17/80N-280Alternate Rules for Examination of Welds in Section III, Class 3Storage Tanks7/1/81N-281Welding Operator Performance Qualification, Section III, Division 17/1/81N-282Nameplates for Valves, Section III, Division 1, Class 1, 2, and3 Construction7/30/89N-294SB-148 Alloys 952 and 954, and SB-62 Alloy 836 Fittings,Section III, Division 1, Class 27/27/95N-295NCA-1140, Materials, Section III, Division 16/30/82N-296Welding Material, Section III, Division 1 Construction12/1/83N-298Examination of Component Supports, Section III, Division 1,Class 1, 2, 3, and MC12/1/83 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 22N-299-1Use of Nickel-Chromium-Molybdenum-Columbium Alloy 625Forgings, Section III, Division 1, Class 2 and Class 3 Components2/23/87N-300Pressure-Temperature Ratings, Hydrostatic Tests, andMinimum Wall Thickness of Valves, Section III, Division 1, Class 112/1/83N-302Tack Welding, Section III, Division 1, Construction11/28/83N-309-1Identification of Materials for Component Supports, Section III, Division 17/1/95N-313Alternative Rules for Half-Coupling Branch Connections,Section III, Division 1, Class 27/1/96N-316Alternative Rules for Fillet Weld Dimensions for SocketWelding Fittings, Section III, Division 1, Class 1, 2, and 38/14/93N-317ASTM A276 Bar, Section III, Division7/1/82N-320Alternate PWHT for SA-487, Grade CA6NM, Section III, Division 112/31/83N-321-1Use of Modified SA-249, Grade TP 304, Section III, Division 1, Class 112/5/88N-324Qualification of Authorized Nuclear Inspector Supervisor(Concrete) and Authorized Nuclear Inspector (Concrete),
CODE                              TABLE 3 CASE      ANNULLED UNCONDITIONALLY APPROVED CODE                    ANNULMEN NUMBER                                CASES                              T DATE N-347  Continuous Electric Resistance Seam Welding of                    12/13/85 P-No. 8 Materials for Component Supports, Section III, Division 1
Section III, Division 2, Classes CB and CC7/27/95N-328Thermit Brazing or Welding of Nonstructural Attachments,Section III, Division 19/17/87N-336Examination of Welds Inaccessible During Pressure Test,Section III, Division 1, Class MC6/30/83N-337-1Use of ASTM B 525-70 Grade II, Type II, Sintered AusteniticStainless Steel for Classes 2, 3, and MC Component Standard Supports, Section III, Division 13/14/94N-339Examination of Ends of Fillet Welds, Section III,Division 1, Classes 1, 2, and MC9/17/84N-341Certification of Level III NDE Examiner, Section III, Division 1 and 27/1/88N-342Use of SA-249 and SA-312 Type 317 Stainless Steel, SectionIII, Division 1, Classes 1, 2, and 34/2/85N-346Explosive Welding, Section III, Division 16/30/86 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 23N-347Continuous Electric Resistance Seam Welding ofP-No. 8 Materials for Component Supports, Section III, Division
N-349  Pressure Testing Piping Systems, Section III, Division 1,         12/31/85 Classes 2 and 3 N-352-1 Use of SA-638 Grade 660 Forgings and Bars Below 700-F              6/30/86 Without Stress Rupture Tests, Section III, Division 1 N-353  Marking of SA-354 Grade BD Bolting, Section III,                   9/5/88 Division 1 N-354-1 Subcontracted Service, Section III, Division 2                    8/14/94 N-355  Calibration Block for Angle Beam Ultrasonic Examination of        8/9/96 Large Fittings in Accordance with Appendix III-3410 N-357  Certification of Material for Component Supports, Section III,     7/1/88 Division 1, Subsection NF N-359  Weld Connection for Coaxial Cylinders, Section III, Division 1,   12/31/84 Class 1 N-362-2 Pressure Testing of Containment Items, Section III, Division 1,   7/1/88 Classes 1, 2, and MC 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,           7/1/95 Division 1, Classes 2 and 3 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,     7/18/88 Section III, Division 1 N-372  SB-163 Ni-Fe-Cr-Mo-Cu Alloy 825 (UNS N08825) Tubing,             12/31/83 Section III, Division 1 N-376  Pressure Testing of Embedded Class 2 and 3 Piping, Section         7/30/86 III, Division 1 N-377  Effective Throat Thickness of Partial Penetration Groove          12/31/83 Welds, Section III, Division 1, Classes 1, 2, and 3 N-378  Examination of Piping Support Material, Section III, Division 1,  10/28/86 Class 1 N-379-1 Bimetallic Tubing, Section III, Division 1, Class 1               7/18/91 23


112/13/85N-349Pressure Testing Piping Systems, Section III, Division 1, Classes 2 and 312/31/85N-352-1Use of SA-638 Grade 660 Forgings and Bars Below 700FWithout Stress Rupture Tests, Section III, Division 16/30/86N-353Marking of SA-354 Grade BD Bolting, Section III, Division 19/5/88N-354-1Subcontracted Service, Section III, Division 28/14/94N-355Calibration Block for Angle Beam Ultrasonic Examination ofLarge Fittings in Accordance with Appendix III-34108/9/96N-357Certification of Material for Component Supports, Section III,Division 1, Subsection NF7/1/88N-359Weld Connection for Coaxial Cylinders, Section III, Division 1, Class 112/31/84N-362-2Pressure Testing of Containment Items, Section III, Division 1,Classes 1, 2, and MC7/1/88N-367SA-372 Type V, Grade 1, Class B, Section III, Division 12/19/89N-368Pressure Testing of Pump Discharge Piping, Section III,Division 1, Classes 2 and 37/1/95N-370-2Modified SA-705 Type XM-13 Forgings, Section III, Division 18/14/97N-371-112Cr-1W-1Mo-1/4V Martensitic Stainless Steel Valve Internals,Section III, Division 17/18/88N-372SB-163 Ni-Fe-Cr-Mo-Cu Alloy 825 (UNS N08825) Tubing,Section III, Division 112/31/83N-376Pressure Testing of Embedded Class 2 and 3 Piping, SectionIII, Division 17/30/86N-377Effective Throat Thickness of Partial Penetration GrooveWelds, Section III, Division 1, Classes 1, 2, and 312/31/83N-378Examination of Piping Support Material, Section III, Division 1, Class 110/28/86N-379-1 Bimetallic Tubing, Section III, Division 1, Class 17/18/91 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 24N-384-1Use of Prepackaged General Purpose Cement Grouts, EpoxyGrouts, and Epoxy Bonding, Section III, Division 2, Class CC7/27/91N-388Component Support Bolting, Section III, Division 1, Classes 2,3, and MC2/23/87N-393Repair Welding Structural Steel Bolted Shapes and Plates forComponent Supports, Section III, Division 17/27/95N-403Reassembly of Subsection NF Component and PipingSupports, Section III, Division 17/1/95N-410Certified Relieving Capacities of Pressure Relief Valves HavingSet 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 33/14/00N-412Alternative Rules for Witnessing the Piping System PressureTests of Classes 1, 2, and 3 Piping Systems, Section III, Division 14/15/91N-413Minimum Size of Fillet Welds for Subsection NF Linear TypeSupports, Section III, Division 12/14/88N-414Tack Welds for Class 1, 2, 3 and MC Components and PipingSupports, Section III, Division 12/20/92N-418-1Use of Seamless Ni-Fe-Cr-Mo-Cu Low Carbon (UNS N08028and UNS N08904) Tubing, Section III, Division 1, Classes 2
CODE                              TABLE 3 CASE      ANNULLED UNCONDITIONALLY APPROVED CODE                     ANNULMEN NUMBER                              CASES                              T DATE N-384-1 Use of Prepackaged General Purpose Cement Grouts, Epoxy            7/27/91 Grouts, and Epoxy Bonding, Section III, Division 2, Class CC N-388  Component Support Bolting, Section III, Division 1, Classes 2,     2/23/87 3, and MC N-393  Repair Welding Structural Steel Bolted Shapes and Plates for      7/27/95 Component Supports, Section III, Division 1 N-403  Reassembly of Subsection NF Component and Piping                  7/1/95 Supports, Section III, Division 1 N-410  Certified Relieving Capacities of Pressure Relief Valves Having    3/14/00 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 N-412  Alternative Rules for Witnessing the Piping System Pressure        4/15/91 Tests of Classes 1, 2, and 3 Piping Systems, Section III, Division 1 N-413  Minimum Size of Fillet Welds for Subsection NF Linear Type        2/14/88 Supports, Section III, Division 1 N-414  Tack Welds for Class 1, 2, 3 and MC Components and Piping          2/20/92 Supports, Section III, Division 1 N-418-1 Use of Seamless Ni-Fe-Cr-Mo-Cu Low Carbon (UNS N08028              7/27/95 and UNS N08904) Tubing, Section III, Division 1, Classes 2 and 3 N-420  Linear Energy Absorbing Supports for Subsection NF, Classes        1/1/99 1, 2, and 3 Construction N-421  Brazing Using a Radiant Energy Source, Section III, Division 1    6/30/86 N-430  Alternative Requirements for Welding Workmanship and Visual        7/1/93 Acceptance Criteria for Class 1, 2, 3, and MC Linear-Type and Standard Supports N-433  Non-Threaded Fasteners for Section III, Division 1, Class 1, 2,  12/16/95 and 3 Components and Piping Supports N-438-4 UNS N08367 Material, Section III, Division 1, Class 2 and 3        7/1/98 Construction N-442  1977 Addendum to ANSI/ASME PTC 25.3-1976, Safety and              3/8/92 Safety Relief Valves, Class 1, 2, 3, and MC, Section III, Division 1 24


and 37/27/95N-420Linear Energy Absorbing Supports for Subsection NF, Classes1, 2, and 3 Construction1/1/99N-421Brazing Using a Radiant Energy Source, Section III, Division 16/30/86N-430Alternative Requirements for Welding Workmanship and VisualAcceptance Criteria for Class 1, 2, 3, and MC Linear-Type and Standard Supports7/1/93N-433Non-Threaded Fasteners for Section III, Division 1, Class 1, 2,and 3 Components and Piping Supports12/16/95N-438-4UNS N08367 Material, Section III, Division 1, Class 2 and 3Construction7/1/98N-4421977 Addendum to ANSI/ASME PTC 25.3-1976, Safety andSafety Relief Valves, Class 1, 2, 3, and MC, Section III, Division 13/8/92 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 25N-443-2High Yield Strength Cr-Mo Steel, Class 1 Components, SectionIII, Division 11/1/01N-451Alternative Rules for Analysis of Piping Under SeismicLoading, Class 1, Section III, Division 18/14/96N-459SA-508 Basic Oxygen-Ladle Furnace Process for CodeConstruction, Section III, Division 13/14/94N-462Alternative Rules for Analysis of Piping Products UnderSeismic Loading, Class 2 and 3 Piping Systems, Section III, Division 15/24/96N-466-1Modified 9Cr-1Mo Material, Section III, Division 1, Classes 1,2, and 38/14/97N-468Alternative Method of Earthquake Description for Class 2 and 3Piping of Low Seismicity Sites, Section III, Division 111/92N-470Class MC Material Requirements [NE-2121(c)], Section III, Division 13/8/92N-474-2Design Stress Intensities and Yield Strength Values for UNSN06690 With a Minimum Specified Yield Strength of 35 ksi, Class 1 Components, Section III, Division 11/1/00N-475Materials in Inventory, Section III, Division 112/11/92N-476Class 1, 2, 3, and MC Linear Component Supports - DesignCriteria for Single Angle Members, Section III, Division 1, Subsection NF7/1/96N-482Direct Quenched Stainless Bar, ASTM A 479-88b,Section III, Division 13/5/93N-484-1Real Time Radioscopic Examination of Welds, Section III, Division 112/16/94N-492-1Grade 9 Titanium Alloy Tubing, Section III, Division 1, Class 1,2, and 31/1/00N-497-1Use of Fe-Ni-Cr-Mo-N (C-N-3MN) Cast Materials,Section III, Division 1, Class 2 and 3 Construction1/1/99N-501Alternative Rules for NCA-3800, 1990 Addenda,Section III, Division 112/31/93N-502SA-268, Grade 26-3-3 (UNS S44660), Section III, Classes 2 and 31/1/00N-507Identification of Welders, Section III, Division 27/27/95 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 26N-540Guidance on Implementation of NCA-3800 Revisions in 1994Addenda, Section III, Division 16/30/98N-549Stamping and Flow Certification of Rupture Disk Devices,Classes 2 and 3, Section III, Division 13/19/99N-551Alternative Methods of Analysis, NC/ND-3673.1, Class 2 and 3Applications, Section III, Division 18/14/97N-559SA-203, Grade E (Plate) and SA-350, Grade LF3 (Forging),3.5% Ni Nominal Composition Used in Class 1 Construction, Section III, Division 15/24/991141-7Foreign Produced Steel7/23/761434-1Postweld Heat Treatment of SA-487 Class 8N Steel Castings,Section III1/1/781461-1Electron Beam Welding, Section I, III, and VIII, Division 1 and 22/16/771470-2External Pressure Charts for High-Strength Carbon Steels andfor Low-Alloy Steels, Section VIII, Division 1 and 2, and Section III11/4/741471-1Vacuum Electron Beam Welding of Tube Sheet Joints, Section III1/1/781475-1Ferritic-Austenitic Stainless Steel Seamless Tubes for SectionIII, Class 2 and 3 Construction7/1/751477-1Use of 1970 Addenda of ANSI B31.7, Section III1/1/781494-1Weld Procedure Qualification Test, Section III1/1/78 1506Stress Intensification Factors, Section III, Class 2 and 3 Piping1/1/78 1515Ultrasonic Examination of Ring Forgings for Shell Sections,Section III, Class 1 Vessels7/1/77 1529Materials for Instrument Line Fittings, Section III7/1/73 1531Electrical Penetrations, Special Alloys for Electrical PenetrationSeals, Section III3/21/77 1532Section III, Class 3 Components Made of 8 Percent and 9Percent Nickel Steel1/1/78 1533Pressure Temperature Ratings of SA-351 Grades CF8A, CF3,and CF3M, Section III7/1/751535-2Hydrostatic Testing of Section III, Class 1 Valves3/21/77 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 27 1536Closing Seam for Electrical Penetrations for Section III, Class2, 3, and MC7/1/771553-1Upset Heading and Roll Threading of SA-453 for Bolting inSection III1/1/761555-1Certification of Safety Relief Valves, Section III, Division 11/1/78 1567Testing Lots of Carbon and Low Alloy Steel CoveredElectrodes, Section III1/1/78 1568Testing Lots of Flux Cored and Fabricated Carbon and LowAlloy Steel Welded Electrodes, Section III1/1/78 1573Vacuum Relief Valves, Section III1/1/78 1574Hydrostatic Test Pressure for Safety Relief Valves, Section III12/31/741580-1Buttwelded Alignment Tolerance and Acceptable Slopes forConcentric Centerlines for Section III, Class 1, 2, and 3 Construction1/1/78 1581Power-Operated Pressure Relief Valves, Section III3/1/79 1583Use of 80-40 Carbon Steel Castings, Section III3/21/77 1587SA-508 Class 3 Forgings with 0.4/1.0 Ni for Section III and VIII,Division 2 Construction12/31/75 1590Chemical Analysis Variations, Section III Construction3/21/77 1601Limits of Reinforcement for Two-Thirds Area, Section III, Class 17/1/741602-1Use of SB-42 Alloy 122, SB-111 Alloys 122, 715 and 706 andSB-466 Alloys 706 and 715, Section III, Class 2 and 3 Components12/31/74 1603Toughness Tests When Cross-Section Limits Orientation andLocation of Specimens7//1/74 1605Cr-Ni-Mo-V Bolting Material for Section III, Class 1Components3/17/801608-1Use of ASME SB-265, SB-337, SB-338, and SB-381, Grades1, 2, 3, and 7 Unalloyed Titanium and ASTM B-363 Titanium Welding Fittings, Section III, Class 2 and 3 Components3/21/77 1613Use of SA-372 Class IV Forgings, Section III Construction1/1/78 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 28 1614Hydrostatic Testing of Piping Prior To or Following theInstallation of Spray Nozzles for Section III, Classes 1, 2, and 3 Piping Systems1/1/79 1615Use of A587-73, Section III, Class 3 Construction1/1/78 1616Ultrasonic Examination of Seamless Austenitic Steel Pipe,Section III, Class 1 Construction7/1/75 1622PWHT of Repair Welds in Carbon Steel Castings, Section III,Class 1, 2, and 31/1/76 1623Design by Analysis for Section III, Class 1 Sleeve-Coupled andOther Patented Piping Joints3/1/79 1625Repair of Section III Class 2 and 3 Tanks12/31/74 1633Brazing of Seats to Class 1, 2, and 3 Valve Body or Bonnets,Section III1/1/78 1637Effective Date for Compliance with NA-3700 ofSection III1/1/75 1645Use of DeLong Diagram for Calculating the Delta FerriteContent of Welds in Section III, Class 1, 2, and CS Construction1/1/76 1648SA-537 Plates for Section III, Class 1, 2, 3, and MCComponents7/1/76 1649Modified SA-453-GR 660 for Class 1, 2, 3, and CSConstruction1/1/76 1650Use of SA-414 Grade C for Class 2 and 3 Components,Section III, Division 112/31/74 1651Interim Requirements for Certification of Component Supports,Section III, Subsection NF3/1/79 1657Stress Criteria for Class 2 and 3 Atmospheric and LowPressure (0-15 psig) Steel Storage Tanks7/1/77 1659Interconnection of Two Piping Systems for Section III, Class 1,2, and 3 Construction7/1/77 1661Postweld Heat Treatment P-No.1 Materials for Section III, Class 1 Vessels1/1/78 1662Shop Assembly of Components, Appurtenances and PipingSubassemblies for Section III, Class 1, 2, 3, and MC Construction1/1/78 CODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 29 1664Use of Cr-Ni-Fe-Mo-Cu-Cb Stabilized Alloy Cb-3 for Section IIIClass 2 and 3 Construction3/21/77 1666Use of SB-12, Alloy 122 for Class 2 and 3 Construction7/1/751682-1Alternate Rules for Material Manufacturers and Suppliers,Section III, Subarticle NA-370021/31/75 1672Nuclear Valves for Section III, Division 1, Class 1, 2, 3Construction3/21/77 1675Tubesheet to Shell or Formed Head Weld Joints, Section III, Class 1 Vessels7/1/76 1676Clarification of Stress Intensities in Curved Pipe or WeldedElbows, Section III7/1/76 1678Butterfly Valves of Circular Cross Section Larger than 24 in.NPS for Section III, Class 2 and 3 Construction1/1/801683-1Bolt Holes for Section III, Class 1, 2, 3 and MC ComponentSupports7/1/76 1684A637 Grade 718 for Bolting Class 1 and 2 Construction1/1/76 1685Furnace Brazing Section III, Class 1, 2, 3 and MC Construction1/1/78 1686Furnace Brazing, Section III, Subsection NF, ComponentSupports1/1/78 1690Stock Materials for Section III Construction, Section III, Division 11/1/77 1691Ultrasonic Examination in Lieu of Radiography of Repair Weldsfor Vessels, Section III, Class 11/1/78 1703Brazing of Copper Alloys, Section III, Class 21/1/78 1706Data Report Forms for Component Supports, Section III, Class1, 2 and 312/31/75 1713Small Material Items, Section III, Division 1, Class 1, 2, 3, CSand MC12/31/75 1718Design of Structural Connections for Linear Type ComponentSupports, Section III, Division 1, Class 1, 2 and 3 and MC7/1/76 1719Single-Welded, Full-Penetration Sidewall Butt Joints inAtmospheric Storage Tanks, Section III, Division 1, Class 27/1/76 Table 3 - Annulled Unconditionally Approved Section III Code CasesCODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 30 1728Steel Structural Shapes and Small Material Products forComponents Supports, Section II, Division 1 Construction7/1/77 1740Weld Metal Test, Section III, Class 1, 2, 3, MC and CS7/1/761741-1Interim Rules for the Required Number of Impact Tests forRolled Shapes, Section III, Division 1, Subsection NF, Components Supports1/1/78 1742Use of SB-75 Annealed Copper Alloy 122, Section III, Division1, Class 2 Construction7/1/76 1743Use of SB-98 Cu-SiB Rod CDA651 Section III, Division 1,Class 2 Components7/1/76 1760Maximum Dimensions for Isolated Pores in Welds-Class 1Components, Section III, Division 17/1/77 1765Machining After Hydrostatic Testing Class 2 and 3Construction, Section III, Division 17/1/77 1766Testing Requirements for Welding Materials, Class 1, 2, 3, MCand CS Construction, Section III, Division 17/177 1767Examination of Tubular Products Without Filler Metal-Class 1Construction, Section III, Division 11/1/77 1768Permanent Attachments to Containment Vessels-Class MC,Section III, Division 11/1/781769-1Qualification of NDE Level III Personnel, Section III, Division 110/1/77 1773Use of Other Product Forms of Materials for Valves, SectionIII, Division 17/1/77 1775Data Report Forms for Core Support Structures, Class CS,Section III, Division 18/13/79 1777Use of SA-106, Grade C in Class MC Construction, Section III, Division 17/1/77 1787Depth of Weld Repairs for Forgings, Section III, Division 1,Class 1, 2, 3, MC and CS Construction1/1/78 1798Use of ASTM A352-75, Grades LCA and LCC, Section III,Division 1, Class 1, 2, and 31/1/78 1808F-Number Classification of Low Alloy and Carbon Steel BareRod Electrodes, Sections I, II, III, IV, V, VIII, and IX.1/1/78 Table 4 - Annulled Conditionally Acceptable Section III Code CasesCODE CASENUMBERTABLE 3ANNULLED UNCONDITIONALLY APPROVED CODE CASESANNULMENT DATE 31 1810Testing Lots of Carbon Steel Solid, Bare Welding Electrode orWire, Section III, Division 1, Class 1, 2, 3, MC, and CS3/3/80 1819Use of Type XM-19 for Construction, Section III, Division 1,Class 1, 2, 31/1/784. ANNULLED CONDITIONALLY ACCEPTABLE SECTION III CODE CASESThe annulled Code Cases listed in Table 4 below were conditionally approved bythe NRC. The ASME issues Section III Code Cases quarterly in supplements to a specific edition; i.e., a new edition of Section III is published every three years, and supplements are published quarterly. Hence, there are 12 supplements to each edition.TABLE 4 - ANNULLED CONDITIONALLY ACCEPTABLESECTION III CODE CASESCODE CASENUMBERTABLE 4ANNULLED CONDITIONALLY ACCEPTABLE CODE CASESANNULMENT DATETITLE / CONDITIONN-11-5(1414-5)High Yield Strength Cr-Mo Steel for Section III, Division 1, Class 1 Vessels8/29/80The information required to be developed by Note 1 in theCode Case should be provided in each referencing Safety Analysis Report.N-31-1Elastomer Diaphragm Valves, Section III, Division 1, Classes 2 and 37/1/93Each applicant who applies the Code Case should indicatein the referencing Safety Analysis Report that the service life of the elastomer diaphragm should not exceed the manufacturer's 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-32-4Hydrostatic Testing of Embedded Class 2 and Class 3 Pipingfor Section III, Division 1 Construction3/16/84 CODE CASENUMBERTABLE 4ANNULLED CONDITIONALLY ACCEPTABLE CODE CASESANNULMENT DATETITLE / CONDITION 32The acceptance of Code Case N-32-4 was based on thefollowing clarification and interpretation. Code Case N 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.
CODE                              TABLE 3 CASE      ANNULLED UNCONDITIONALLY APPROVED CODE                    ANNULMEN NUMBER                              CASES                              T DATE N-443-2 High Yield Strength Cr-Mo Steel, Class 1 Components, Section       1/1/01 III, Division 1 N-451  Alternative Rules for Analysis of Piping Under Seismic            8/14/96 Loading, Class 1, Section III, Division 1 N-459  SA-508 Basic Oxygen-Ladle Furnace Process for Code                3/14/94 Construction, Section III, Division 1 N-462  Alternative Rules for Analysis of Piping Products Under            5/24/96 Seismic Loading, Class 2 and 3 Piping Systems, Section III, Division 1 N-466-1 Modified 9Cr-1Mo Material, Section III, Division 1, Classes 1,    8/14/97 2, and 3 N-468  Alternative Method of Earthquake Description for Class 2 and 3      11/92 Piping of Low Seismicity Sites, Section III, Division 1 N-470  Class MC Material Requirements [NE-2121(c)], Section III,         3/8/92 Division 1 N-474-2 Design Stress Intensities and Yield Strength Values for UNS        1/1/00 N06690 With a Minimum Specified Yield Strength of 35 ksi, Class 1 Components, 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 Supports - Design          7/1/96 Criteria for Single Angle Members, Section III, Division 1, Subsection NF N-482  Direct Quenched Stainless Bar, ASTM A 479-88b,                     3/5/93 Section III, Division 1 N-484-1 Real Time Radioscopic Examination of Welds, Section III,          12/16/94 Division 1 N-492-1 Grade 9 Titanium Alloy Tubing, Section III, Division 1, Class 1,   1/1/00 2, and 3 N-497-1 Use of Fe-Ni-Cr-Mo-N (C-N-3MN) Cast Materials,                     1/1/99 Section III, Division 1, Class 2 and 3 Construction N-501  Alternative Rules for NCA-3800, 1990 Addenda,                     12/31/93 Section III, Division 1 N-502  SA-268, Grade 26-3-3 (UNS S44660), Section III,                   1/1/00 Classes 2 and 3 N-507  Identification of Welders, Section III, Division 2                7/27/95 25
CODE CASENUMBERTABLE 4ANNULLED CONDITIONALLY ACCEPTABLE CODE CASESANNULMENT DATETITLE / CONDITION 33N-32-4(cont'd)Hydrostatic Testing of Embedded Class 2 and Class 3 Pipingfor Section III, Division 1 Construction3/16/84Paragraph (1) contains an additional requirement to theCode. 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 17/13/81The material from which the basic calibration block isfabricated 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 B&PV Code, 1977 Edition.N-100(1711)Pressure Relief Valve Design Rules, Section III, Division 1,Class 1, 2 and 31/1/83The following information should be provided in the SafetyAnalysis Report:
CODE                              TABLE 3 CASE      ANNULLED UNCONDITIONALLY APPROVED CODE                      ANNULMEN NUMBER                              CASES                                T DATE N-540  Guidance on Implementation of NCA-3800 Revisions in 1994            6/30/98 Addenda, Section III, Division 1 N-549  Stamping and Flow Certification of Rupture Disk Devices,            3/19/99 Classes 2 and 3, Section III, Division 1 N-551  Alternative Methods of Analysis, NC/ND-3673.1, Class 2 and 3         8/14/97 Applications, Section III, Division 1 N-559  SA-203, Grade E (Plate) and SA-350, Grade LF3 (Forging),             5/24/99 3.5% Ni Nominal Composition Used in Class 1 Construction, Section III, Division 1 1141-7  Foreign Produced Steel                                              7/23/76 1434-1  Postweld Heat Treatment of SA-487 Class 8N Steel Castings,           1/1/78 Section III 1461-1  Electron Beam Welding, Section I, III, and VIII, Division 1 and     2/16/77 2
1470-2  External Pressure Charts for High-Strength Carbon Steels and        11/4/74 for Low-Alloy Steels, Section VIII, Division 1 and 2, and Section III 1471-1  Vacuum Electron Beam Welding of Tube Sheet Joints, Section           1/1/78 III 1475-1  Ferritic-Austenitic Stainless Steel Seamless Tubes for Section      7/1/75 III, Class 2 and 3 Construction 1477-1 Use of 1970 Addenda of ANSI B31.7, Section III                      1/1/78 1494-1  Weld Procedure Qualification Test, Section III                      1/1/78 1506    Stress Intensification Factors, Section III, Class 2 and 3 Piping    1/1/78 1515    Ultrasonic Examination of Ring Forgings for Shell Sections,         7/1/77 Section III, Class 1 Vessels 1529    Materials for Instrument Line Fittings, Section III                  7/1/73 1531    Electrical Penetrations, Special Alloys for Electrical Penetration  3/21/77 Seals, Section III 1532    Section III, Class 3 Components Made of 8 Percent and 9              1/1/78 Percent Nickel Steel 1533    Pressure Temperature Ratings of SA-351 Grades CF8A, CF3,             7/1/75 and CF3M, Section III 1535-2  Hydrostatic Testing of Section III, Class 1 Valves                  3/21/77 26
 
CODE                             TABLE 3 CASE      ANNULLED UNCONDITIONALLY APPROVED CODE                       ANNULMEN NUMBER                              CASES                                T DATE 1536    Closing Seam for Electrical Penetrations for Section III, Class    7/1/77 2, 3, and MC 1553-1 Upset Heading and Roll Threading of SA-453 for Bolting in          1/1/76 Section III 1555-1  Certification of Safety Relief Valves, Section III,                 1/1/78 Division 1 1567    Testing Lots of Carbon and Low Alloy Steel Covered                  1/1/78 Electrodes, Section III 1568    Testing Lots of Flux Cored and Fabricated Carbon and Low            1/1/78 Alloy Steel Welded Electrodes, Section III 1573    Vacuum Relief Valves, Section III                                  1/1/78 1574    Hydrostatic Test Pressure for Safety Relief Valves, Section III    12/31/74 1580-1  Buttwelded Alignment Tolerance and Acceptable Slopes for            1/1/78 Concentric Centerlines for Section III, Class 1, 2, and 3 Construction 1581    Power-Operated Pressure Relief Valves, Section III                  3/1/79 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, 12/31/75 Division 2 Construction 1590    Chemical Analysis Variations, Section III Construction              3/21/77 1601    Limits of Reinforcement for Two-Thirds Area, Section III, Class     7/1/74 1
1602-1  Use of SB-42 Alloy 122, SB-111 Alloys 122, 715 and 706 and        12/31/74 SB-466 Alloys 706 and 715, Section III, Class 2 and 3 Components 1603    Toughness Tests When Cross-Section Limits Orientation and          7//1/74 Location of Specimens 1605    Cr-Ni-Mo-V Bolting Material for Section III, Class 1                3/17/80 Components 1608-1  Use of ASME SB-265, SB-337, SB-338, and SB-381, Grades              3/21/77 1, 2, 3, and 7 Unalloyed Titanium and ASTM B-363 Titanium Welding Fittings, Section III, Class 2 and 3 Components 1613    Use of SA-372 Class IV Forgings, Section III Construction          1/1/78 27
 
CODE                             TABLE 3 CASE      ANNULLED UNCONDITIONALLY APPROVED CODE                       ANNULMEN NUMBER                              CASES                                T DATE 1614    Hydrostatic Testing of Piping Prior To or Following the              1/1/79 Installation of Spray Nozzles for Section III, Classes 1, 2, and 3 Piping Systems 1615    Use of A587-73, Section III, Class 3 Construction                    1/1/78 1616    Ultrasonic Examination of Seamless Austenitic Steel Pipe,           7/1/75 Section III, Class 1 Construction 1622    PWHT of Repair Welds in Carbon Steel Castings, Section III,         1/1/76 Class 1, 2, and 3 1623    Design by Analysis for Section III, Class 1 Sleeve-Coupled and      3/1/79 Other Patented Piping Joints 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,         1/1/78 Section III 1637    Effective Date for Compliance with NA-3700 of                        1/1/75 Section III 1645    Use of DeLong Diagram for Calculating the Delta Ferrite              1/1/76 Content of Welds in Section III, Class 1, 2, and CS Construction 1648    SA-537 Plates for Section III, Class 1, 2, 3, and MC                7/1/76 Components 1649    Modified SA-453-GR 660 for Class 1, 2, 3, and CS                    1/1/76 Construction 1650    Use of SA-414 Grade C for Class 2 and 3 Components,                 12/31/74 Section III, Division 1 1651    Interim Requirements for Certification of Component Supports,       3/1/79 Section III, Subsection NF 1657    Stress Criteria for Class 2 and 3 Atmospheric and Low                7/1/77 Pressure (0-15 psig) Steel Storage Tanks 1659    Interconnection of Two Piping Systems for Section III, Class 1,     7/1/77 2, and 3 Construction 1661    Postweld Heat Treatment P-No.1 Materials for Section III,           1/1/78 Class 1 Vessels 1662    Shop Assembly of Components, Appurtenances and Piping                1/1/78 Subassemblies for Section III, Class 1, 2, 3, and MC Construction 28
 
CODE                             TABLE 3 CASE      ANNULLED UNCONDITIONALLY APPROVED CODE                         ANNULMEN NUMBER                              CASES                                  T DATE 1664    Use of Cr-Ni-Fe-Mo-Cu-Cb Stabilized Alloy Cb-3 for Section III        3/21/77 Class 2 and 3 Construction 1666    Use of SB-12, Alloy 122 for Class 2 and 3 Construction                7/1/75 1682-1  Alternate Rules for Material Manufacturers and Suppliers,           21/31/75 Section III, Subarticle NA-3700 1672    Nuclear Valves for Section III, Division 1, Class 1, 2, 3            3/21/77 Construction 1675    Tubesheet to Shell or Formed Head Weld Joints, Section III,           7/1/76 Class 1 Vessels 1676    Clarification of Stress Intensities in Curved Pipe or Welded          7/1/76 Elbows, Section III 1678    Butterfly Valves of Circular Cross Section Larger than 24 in.         1/1/80 NPS for Section III, Class 2 and 3 Construction 1683-1 Bolt Holes for Section III, Class 1, 2, 3 and MC Component            7/1/76 Supports 1684    A637 Grade 718 for Bolting Class 1 and 2 Construction                1/1/76 1685    Furnace Brazing Section III, Class 1, 2, 3 and MC Construction        1/1/78 1686    Furnace Brazing, Section III, Subsection NF, Component                1/1/78 Supports 1690    Stock Materials for Section III Construction, Section III, Division   1/1/77 1
1691    Ultrasonic Examination in Lieu of Radiography of Repair Welds        1/1/78 for Vessels, Section III, Class 1 1703    Brazing of Copper Alloys, Section III, Class 2                        1/1/78 1706    Data Report Forms for Component Supports, Section III, Class        12/31/75 1, 2 and 3 1713    Small Material Items, Section III, Division 1, Class 1, 2, 3, CS    12/31/75 and MC 1718    Design of Structural Connections for Linear Type Component            7/1/76 Supports, Section III, Division 1, Class 1, 2 and 3 and MC 1719    Single-Welded, Full-Penetration Sidewall Butt Joints in              7/1/76 Atmospheric Storage Tanks, Section III, Division 1, Class 2 29
 
Table 3 - Annulled Unconditionally Approved Section III Code Cases CODE                              TABLE 3 CASE      ANNULLED UNCONDITIONALLY APPROVED CODE                       ANNULMEN NUMBER                              CASES                                  T DATE 1728    Steel Structural Shapes and Small Material Products for                7/1/77 Components Supports, Section II, Division 1 Construction 1740    Weld Metal Test, Section III, Class 1, 2, 3, MC and CS                7/1/76 1741-1  Interim Rules for the Required Number of Impact Tests for              1/1/78 Rolled Shapes, Section III, Division 1, Subsection NF, Components Supports 1742    Use of SB-75 Annealed Copper Alloy 122, Section III, Division          7/1/76 1, Class 2 Construction 1743    Use of SB-98 Cu-SiB Rod CDA651 Section III, Division 1,               7/1/76 Class 2 Components 1760    Maximum Dimensions for Isolated Pores in Welds-Class 1                7/1/77 Components, Section III, Division 1 1765    Machining After Hydrostatic Testing Class 2 and 3                      7/1/77 Construction, Section III, Division 1 1766    Testing Requirements for Welding Materials, Class 1, 2, 3, MC          7/177 and CS Construction, Section III, Division 1 1767    Examination of Tubular Products Without Filler Metal-Class 1          1/1/77 Construction, Section III, Division 1 1768    Permanent Attachments to Containment Vessels-Class MC,                 1/1/78 Section III, Division 1 1769-1  Qualification of NDE Level III Personnel, Section III, Division 1      10/1/77 1773    Use of Other Product Forms of Materials for Valves, Section            7/1/77 III, Division 1 1775    Data Report Forms for Core Support Structures, Class CS,               8/13/79 Section III, Division 1 1777    Use of SA-106, Grade C in Class MC Construction, Section III,         7/1/77 Division 1 1787    Depth of Weld Repairs for Forgings, Section III, Division 1,           1/1/78 Class 1, 2, 3, MC and CS Construction 1798    Use of ASTM A352-75, Grades LCA and LCC, Section III,                 1/1/78 Division 1, Class 1, 2, and 3 1808    F-Number Classification of Low Alloy and Carbon Steel Bare            1/1/78 Rod Electrodes, Sections I, II, III, IV, V, VIII, and IX.
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Table 4 - Annulled Conditionally Acceptable Section III Code Cases CODE                                        TABLE 3 CASE                ANNULLED UNCONDITIONALLY APPROVED CODE                         ANNULMEN NUMBER                                        CASES                                    T DATE 1810              Testing Lots of Carbon Steel Solid, Bare Welding Electrode or          3/3/80 Wire, Section III, Division 1, Class 1, 2, 3, MC, and CS 1819              Use of Type XM-19 for Construction, Section III, Division 1,           1/1/78 Class 1, 2, 3
: 4.     ANNULLED CONDITIONALLY ACCEPTABLE SECTION III CODE CASES The annulled Code Cases listed in Table 4 below were conditionally approved by the NRC. The ASME issues Section III Code Cases quarterly in supplements to a specific edition; i.e., a new edition of Section III is published every three years, and supplements are published quarterly. Hence, there are 12 supplements to each edition.
TABLE 4 - ANNULLED CONDITIONALLY ACCEPTABLE SECTION III CODE CASES CODE                                        TABLE 4                                  ANNULMEN CASE            ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES                          T DATE NUMBER TITLE / CONDITION N-11-5           High Yield Strength Cr-Mo Steel for Section III, Division 1, Class       8/29/80 (1414-5)          1 Vessels 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           7/1/93 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 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              3/16/84 for Section III, Division 1 Construction 31
 
CODE                               TABLE 4                      ANNULMEN CASE    ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES              T DATE NUMBER TITLE / CONDITION The acceptance of Code Case N-32-4 was based on the following clarification and interpretation. Code Case N       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.
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CODE                               TABLE 4                          ANNULMEN CASE  ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES                    T DATE NUMBER TITLE / CONDITION N-32-4   Hydrostatic Testing of Embedded Class 2 and Class 3 Piping        3/16/84 (contd) for Section III, Division 1 Construction 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     Waiver of Ultrasonic Transfer Method, Section III, V, and VIII,   7/13/81 (1698)  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. 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 B&PV Code, 1977 Edition.
N-100   Pressure Relief Valve Design Rules, Section III, Division 1,     1/1/83 (1711)  Class 1, 2 and 3 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 Case for Class and paragraph 3.2, Section II, of the Case for Class 2 and 3 pressure relief valves.
(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 Case for Class and paragraph 3.2, Section II, of the Case for Class 2 and 3 pressure relief valves.
CODE CASENUMBERTABLE 4ANNULLED CONDITIONALLY ACCEPTABLE CODE CASESANNULMENT DATETITLE / CONDITION 34N-100(1711)
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(cont'd)Pressure Relief Valve Design Rules, Section III,Division 1, Class 1, 2 and 31/1/83(2) If Case 1660 is to be used in conjunction with the Case,it should be stated that the stress limits of Case 1660 supersede those of paragraph 3.2(b), Section I, of 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 Construction8/14/93The acceptance of weld end preparations other than thoseshown 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 11/1/79The applicant should provide justification in the referencingSafety 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 andMC Construction of Component Supports1/1/78If the configuration of Figure 1 of the Code Case is used forClass 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.
 
CODE                               TABLE 4                              ANNULMEN CASE  ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES                      T DATE NUMBER TITLE / CONDITION N-100   Pressure Relief Valve Design Rules, Section III,                     1/1/83 (1711)  Division 1, Class 1, 2 and 3 (contd)
(2) If Case 1660 is to be used in conjunction with the Case, it should be stated that the stress limits of Case 1660 supersede those of paragraph 3.2(b), Section I, of Case 1711. Functional assurance of (1) above is required in all situations.
N-106-2 Weld End Preparation for Section III, Division 1 Construction        8/14/93 (1720-2)
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   Alternate Test Fluids, Section III, Division 1                      1/1/79 (1727)
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   Weld Design for Use for Section III, Division 1, Class 1, 2, 3 and  1/1/78 (1734)  MC Construction of Component Supports 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.
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.
CODE CASENUMBERTABLE 4ANNULLED CONDITIONALLY ACCEPTABLE CODE CASESANNULMENT DATETITLE / CONDITION 35N-146-1(1780-1)Hydrostatic Testing and Stamping of Components, Section III,Division 1, Construction1/1/82On a generic basis, the application of the Code Case islimited to pumps and valves. Application to other components should be treated on a case-by-case basis.
34
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.N-175(1818)Welded Joints in Component Standard Supports, Section III, Division 17/1/79That portion of the unwelded housing that is limited to 90maximum should include a minimum of two sectors that are uniform in length.N-199Intervening Elements, Section III, Division 1, Classes 1, 2, 3and MC Component Construction1/1/81The applicants should provide information in thereferencing Safety Analysis Report that demonstrates that all intervening elements have been designed in compliance with the requirements of the respective design specification.N-238High Temperature Furnace Brazing of Seat Rings in ValveBodies or Bonnets for Section III, Division 1, Class 1, 2, and 3


Valves1/1/82The furnace brazing process procedure qualification shouldinclude a verification for nonsensitization as given in ASTM A 262-70, Practices A or E, or ASTM A 708-74 whenever materials subject to sensitization are to be brazed.
CODE                                TABLE 4                            ANNULMEN CASE    ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES                    T DATE NUMBER TITLE / CONDITION N-146-1  Hydrostatic Testing and Stamping of Components, Section III,      1/1/82 (1780-1) 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 piping reaction loadings be simulated in the hydrostatic testing.
N-175    Welded Joints in Component Standard Supports, Section III,        7/1/79 (1818)  Division 1 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    1/1/81 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.
N-238    High Temperature Furnace Brazing of Seat Rings in Valve            1/1/82 Bodies or Bonnets for Section III, Division 1, Class 1, 2, and 3 Valves The furnace brazing process procedure qualification should include a verification for nonsensitization as given in ASTM A 262-70, Practices A or E, or ASTM A 708-74 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.
Documentation is required that a nonsensitizing brazing procedure was employed for valves produced to this Case.
CODE CASENUMBERTABLE 4ANNULLED CONDITIONALLY ACCEPTABLE CODE CASESANNULMENT DATETITLE / CONDITION 36N-242-1Materials Certification, Section III, Division 1, Classes 1, 2, 3,MC, and CS Construction6/30/84Applicants should identify in their Safety Analysis Reportsthe components and supports for which the Code Case is being applied and should specify the respective paragraphs of the Code Case.N-252Low Energy Capacitive Discharge Welding Method forTemporary or Permanent Attachments to Components and Supports, Section III, Division 1, and XI7/1/82The applicant should indicate in the Safety Analysis Reportthe application, the material, and the material thickness to which the strain gage or thermocouple will be attached by CD welding.N-260-2Weld Repair of SA-182 Type 316 Forgings, Section III, Division1, Classes 1, 2, 3, and MC12/5/88Type 308L welding materials should not be used to repairgrade F 316 N forgings because of the difference in strength levels.N-263Alternate Thread Forms, Series and Fits for ComponentSupports, Section III, Division 13/17/83The following information should be provided in the SafetyAnalysis 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-274Alternative Rules for Examination of Weld Repairs for SectionIII, Division 1 Construction6/30/86The ultrasonic examination procedures shall be proven byactual demonstration, to the satisfaction of the Authorized Nuclear Inspector, that the procedures are capable of detecting unacceptable cracks according to Section XI requirements.
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CODE CASENUMBERTABLE 4ANNULLED CONDITIONALLY ACCEPTABLE CODE CASESANNULMENT DATETITLE / CONDITION 37N-275Repair of Welds, Section III, Division 112/31/83Use of the Code Case is applicable only when the removalof 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-279Use of Torquing as a Locking Device for Section III, Division 1,Class 1, 2, 3, and MC Component Supports7/13/81When torquing or other preloading is used as a lockingdevice 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-310-1Certification of Bolting Materials, Section III, Division 1, Class 1,2, 3, MC and CS7/1/82Each applicant who applies the Code Case should indicatein the referencing 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.N-314Alternate Rules for Thread Engagement, Section III, Division 15/11/84Applicants should identify in their Safety Analysis Report(1) the minimum length of thread engagement and (2) the procedure used to establish thread engagement.N-348N-348-1 N-348-2Use of SA-574 Socket Weld Head Cap Screws, Section III, Division 19/7/852/20/89 8/14/93Applicants should justify in their Safety Analysis Reportswhy use of these socket head cap screws will not result in early failure from stress corrosion cracking.N-350Postweld Heat Treatment-Thickness of Material, Section III, Division 19/5/85 CODE CASENUMBERTABLE 4ANNULLED CONDITIONALLY ACCEPTABLE CODE CASESANNULMENT DATETITLE / CONDITION 38Applicants wishing to use this Case for other than P-1materials should demonstrate that the use of this Case will not adversely affect the required material properties.N-383-1Weld Repair of SA-182 Austenitic Forgings, Section III, Division1, Classes 1, 2, and 39/5/85Applicants who apply the provisions of this Case to permitmaterial 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-397Alternative Rules to the Spectral Broadening Procedures of N-1226.3 for Classes 1, 2, and 3 Piping, Section III, Division 12/20/87The Code Case is acceptable for specific plant applicationson 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."N-398Reporting of Charpy-V Notch Test Results, Section III, Division 12/20/87The Code Case is not acceptable to steam generator orreactor coolant pump supports. Applicants wishing to use this Code 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-404Annealed Alloy UNS N06625 Over UNS N06600 BimetallicTubing, Section III, Division 1, Class 112/11/95The outside layer of the bimetallic tubing should be limitedto 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. [Note: condition contained in Revision 31 of this guide.]
 
CODE CASENUMBERTABLE 4ANNULLED CONDITIONALLY ACCEPTABLE CODE CASESANNULMENT DATETITLE / CONDITION 39N-411-1Alternative Damping Values for Response Spectra Analysis ofClass 1, 2, and 3 Piping, Section III, Division 15/5/00(1) The Code Case damping should be used completelyand 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," are to be used).
CODE                               TABLE 4                              ANNULMEN CASE  ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES                      T DATE NUMBER TITLE / CONDITION N-242-1 Materials Certification, Section III, Division 1, Classes 1, 2, 3,   6/30/84 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.
N-252  Low Energy Capacitive Discharge Welding Method for                  7/1/82 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.
N-260-2 Weld Repair of SA-182 Type 316 Forgings, Section III, Division      12/5/88 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.
N-263  Alternate Thread Forms, Series and Fits for Component                3/17/83 Supports, Section III, Division 1 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        6/30/86 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 according to Section XI requirements.
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CODE                               TABLE 4                                ANNULMEN CASE  ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES                          T DATE NUMBER TITLE / CONDITION 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,       7/13/81 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-310-1 Certification of Bolting Materials, Section III, Division 1, Class 1,   7/1/82 2, 3, MC and CS Each applicant who applies the Code Case should indicate in the referencing 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.
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   Use of SA-574 Socket Weld Head Cap Screws, Section III,                 9/7/85 N-348-1 Division 1                                                              2/20/89 N-348-2                                                                        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 Treatment-Thickness of Material, Section III,             9/5/85 Division 1 37
 
CODE                               TABLE 4                            ANNULMEN CASE  ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES                    T DATE NUMBER TITLE / CONDITION Applicants wishing to use this Case for other than P-1 materials should demonstrate that the use of this Case will not adversely affect the required material properties.
N-383-1 Weld Repair of SA-182 Austenitic Forgings, Section III, Division  9/5/85 1, Classes 1, 2, and 3 Applicants who apply the provisions of this 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-     2/20/87 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 Regulatory Guide 1.122, Development of Floor Design Response Spectra for Seismic Design of Floor-Supported Equipment or Components.
N-398  Reporting of Charpy-V Notch Test Results, Section III, Division   2/20/87 1
The Code Case is not acceptable to steam generator or reactor coolant pump supports. Applicants wishing to use this Code 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              12/11/95 Tubing, Section III, Division 1, Class 1 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. [Note: condition contained in Revision 31 of this guide.]
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CODE                               TABLE 4                          ANNULMEN CASE  ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES                  T DATE NUMBER TITLE / CONDITION N-411-1 Alternative Damping Values for Response Spectra Analysis of    5/5/00 Class 1, 2, and 3 Piping, Section III, Division 1 (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, 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).
(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).
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 acceptance of the use with other types of dynamic analyses (e.g., time-history analyses or independent support motion method) 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.
(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).
(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. [Note: conditions contained in Revision 31 of this guide.]
(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. [Note: conditions contained in Revision 31 of this guide.]
CODE CASENUMBERTABLE 4ANNULLED CONDITIONALLY ACCEPTABLE CODE CASESANNULMENT DATETITLE / CONDITION 40N-430Alternative Requirements for Welding Workmanship and VisualAcceptance Criteria for Class 1, 2, 3 and MC Linear-Type and Standard Supports, Section III, Division 17/1/93(1) The applicant should demonstrate that the applicablesupports 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."1361-2Socket Welds, Section III3/1/79Code Case 1361-2 was acceptable when used inconnection with Section III, paragraph NB-3356, Fillet Welds.1412-4Modified High Yield Strength Steel for Section III, Division 1, Class 1 Vessels1/1/77The information required to be developed by Note 1 in theCode 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 4.1423-2Wrought Type 304 and 316 with Nitrogen Added, Sections I, III,VIII, Division 1 and 27/1/77Code Case 1423-2 was acceptable subject to compliancewith the recommendations contained in Regulatory Guides 1.31, "Control of Ferrite Content in Stainless Steel Weld Metal," and 1.44, "Control of the Use of Sensitized Stainless Steel."
39
CODE CASENUMBERTABLE 4ANNULLED CONDITIONALLY ACCEPTABLE CODE CASESANNULMENT DATETITLE / CONDITION 411521-1Use of H-Grades of SA-240, SA-479, SA-336, andSA-358, Section III1/1/78Code Case 1521-1 was acceptable subject to compliancewith the recommendations contained in Regulatory Guides 1.31, "Control of Ferrite Content in Stainless Steel Weld Metal," and 1.44, "Control of the Use of Sensitized Stainless Steel."1528-3High Strength Steel SA-508, Class 2 and SA-541, Class 2Forgings, Section III, Class 1 Components1/1/78The information required to be developed by Note 1 in theCode Case should be provided in each referencing Safety Analysis Report.
 
1569Design of Piping for Pressure Relief Valve Station, Section III7/1/79Code Case 1569 was acceptable subject to compliancewith the recommendations contained in Regulatory Guide 1.67, "Installation of Over-pressure Protection Devices."1606-1Stress Criteria Section III, Classes 2 and 3 Piping Subject toUpset, Emergency, and Faulted Operating Conditions7/1/77Code Case 1606-1 was acceptable subject to theinterpretation that the stress limit designations of "Upset,"
CODE                               TABLE 4                            ANNULMEN CASE  ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES                    T DATE NUMBER TITLE / CONDITION N-430  Alternative Requirements for Welding Workmanship and Visual      7/1/93 Acceptance Criteria for Class 1, 2, 3 and MC Linear-Type and Standard Supports, Section III, Division 1 (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.
"Emergency," and "Faulted" do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems.
1361-2  Socket Welds, Section III                                        3/1/79 Code Case 1361-2 was acceptable when used in connection with Section III, paragraph NB-3356, Fillet Welds.
These designations should be established and justified in the design specifications.1607-1Stress Criteria for Section III, Classes 2 and 3 VesselsDesigned to NC/NC-3300 Excluding the NC-3200 Alternate7/1/77Code Case 1607-1 was acceptable subject to theinterpretation that the stress limit designations of "Upset,"
1412-4  Modified High Yield Strength Steel for Section III, Division 1,   1/1/77 Class 1 Vessels 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.
"Emergency," and "Faulted" do not necessarily imply agreement with specified plant conditions applicable to ASME Code Class 2 and 3 components for fluid systems.
1423-2  Wrought Type 304 and 316 with Nitrogen Added, Sections I, III,   7/1/77 VIII, Division 1 and 2 Code Case 1423-2 was acceptable subject to compliance with the recommendations contained in Regulatory Guides 1.31, Control of Ferrite Content in Stainless Steel Weld Metal, and 1.44, Control of the Use of Sensitized Stainless Steel.
40
 
CODE                               TABLE 4                          ANNULMEN CASE  ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES                    T DATE NUMBER TITLE / CONDITION 1521-1  Use of H-Grades of SA-240, SA-479, SA-336, and                    1/1/78 SA-358, Section III Code Case 1521-1 was acceptable subject to compliance with the recommendations contained in Regulatory Guides 1.31, Control of Ferrite Content in Stainless Steel Weld Metal, and 1.44, Control of the Use of Sensitized Stainless Steel.
1528-3  High Strength Steel SA-508, Class 2 and SA-541, Class 2          1/1/78 Forgings, Section III, Class 1 Components 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  7/1/79 Code Case 1569 was acceptable subject to compliance with the recommendations contained in Regulatory Guide 1.67, Installation of Over-pressure Protection Devices.
1606-1  Stress Criteria Section III, Classes 2 and 3 Piping Subject to    7/1/77 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 applicable to ASME Code Class 2 and 3 components for fluid systems.
These designations should be established and justified in the design specifications.
These designations should be established and justified in the design specifications.
CODE CASENUMBERTABLE 4ANNULLED CONDITIONALLY ACCEPTABLE CODE CASESANNULMENT DATETITLE / CONDITION 421635-1Stress Criteria for Section III, Class 2 and 3 Valves Subjected toUpset, Emergency, and Faulted Operating Conditions7/1/77Code Case 1635-1 was acceptable subject to theinterpretation that the stress limit designations of "Upset,"
1607-1  Stress Criteria for Section III, Classes 2 and 3 Vessels          7/1/77 Designed to NC/NC-3300 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 applicable to ASME Code Class 2 and 3 components for fluid systems.
"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.
These designations should be established and justified in the design specifications.1636-1Stress Criteria for Section III, Class 2 and 3 Valves Subjected toUpset, Emergency, and Faulted Operating Conditions7/1/77Code Case 1636-1 was acceptable subject to theinterpretation that the stress limit designations of "Upset,"
41
"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.1689-1Alternate 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 CS1/1/78The alternate postweld heat treatment should beprequalified along with the applicable welding procedure in accordance with ASME Section IX.1783-1Qualification of Nondestructive Examination Personnel, SectionIII, Division 11/1/79The first sentence of paragraph (1) should be replaced withthe 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."5. CODE CASES SUPERSEDED BY REVISED CODE CASES The Code Cases listed in Table 5 were approved in prior versions of the guide andhave 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 43Case. Note: Code Cases listed without conditions were unconditionally approved for useby the NRC.TABLE 5 - SECTION III CODE CASES THAT HAVE BEENSUPERSEDED BY REVISED CODE CASES ON OR AFTER JULY 1, 1974CODE CASENUMBERTABLE 5,  CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATEN-5(1344-5)Nickel-Chromium, Age-Hardenable Alloys (Alloy X750),Section III12/13/82N-7(1358-5)High Yield Strength Steel, Section III, Division 1, Class 1 Vessels12/13/82The information required to be developed by Note 1 in theCode Case should be provided in each referencing Safety Analysis Report.N-20(1484-3)
CODE                                      TABLE 4                              ANNULMEN CASE        ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES                        T DATE NUMBER TITLE / CONDITION 1635-1        Stress Criteria for Section III, Class 2 and 3 Valves Subjected to    7/1/77 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 applicable to ASME Code Class 2 and 3 components for fluid systems.
N-20-1SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) atNickel-Iron-Chromium Alloy 800 at a Specified Minimum Yield Strength of 40.0 Ksi, Section III, Division 1, Class 19/5/8512/7/87N-20-2N-20-3SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) atNickel-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 111/30/882/26/99N-30-1(1539)Metal Bellows and Metal Diaphragm Stem Sealed Valves, SectionIII, Classes 1, 2, and 311/21/77N-31(1540-2)Elastomer Diaphragm Valves, Section III, Class 2 and 37/18/85Each applicant who applies the Code Case should indicate inthe referencing Safety Analysis Report that the service life of the elastomer diaphragm should not exceed the manufacturer's 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 IX4/5/84N-60(1618-2)
These designations should be established and justified in the design specifications.
N-60-1Material for Core Support Structures, Section III, Division 1,Subsection NG5/25/839/17/84Welding 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.
1636-1        Stress Criteria for Section III, Class 2 and 3 Valves Subjected to    7/1/77 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 applicable to ASME Code Class 2 and 3 components for fluid systems.
CODE CASENUMBERTABLE 5, CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 44N-60-2N-60-3 N-60-4Material for Core Support Structures, Section III, Division 1,Subsection NG9/5/855/13/91 2/15/94Welding 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)
These designations should be established and justified in the design specifications.
N-62-3 N-62-4 N-62-5 N-62-6Internal and External Valve Items, Section III, Division 1, Class 1, 2 and 3 Line Valves7/18/859/5/857/24/8912/11/895/11/94The Code requires that Class 1 and Class 2 valvemanufacturers 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)
1689-1        Alternate PWHT Time and Temperature for SA-182 Grade F-              1/1/78 22, SA-387 Grade 22, Class 2, and SA-335 Grade P-22 Section III, Class 1, 2, 3 and CS The alternate postweld heat treatment should be prequalified along with the applicable welding procedure in accordance with ASME Section IX.
N-71-8 (1644-8)Additional Materials for Component Supports, Section III, Division1, Subsection NF, Class 1, 2, 3 and MC Component Supports5/15/781/7/80The maximum measured ultimate tensile strength (UTS) ofthe 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.
1783-1        Qualification of Nondestructive Examination Personnel, Section        1/1/79 III, Division 1 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.
CODE CASENUMBERTABLE 5,  CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 45N-71-9(1644-9)Additional Materials for Component Supports Fabricated byWelding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports5/11/81In the last sentence of paragraph 5.3, reference should bemade 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-71-10N-71-11Additional Materials for Component Supports Fabricated byWelding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports6/17/822/14/83The maximum measured ultimate tensile strength (UTS) ofthe 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.
: 5. CODE CASES SUPERSEDED BY REVISED CODE CASES The Code Cases listed in Table 5 were approved in prior versions of the 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 42
CODE CASENUMBERTABLE 5,  CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 46N-71-12Additional Materials for Component Supports Fabricated byWelding, Section III, Division 1, Class 1, 2, 3 and MC2/20/84The maximum measured ultimate tensile strength (UTS) ofthe 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 shall be performed in accordance with NF-4622 except that for ASTM A-710 Grade A material, it should be at least 1000F(540C) and should not exceed 1150F (620C) for Class 1and Class 2 material and 1175F (640C) for Class 3material. The new holding time at temperature for weld thickness (nominal) should be 30 minutes for 1/2 inch or less, 1 hour per inch for thickness over 1/2 inch to 5 inches, and 5 hours plus 15 minutes for each additional inch over 5 inches.
 
CODE CASENUMBERTABLE 5, CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 47N-71-13N-71-14 N-71-15 N-71-16Additional Materials for Subsection NF, Classes 1, 2, 3 and MCComponent Supports Fabricated by Welding, Section III, Division 112/5/8512/16/862/12/9312/31/96The maximum measured ultimate tensile strength (UTS) ofthe 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
Case. 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                  TABLE 5, CODE CASES SUPERSEDED BY                          REVISIO CASE                            REVISED CODE CASES                                    N NUMBER                                                                                DATE N-5          Nickel-Chromium, Age-Hardenable Alloys (Alloy X750),                    12/13/82 (1344-5)      Section III N-7          High Yield Strength Steel, Section III, Division 1, Class 1 Vessels    12/13/82 (1358-5)
The information required to be developed by Note 1 in the Code Case should be provided in each referencing Safety Analysis Report.
N-20         SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at                9/5/85 (1484-3)      Nickel-Iron-Chromium Alloy 800 at a Specified Minimum Yield N-20-1        Strength of 40.0 Ksi, Section III, Division 1, Class 1                  12/7/87 N-20-2       SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at              11/30/88 N-20-3        Nickel-Iron-Chromium Alloy 800 at a Specified Minimum Yield              2/26/99 Strength of 40.0 Ksi and Cold Worked Alloy 800 at a yield strength of 47.0 Ksi, Section III, Division 1, Class 1 N-30-1        Metal Bellows and Metal Diaphragm Stem Sealed Valves, Section          11/21/77 (1539)        III, Classes 1, 2, and 3 N-31          Elastomer Diaphragm Valves, Section III, Class 2 and 3                  7/18/85 (1540-2)
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          Inertia and Continuous Drive Friction Welding, Section I, III, IV,       4/5/84 (1609-1)      VIII, Division 1 and 2, and IX N-60          Material for Core Support Structures, Section III, Division 1,          5/25/83 (1618-2)     Subsection NG                                                            9/17/84 N-60-1 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.
43
 
CODE              TABLE 5, CODE CASES SUPERSEDED BY                        REVISIO CASE                        REVISED CODE CASES                                N NUMBER                                                                        DATE N-60-2  Material for Core Support Structures, Section III, Division 1,       9/5/85 N-60-3  Subsection NG                                                        5/13/91 N-60-4                                                                        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  Internal and External Valve Items, Section III, Division 1, Class 1, 7/18/85 (1621-2) 2 and 3 Line Valves N-62-3                                                                        9/5/85 N-62-4  The Code requires that Class 1 and Class 2 valve                      7/24/89 N-62-5  manufacturers meet the provisions of NCA 4000, Quality              12/11/89 N-62-6  Assurance, and, in addition, Class 3 valve manufacturers            5/11/94 should also meet the provisions of NCA-4000.
N-71-7  Additional Materials for Component Supports, Section III, Division    5/15/78 (1644-7) 1, Subsection NF, Class 1, 2, 3 and MC Component Supports N-71-8                                                                        1/7/80 (1644-8) 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.
44
 
CODE              TABLE 5, CODE CASES SUPERSEDED BY                      REVISIO CASE                        REVISED CODE CASES                              N NUMBER                                                                      DATE N-71-9  Additional Materials for Component Supports Fabricated by          5/11/81 (1644-9) Welding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports 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-71-10  Additional Materials for Component Supports Fabricated by          6/17/82 N-71-11  Welding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and 2/14/83 MC Component Supports 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.
45
 
CODE            TABLE 5, CODE CASES SUPERSEDED BY                    REVISIO CASE                        REVISED CODE CASES                            N NUMBER                                                                    DATE N-71-12 Additional Materials for Component Supports Fabricated by        2/20/84 Welding, Section III, Division 1, Class 1, 2, 3 and MC 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 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 1/2 inch or less, 1 hour per inch for thickness over 1/2 inch to 5 inches, and 5 hours plus 15 minutes for each additional inch over 5 inches.
46
 
CODE              TABLE 5, CODE CASES SUPERSEDED BY                        REVISIO CASE                        REVISED CODE CASES                                N NUMBER                                                                        DATE N-71-13  Additional Materials for Subsection NF, Classes 1, 2, 3 and MC        12/5/85 N-71-14  Component Supports Fabricated by Welding, Section III, Division 1   12/16/86 N-71-15                                                                        2/12/93 N-71-16 The maximum measured ultimate tensile strength (UTS) of              12/31/96 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 1/2 inch or less, 1 hour per inch for thickness over 1/2 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 the USNRC Standard Review Plan (NUREG-0800) 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-77    External Pressure Charts for High Yield Strength Carbon Steels        7/10/78 (1630)  and Low Alloy Steels (Yield strength above 38 Ksi to 60 Ksi Inclusive) For Section III, Class 1, 2, 3, and MC; and Section VIII, Division 1 and 2 47
 
CODE              TABLE 5, CODE CASES SUPERSEDED BY                      REVISIO CASE                        REVISED CODE CASES                              N NUMBER                                                                      DATE N-95-1  Determination of Capacities of Vacuum Relief Valves, Section III,    7/9/79 (1701-1) Division 1 and 2, Class MC N-102-1  Postweld Heat Treatmen of P-1 Material, Section III, Class MC      8/28/78 (1714-2)
N-119-2  Pump Internal Items, Section III, Division 1, Class 1, 2, and 3    8/25/80 (1739-2)
N-119-3                                                                      12/1/80 (1739-3 N-119-4                                                                      7/18/85 (1739-4)
N-119-5 N-122    Stress Indices for Structural Attachments, Class 1, Section III,    7/24/89 Division 1 N-133    Use of SB-148 Alloy CA954 for Section III, Division 1, Class 2 or 3 1/14/77 (1761-1) Flanged End Valves N-133-1  Use of SB-148 Alloys 952 and 954, Section III, Division 1, Class 3  5/19/85 N-133-2                                                                      7/18/85 N-154    Projection Resistance Welding of Valve Seats, Section III, Division 12/5/85 (1791)  1, Class 1, 2 and 3 Valves N-160    Finned Tubing for Construction, Section III, Division 1            7/18/85 (1797)
N-188    Use of Welded Ni-Fe-Cr-Mo-Cu (Alloy 825) and Ni-Cr-Mo-Cb            1/1/78 (Alloy 625) Tubing, Section III, Division 1, Class 3 N-192    Use of Flexible Hose for Section III, Division 1, Class 1, 2, and 3 8/30/79 N-192-1  Construction                                                        9/16/81 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 iwth 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              1/8/79 Analysis is Performed for Section III, Division 1, Class 1 Construction N-207    Use of Modified SA-479 Type XM-19 for Section III, Division 1,      3/19/79 Class 1, 2, or 3 Construction N-214    Use of SA-351, Grade CN7M, for Valves for Section III, Division 1,  9/7/82 N-214-1  Construction                                                        5/25/83 48


1000F (540C) and should not exceed 1150F (620C) forClass 1 and Class 2 material and 1175F (640C) for Class 3material. The new holding time at temperature for weld thickness (nominal) should be 30 minutes for 1/2 inch or less, 1 hour per inch for thickness over 1/2 inch to 5 inches, and 5 hours plus 15 minutes for each additional inch over 5 inches.
CODE             TABLE 5, CODE CASES SUPERSEDED BY                          REVISIO CASE                        REVISED CODE CASES                                N NUMBER                                                                        DATE N-224   Use of ASTM A500 Grade B and ASTM A501 Structural Tubing for          5/11/81 Welded Attachments for Section III, Class 2 and 3 Construction 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,       5/25/83 Classes 2 and 3 N-242  Materials Certification, Section III, Division 1, Classes 1, 2, 3, MC, 4/10/80 and CS Construction 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.
The fracture toughness of Classes 1, 2, and 3 component supports should be characterized in accordance with Section 5.3.4 of the USNRC Standard Review Plan (NUREG-0800) 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-77(1630)External Pressure Charts for High Yield Strength Carbon Steelsand Low Alloy Steels (Yield strength above 38 Ksi to 60 Ksi Inclusive) For Section III, Class 1, 2, 3, and MC; and Section VIII, Division 1 and 27/10/78 CODE CASENUMBERTABLE 5, CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 48N-95-1(1701-1)Determination of Capacities of Vacuum Relief Valves, Section III,Division 1 and 2, Class MC7/9/79N-102-1(1714-2)Postweld Heat Treatmen of P-1 Material, Section III, Class MC8/28/78N-119-2(1739-2)
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                5/25/83 N-249  Additional Materials for Component Supports Fabricated Without        5/11/81 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, 4, and 5 of the Code Case and should be so indicated on line 5 of the Reply.
N-119-3 (1739-3 N-119-4 (1739-4)
N-249-1 Additional Materials for Component Supports Fabricated Without        6/17/82 Welding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports 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.
N-119-5Pump Internal Items, Section III, Division 1, Class 1, 2, and 38/25/8012/1/80 7/18/85N-122Stress Indices for Structural Attachments, Class 1, Section III, Division 17/24/89N-133(1761-1)Use of SB-148 Alloy CA954 for Section III, Division 1, Class 2 or 3 Flanged End Valves1/14/77N-133-1N-133-2Use of SB-148 Alloys 952 and 954, Section III, Division 1, Class 35/19/857/18/85N-154(1791)Projection Resistance Welding of Valve Seats, Section III, Division1, Class 1, 2 and 3 Valves12/5/85N-160(1797)Finned Tubing for Construction, Section III, Division 17/18/85N-188Use of Welded Ni-Fe-Cr-Mo-Cu (Alloy 825) and Ni-Cr-Mo-Cb(Alloy 625) Tubing, Section III, Division 1, Class 31/1/78N-192N-192-1Use of Flexible Hose for Section III, Division 1, Class 1, 2, and 3Construction8/30/799/16/81The applicant should indicate system application, design andoperating pressure, and pressure-temperature rating of the flexible hose. Data to demonstrate compliance of the flexible hose iwth NC/ND-3649, particularly NC-ND-3649.4(e), are required to be furnished with the application.N-196Exemption from the Shake-down Requirements When PlasticAnalysis is Performed for Section III, Division 1, Class 1 Construction1/8/79N-207Use of Modified SA-479 Type XM-19 for Section III, Division 1,Class 1, 2, or 3 Construction3/19/79N-214N-214-1Use of SA-351, Grade CN7M, for Valves for Section III, Division 1,Construction9/7/825/25/83 CODE CASENUMBERTABLE 5,  CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 49N-224 Use of ASTM A500 Grade B and ASTM A501 Structural Tubing forWelded Attachments for Section III, Class 2 and 3 Construction5/11/81N-237Hydrostatic Testing of Internal Piping, Section III, Division 19/7/82N-237-1Hydrostatic Testing of Internal Piping, Section III, Division 1, Classes 2 and 35/25/83N-242Materials Certification, Section III, Division 1, Classes 1, 2, 3, MC,and CS Construction4/10/80Applicants should identify the components and supportsrequiring the use of paragraphs 1.0 through 4.0 of the Code Case in their Safety Analysis Reports.N-246Use of SB-169 Alloy CA614, Section III, Division 1, Class 39/7/82N-246-1SB-169, Alloy C 61400, Section III, Division 1, Class 35/25/83N-249Additional Materials for Component Supports Fabricated WithoutWelding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports5/11/81Footnote 2 of the Code Case should apply to all materialslisted in Tables 1, 2, 3, 4, and 5 of the Code Case and should be so indicated on line 5 of the "Reply."N-249-1Additional Materials for Component Supports Fabricated WithoutWelding, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports6/17/82Paragraph 7 of the "Reply" should reference the requirementsof NF-2600 instead of NF-2800. This is a typographical error in that NF-2800 does not exist.N-249-2N-249-3Additional Materials for Subsection NF Class 1, 2, 3, and MCComponent Supports Fabricated Without Welding, Section III, Division 12/14/832/20/84 CODE CASENUMBERTABLE 5,  CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 50N-249-4N-249-5Additional Material for Subsection NF, Classes 1, 2, 3, and MCComponent Supports Fabricated Without Welding, Section III, Division 19/17/844/8/85The fracture toughness requirements as listed in Code CaseN-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 the USNRC Standard Review Plan (NUREG-0800) or on a case-by-case
N-249-2 Additional Materials for Subsection NF Class 1, 2, 3, and MC          2/14/83 N-249-3 Component Supports Fabricated Without Welding, Section III,           2/20/84 Division 1 49


basis.N-249-6N-249-7 N-249-8 N-249-9 N-249-10 N-249-11 N-249-12Additional Material for Subsection NF, Classes 1, 2, 3, and MCComponent Supports Fabricated Without Welding, Section III, Division 19/5/8512/5/8512/16/865/6/895/13/91 2/12/93 5/11/94The fracture toughness requirements apply only to pipingsupports and not to Classes 1, 2, and 3 component supports.
CODE              TABLE 5, CODE CASES SUPERSEDED BY                    REVISIO CASE                        REVISED CODE CASES                            N NUMBER                                                                      DATE N-249-4  Additional Material for Subsection NF, Classes 1, 2, 3, and MC    9/17/84 N-249-5  Component Supports Fabricated Without Welding, Section III,        4/8/85 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 the USNRC Standard Review Plan (NUREG-0800) or on a case-by-case basis.
The fracture toughness of Classes 1, 2, and 3 component supports should be characterized in accordance with Section 5.3.4 of the USNRC Standard Review Plan (NUREG-0800) or on a case-by-case basis. The following is to be added to paragraph (5) of the: 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-260Weld Repair of SA-182 Type 316 Forgings, Section III, Division 1,Classes 1, 2, 3, and MC7/18/85N-260-1Weld Repair of SA-182 Type 316 Forgings, Section III, Division 1,Classes 1, 2, 3, and MC12/5/85Type 308 L welding materials should not be used to repairgrade F 316 N forgings because of the difference in strength levels.N-265Modified SA-487 Castings, Section III, Division 1, Class 15/19/85N-284Metal Containment Shell Buckling Design Methods, Section III,Division 1, Class MC7/27/92If axisymmetric techniques are employed in the analysis ofvessels with large openings, the applicability of the methodology in these applications should be demonstrated.
N-249-6  Additional Material for Subsection NF, Classes 1, 2, 3, and MC    9/5/85 N-249-7  Component Supports Fabricated Without Welding, Section III,       12/5/85 N-249-8  Division 1                                                        12/16/86 N-249-9                                                                    5/6/89 N-249-10 The fracture toughness requirements apply only to piping          5/13/91 N-249-11 supports and not to Classes 1, 2, and 3 component supports.       2/12/93 N-249-12 The fracture toughness of Classes 1, 2, and 3 component           5/11/94 supports should be characterized in accordance with Section 5.3.4 of the USNRC Standard Review Plan (NUREG-0800) or on a case-by-case basis. The following is to be added to paragraph (5) of the: 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 CASENUMBERTABLE 5,  CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 51N-299Use of Nickel-Chromium-Molybdenum-Columbium Alloy 625Forgings, Section III, Division 1, Class 2 and Class 3 Components7/18/85N-304N-304-1 N-304-2 N-304-3Use of 20 Cr-25Ni-6Mo (Alloy UNS N08366) Welded Tubes forSection III, Division 1, Classes 2 and 3 Construction7/12/845/19/85 12/5/85 2/23/87N-309Identification of Materials for Component Supports, Section III, Division 15/11/84N-318N-318-1 N-318-2 N-318-3 N-318-4Procedure for Evaluation of the Design of Rectangular CrossSection Attachments on Class 2 or 3 Piping, Section III, Division 12/20/847/12/849/5/8512/11/894/28/94Applicants 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 Case is to be
N-260    Weld Repair of SA-182 Type 316 Forgings, Section III, Division 1, 7/18/85 Classes 1, 2, 3, and MC N-260-1  Weld Repair of SA-182 Type 316 Forgings, Section III, Division 1, 12/5/85 Classes 1, 2, 3, and MC 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    Metal Containment Shell Buckling Design Methods, Section III,     7/27/92 Division 1, Class MC If axisymmetric techniques are employed in the analysis of vessels with large openings, the applicability of the methodology in these applications should be demonstrated.
50


applied.N-319N-319-1 N-319-2Alternate Procedure for Evaluation of Stresses in Butt WeldElbows in Class 1 Piping, Section III, Division 17/24/898/14/90 1/17/00N-321Use of Modified SA-249, Type 304, Section III, Division 1, Class 1Construction12/5/85N-337Use of ASTM B 525-70 Grade II, Type II, Sintered AusteniticStainless Steel for Class 2, 3, and MC Component Standard Supports, Section III, Division 17/18/85N-345Attachment of AMS 5382 Alloy 31 Seat Rings by Friction Welding,Section III, Division 1, Classes 1, 2, and 312/13/82N-352Use of SA-638 Grade 660 Forgings and Bars Below 700FWithout Stress Rupture Tests, Section III, Division 17/18/85N-362Alternate Rules for Pressure Testing of Containment Items,Section III, Division 112/13/82N-362-1Pressure Testing of Containment Items, Section III, Division 1,Classes 1, 2, and MC7/12/84N-370N-370-1Modified SA-705 Grade XM-13 Forgings, Section III, Division 17/18/8512/5/85N-37112Cr-1W-1Mo-1/4V Martensitic Stainless Steel Valve Internals,Section III, Division 17/18/85N-379 Bimetallic Tubing Section III, Division 1, Class 17/18/85 CODE CASENUMBERTABLE 5,  CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 52N-383Weld Repair of SA-182 Austenitic Forgings, Section III, Division 1,Classes 1, 2, and 37/18/85Applicants who apply the provisions of the Case to permitmaterial 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-391Procedure for Evaluation of the Design of Hollow Circular CrossSection Welded Attachments on Class 1 Piping, Section III, Division 17/24/89N-391-1Procedure for Evaluation of the Design of Hollow Circular CrossSection Welded Attachments on Class 1 Piping, Section III, Division 18/24/95The following typographical errors need to be corrected: 1) Inequation (3) the + sign should be changed to an = sign. 2) In equation (4) the first + sign should be changed to an = sign.N-392Procedure for Evaluation of the Design of Hollow Circular CrossSection Welded Attachments on Classes 2 and 3 Piping, Section III, Division 112/11/89N-392-1Procedure for Evaluation of the Design of Hollow Circular CrossSection Welded Attachments on Classes 2 and 3 Piping, Section III, Division 112/11/92Applicants 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 Case is to be
CODE            TABLE 5, CODE CASES SUPERSEDED BY                      REVISIO CASE                        REVISED CODE CASES                              N NUMBER                                                                      DATE N-299  Use of Nickel-Chromium-Molybdenum-Columbium Alloy 625                7/18/85 Forgings, Section III, Division 1, Class 2 and Class 3 Components N-304  Use of 20 Cr-25Ni-6Mo (Alloy UNS N08366) Welded Tubes for            7/12/84 N-304-1 Section III, Division 1, Classes 2 and 3 Construction                5/19/85 N-304-2                                                                      12/5/85 N-304-3                                                                      2/23/87 N-309  Identification of Materials for Component Supports, Section III,    5/11/84 Division 1 N-318  Procedure for Evaluation of the Design of Rectangular Cross          2/20/84 N-318-1 Section Attachments on Class 2 or 3 Piping, Section III, Division 1  7/12/84 N-318-2                                                                      9/5/85 N-318-3 Applicants should identify in their Safety Analysis Report: (1)    12/11/89 N-318-4 the method of lug attachment, (2) the piping system involved,        4/28/94 and (3) the location in the system where the Case is to be applied.
N-319   Alternate Procedure for Evaluation of Stresses in Butt Weld          7/24/89 N-319-1 Elbows in Class 1 Piping, Section III, Division 1                    8/14/90 N-319-2                                                                      1/17/00 N-321  Use of Modified SA-249, Type 304, Section III, Division 1, Class 1  12/5/85 Construction N-337  Use of ASTM B 525-70 Grade II, Type II, Sintered Austenitic          7/18/85 Stainless Steel for Class 2, 3, and MC Component Standard Supports, Section III, Division 1 N-345  Attachment of AMS 5382 Alloy 31 Seat Rings by Friction Welding,     12/13/82 Section III, Division 1, Classes 1, 2, and 3 N-352  Use of SA-638 Grade 660 Forgings and Bars Below 700-F                7/18/85 Without Stress Rupture Tests, Section III, Division 1 N-362  Alternate Rules for Pressure Testing of Containment Items,         12/13/82 Section III, Division 1 N-362-1 Pressure Testing of Containment Items, Section III, Division 1,     7/12/84 Classes 1, 2, and MC N-370   Modified SA-705 Grade XM-13 Forgings, Section III, Division 1        7/18/85 N-370-1                                                                      12/5/85 N-371  12Cr-1W-1Mo-1/4V Martensitic Stainless Steel Valve Internals,       7/18/85 Section III, Division 1 N-379  Bimetallic Tubing Section III, Division 1, Class 1                   7/18/85 51


applied.N-392-2Procedure for Evaluation of the Design of Hollow Circular CrossSection Welded Attachments on Classes 2 and 3 Piping, Section III, Division 112/12/94Applicants 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 Case is to be
CODE              TABLE 5, CODE CASES SUPERSEDED BY                      REVISIO CASE                        REVISED CODE CASES                              N NUMBER                                                                      DATE N-383  Weld Repair of SA-182 Austenitic Forgings, Section III, Division 1,  7/18/85 Classes 1, 2, and 3 Applicants who apply the provisions of the 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      7/24/89 Section Welded Attachments on Class 1 Piping, Section III, Division 1 N-391-1 Procedure for Evaluation of the Design of Hollow Circular Cross      8/24/95 Section Welded Attachments on Class 1 Piping, Section III, Division 1 The following typographical errors need to be corrected: 1) In equation (3) the + sign should be changed to an = sign. 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    12/11/89 Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 1 N-392-1 Procedure for Evaluation of the Design of Hollow Circular Cross    12/11/92 Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 1 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 Case is to be applied.
N-392-2 Procedure for Evaluation of the Design of Hollow Circular Cross    12/12/94 Section Welded Attachments on Classes 2 and 3 Piping, Section III, Division 1 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 Case is to be applied.
52


applied.
CODE             TABLE 5, CODE CASES SUPERSEDED BY                    REVISIO CASE                        REVISED CODE CASES                              N NUMBER                                                                      DATE N-411  Alternative Damping Values for Seismic Analysis of Classes 1, 2,   2/20/86 and 3 Piping Sections, Section III, Division 1 (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, Damping Values for Seismic Design of Nuclear Power Plants, should be used).
CODE CASENUMBERTABLE 5, CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 53N-411Alternative Damping Values for Seismic Analysis of Classes 1, 2,and 3 Piping Sections, Section III, Division 12/20/86(1) The damping values specified may be used in analyzingpiping 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, "Damping Values for Seismic Design of Nuclear Power Plants," 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-Reference NUREG/CR-3526. The acceptance of the use with other types of dynamic analyses (e.g., time-history analysis) is pending further justification.
(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-Reference 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-418Use of Seamless Ni-Fe-Cr-Mo-Cu Low Carbon (UNS N08028 andUNS N08904) Tubing, Section III, Division 1, Classes 2 and 37/30/86N-438N-438-1 N-438-2Fe-24.5Ni-21Cr-6.5 Mo-0.2N (Alloy UNS N08367) Seamless andWelded Pipe, Tube, Plate, Bar, Fittings, and Forgings, Class 2 and 3 Construction, Section III, Division 13/8/893/5/907/27/92N-438-3UNS N08367 Material, Section III, Division 1, Class 2 and 3Construction5/24/96N-439Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Forgings, Plate,Seamless and Welded Pipe, and Welded Tube, Class 2 and 3 Construction, Section III, Division 17/10/00N-440Use of 20Cr-18Ni-6Mo (Alloy UNS J93254) Castings, Class 2 and3 Construction, Section III, Division 17/10/00N-441N-441-1Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Fittings, Class 2 and 3Construction, Section III, Division 111/25/927/10/00 CODE CASENUMBERTABLE 5, CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 54N-443N-443-1High Yield Strength Cr-Mo Steel, Class 1 Components, Section III, Division 13/8/8911/11/99N-453Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNSN08925) Welded Pipe for Class 2 and 3 Construction, Section III, Division 111/30/88N-453-1Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNSN08925) Seamless and Welded Pipe for Class 2 and 3 Construction, Section III, Division 14/30/92N-453-2Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNSN08925 and N08926) Seamless and Welded Pipe for Class 2 and 3 Construction, Section III, Division 112/12/95N-454Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNSN08925) Wrought Fittings for Class 2 and 3 Construction, Section III, Division 14/30/92N-455Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNSN08925) Forged Flanges and Fittings for Class 2 and 3 Construction, Section III, Division 14/30/92N-466Modified 9Cr-1Mo Material, Section III, Division 1, Classes 1, 2, and 34/30/90N-469Martensitic Stainless Steel for Class 1, 2, and 3 Components,Section III, Division 16/14/00N-474Design Stress Intensities and Yield Strength Values for Alloy 690With a Minimum Yield Strength of 35 ksi, Class 1 Components, Section III, Division 13/5/90N-474-1Design Stress Intensities and Yield Strength Values for UNSN06690 With a Minimum Specified Yield Strength of 35 ksi, Class 1 Components, Section III, Division 112/9/93N-484Real Time Radioscopic Examination of Welds, Section III, Division 112/16/91N-492Grade 9 Titanium Alloy Tubing, Section III, Division 1, Class 1, 2, and 35/11/94N-497Use of Fe-Ni-Cr-Mo-N (C-N-3MN) Cast Materials, Section III,Division 1, Class 2 and 3 Construction12/9/93N-510Borated Stainless Steel for Class CS Core Support Structures andClass 1 Components, Section III, Division 112/12/94N-520Alternative Rules for Renewal of N-type Certificates for Plants Notin Active Construction, Section III, Division 110/26/94 CODE CASENUMBERTABLE 5, CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 55N-564-1UNS J93380, Alloy CD3MWCuN, Class 2 and 3 Construction,Section III, Division 112/31/96N-580Use of Alloy 600 With Columbium Added, Section III, Division 15/20/981332-6Requirements for Steel Forgings, Section III and VIII, Division 11/8/791335-9Requirements for Bolting Materials8/28/781337-91337-10Special Type 403 Modified Forgings or Bars, Section III4/28/755/15/781395-3SA-508, Class 2 Forgings with Modified Manganese Content,Section III or Section VIII, Division 21/8/791407-2Time of Examination for Class 1, 2, and 3, Section III Vessels7/1/741414-31414-4High Yield Strength Cr-Mo Steel for Section III, Division 1, Class 1 Vessels3/1/768/9/77The information required to be developed by Note 1 in the CodeCase should be provided in each referencing Safety Analysis Report.1484-1SB-163 Nickel-Chromium-Iron Tubing (Alloy 600) at a SpecifiedMinimum Yield Strength of 40.0 Ksi, Section III, Class 111/4/741484-2SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at aSpecified Minimum Yield Strength of 40.0 Ksi, Section III, Class 18/13/76 1492Post Weld Heat Treatment, Section I, III and VIII, Division 1 and 23/3/75 1508Allowable Stresses, Design Intensity and/or Yield Strength Values,Section I, III, and VIII, Divisions 1 and 26/30/751516-1Welding of Seats in Valves for Section III Applications8/11/751540-1Elastomer Diaphragm Valves, Section III, Classes 2 and 31/14/771541-1Hydrostatic Testing of Embedded Class 2 and Class 3 Piping forSection III Construction9/30/761541-2Hydrostatic Testing of Embedded Class 2 and Class 3 Piping forSection III, Division 1 Construction5/15/78 1552Design by Analysis of Section III, Class 1 Valves8/29/77 1553Upset Heading and Roll Threading of SA-453 for Bolting in Section III3/3/75 1555Certification of Safety Relief Valves on Liquids1/14/771557-2Steel Products Refined by Secondary Remelting1/8/79 CODE CASENUMBERTABLE 5, CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 56 1606Stress Criteria for Section III, Class 2 and 3 Piping Subjected toUpset, Emergency, and Faulted Operating Conditions12/16/74Code Case 1606 was acceptable subject to the interpretationthat the stress limit designations of "Upset," "Emergency,"
(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.
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.
N-418  Use of Seamless Ni-Fe-Cr-Mo-Cu Low Carbon (UNS N08028 and          7/30/86 UNS N08904) Tubing, Section III, Division 1, Classes 2 and 3 N-438   Fe-24.5Ni-21Cr-6.5 Mo-0.2N (Alloy UNS N08367) Seamless and          3/8/89 N-438-1 Welded Pipe, Tube, Plate, Bar, Fittings, and Forgings, Class 2 and 3/5/90 N-438-2 3 Construction, Section III, Division 1                            7/27/92 N-438-3 UNS N08367 Material, Section III, Division 1, Class 2 and 3        5/24/96 Construction N-439  Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Forgings, Plate,           7/10/00 Seamless and Welded Pipe, and Welded Tube, Class 2 and 3 Construction, Section III, Division 1 N-440  Use of 20Cr-18Ni-6Mo (Alloy UNS J93254) Castings, Class 2 and      7/10/00 3 Construction, Section III, Division 1 N-441   Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Fittings, Class 2 and 3    11/25/92 N-441-1 Construction, Section III, Division 1                              7/10/00 53
1607Stress Criteria for Section III, Classes 2 and 3 Vessels Subjectedto Upset, Emergency, and Faulted Operating Conditions11/4/74Code Case 1607 was acceptable subject to the interpretationthat 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             TABLE 5, CODE CASES SUPERSEDED BY                      REVISIO CASE                        REVISED CODE CASES                              N NUMBER                                                                      DATE N-443   High Yield Strength Cr-Mo Steel, Class 1 Components, Section III,   3/8/89 N-443-1 Division 1                                                          11/11/99 N-453  Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS              11/30/88 N08925) Welded Pipe for Class 2 and 3 Construction, Section III, Division 1 N-453-1 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS              4/30/92 N08925) Seamless and Welded Pipe for Class 2 and 3 Construction, Section III, Division 1 N-453-2 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS              12/12/95 N08925 and N08926) Seamless and Welded Pipe for Class 2 and 3 Construction, Section III, Division 1 N-454  Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS              4/30/92 N08925) Wrought Fittings for Class 2 and 3 Construction, Section III, Division 1 N-455  Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS              4/30/92 N08925) Forged Flanges and Fittings for Class 2 and 3 Construction, Section III, Division 1 N-466  Modified 9Cr-1Mo Material, Section III, Division 1, Classes 1, 2,   4/30/90 and 3 N-469  Martensitic Stainless Steel for Class 1, 2, and 3 Components,       6/14/00 Section III, Division 1 N-474  Design Stress Intensities and Yield Strength Values for Alloy 690    3/5/90 With a Minimum Yield Strength of 35 ksi, Class 1 Components, Section III, Division 1 N-474-1 Design Stress Intensities and Yield Strength Values for UNS          12/9/93 N06690 With a Minimum Specified Yield Strength of 35 ksi, Class 1 Components, Section III, Division 1 N-484  Real Time Radioscopic Examination of Welds, Section III,           12/16/91 Division 1 N-492  Grade 9 Titanium Alloy Tubing, Section III, Division 1, Class 1, 2, 5/11/94 and 3 N-497  Use of Fe-Ni-Cr-Mo-N (C-N-3MN) Cast Materials, Section III,         12/9/93 Division 1, Class 2 and 3 Construction N-510  Borated Stainless Steel for Class CS Core Support Structures and    12/12/94 Class 1 Components, Section III, Division 1 N-520  Alternative Rules for Renewal of N-type Certificates for Plants Not 10/26/94 in Active Construction, Section III, Division 1 54
1618Material for Core Support Structures, Section III, Subsection NG3/3/75(a) Welding of age-hardenable alloy SA-453 Grade 660 andSA-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.1618-1Material for Core Support Structures, Section III, Subsection NG3/1/76Welding 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.
 
1626Normalized and Tempered 1-1/4 Cr Low Alloy Steel Forgings,Section I, Section III, and Section VIII, Division 1 and 21/8/79 16341634-1Use of SB-359 for Section III, Class 3 Construction8/12/748/13/76 16441644-1 1644-2 1644-3Additional Materials for Component Supports, Section III,Subsection NF, Class 1, 2, 3, and MC Construction4/28/756/30/75 11/3/753/1/76The maximum measured ultimate tensile strength of thecomponent support material should not exceed 170 Ksi.
CODE             TABLE 5, CODE CASES SUPERSEDED BY                        REVISIO CASE                        REVISED CODE CASES                              N NUMBER                                                                        DATE N-564-1 UNS J93380, Alloy CD3MWCuN, Class 2 and 3 Construction,             12/31/96 Section III, Division 1 N-580  Use of Alloy 600 With Columbium Added, Section III, Division 1        5/20/98 1332-6  Requirements for Steel Forgings, Section III and VIII, Division 1    1/8/79 1335-9  Requirements for Bolting Materials                                    8/28/78 1337-9  Special Type 403 Modified Forgings or Bars, Section III              4/28/75 1337-10                                                                      5/15/78 1395-3  SA-508, Class 2 Forgings with Modified Manganese Content,             1/8/79 Section III or Section VIII, Division 2 1407-2  Time of Examination for Class 1, 2, and 3, Section III Vessels        7/1/74 1414-3  High Yield Strength Cr-Mo Steel for Section III, Division 1, Class 1 3/1/76 1414-4  Vessels                                                              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.
CODE CASENUMBERTABLE 5, CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 571644-41644-5 1644-6Additional Materials for Component Supports and Alternate DesignRequirements for Bolted Joints, Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Construction8/13/763/3/7711/21/77The maximum measured ultimate tensile strength (UTS) ofthe 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.
1484-1  SB-163 Nickel-Chromium-Iron Tubing (Alloy 600) at a Specified        11/4/74 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          8/13/76 Specified Minimum Yield Strength of 40.0 Ksi, Section III, Class 1 1492    Post Weld Heat Treatment, Section I, III and VIII, Division 1 and 2  3/3/75 1508    Allowable Stresses, Design Intensity and/or Yield Strength Values,   6/30/75 Section I, III, and VIII, Divisions 1 and 2 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        9/30/76 Section III Construction 1541-2  Hydrostatic Testing of Embedded Class 2 and Class 3 Piping for        5/15/78 Section III, Division 1 Construction 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     3/3/75 III 1555    Certification of Safety Relief Valves on Liquids                      1/14/77 1557-2  Steel Products Refined by Secondary Remelting                        1/8/79 55
1682Alternate Rules for Material Manufacturers and Suppliers, SectionIII, Subarticle NA-37008/11/75 1683Bolt Holes for Section III, Division 1, Class 1, 2, 3 and MCComponent Supports3/1/76 1689Alternate PWHT Time and Temperature for SA-182 Grade F22,Section III, Class 1, 2, 3 and CS9/10/76The alternate postweld heat treatment should be prequalifiedalong with the applicable welding procedure in accordance with ASME Section IX.
 
1695Brazing, Section III, Class 311/3/75 1701Determination of Capacities of Vacuum Relief Valves, Section III, Class MC3/20/78 1702Flanged Valves Larger than 24 inches for Section III, Class 1, 2and 3 Construction7/11/77 1714Postweld Heat Treatment of P-1 Material, Section III, Class MC7/11/77 CODE CASENUMBERTABLE 5, CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 58 1720Weld End Preparation for Section III, Division Construction3/1/76Weld 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.1720-1Weld End Preparation for Section III, Division Construction11/20/78The acceptance of weld end preparations other than thoseshown in Figures 1, 2, and 3 of the Code Case should be evaluated on a case-by-case basis.
CODE             TABLE 5, CODE CASES SUPERSEDED BY                      REVISIO CASE                        REVISED CODE CASES                              N NUMBER                                                                      DATE 1606    Stress Criteria for Section III, Class 2 and 3 Piping Subjected to 12/16/74 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 applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.
1722Vacuum, Carbon Deoxidized SA-508 Forgings, Section III, Division1, and VIII, Division 1 and 21/8/79 1741Interim Rules for the Required Number of Impact Tests for RolledShapes, Section III, Division 1, Subsection NF, Component Supports1/14/77 1755Alternate Rules for Examination of Welds in Piping, Class 1 and 2Construction, Section III, Division 11/14/77 1759Material for Internal Pressure Retaining Items for Pressure ReliefValves, Section III, Division 1, Class 1, 2, and 35/15/78Applicants using this Case should also use Code Case 1711for the design of pressure relief valves.
1607    Stress Criteria for Section III, Classes 2 and 3 Vessels Subjected  11/4/74 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 applicable to ASME Code Class 2 and 3 components for fluid systems. These designations should be established and justified in the design specifications.
1769Qualification of NDE Level III Personnel, Section III, Division 12/16/77 1774Minimum Wall Thickness for Class 2 and 3 Valves, Section III, Division 17/11/77 CODE CASENUMBERTABLE 5, CODE CASES SUPERSEDED BYREVISED CODE CASESREVISIO NDATE 59 1780Hydrostatic Testing and Stamping of Pumps for Class 1Construction, Section III, Division 13/10/78Each licensing application in which the Code Case is to beused 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.
1618    Material for Core Support Structures, Section III, Subsection NG    3/3/75 (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.
1783Qualification of Nondestructive Personnel, Section III, Division 11/14/77The first sentence of paragraph (1) should be replaced withthe 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."
1618-1  Material for Core Support Structures, Section III, Subsection NG    3/1/76 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.
1761Use of SB-148 Alloy CA954 for Section III, Division 1, Class 2 or 3 Flanged End Valves1/14/77 60Appendix ASUPPLEMENTS ADDRESSED IN PROPOSED REVISION 32TO REGULATORY GUIDE 1.84EDITIONSUPPLEMENT NUMBER BNCS a APPROVALDATE OF CODECASES INSUPPLEMENT b19924February 12, 199319925April 27, 1993 19926August 9, 1993 19927December 9, 1993 19928February 15, 1994 19929May 11, 1994 199210August 5, 1994 199211December 12, 1994 199212March 14, 1995 19951June 9, 1995 19952August 24, 1995 19953December 12, 1995 19954March 19, 1996 19955May 24, 1996 19956August 9, 1996 19957December 31, 1996 19958March 12, 1997 19959May 26, 1997 199510August 14, 1997 199511December 12, 1997 199512March 2, 1998 19981May 20, 1998 19982July 30, 1998 19983February 15, 1999 EDITIONSUPPLEMENT NUMBER BNCS a APPROVALDATE OF CODECASES INSUPPLEMENT b 6119984February 26, 199919985May 7, 1999 19986September 24, 199919987November 11, 1999 19988January 17, 2000 19989March 28, 2000 199810October 2, 2000 199811December 8, 2000 a   BNCS - ASME Board on Nuclear Codes and Standards b   Publication generally is 3 months after BNCS approval.
1626    Normalized and Tempered 1-1/4 Cr Low Alloy Steel Forgings,         1/8/79 Section I, Section III, and Section VIII, Division 1 and 2 1634    Use of SB-359 for Section III, Class 3 Construction                8/12/74 1634-1                                                                      8/13/76 1644   Additional Materials for Component Supports, Section III,           4/28/75 1644-1  Subsection NF, Class 1, 2, 3, and MC Construction                  6/30/75 1644-2                                                                      11/3/75 1644-3  The maximum measured ultimate tensile strength of the              3/1/76 component support material should not exceed 170 Ksi.
1  Except for those Code Cases pertaining to high temperature gas-cooled reactors; Section III, Division 2; liquidmetal; and submerged spent fuel waste casks.
56
2  Code Case is not acceptable for use; See Draft Regulatory Guide DG-1112.
 
62Appendix BNumerical Listing of Section III Code Cases inSupplement 4, 1992 Edition, through Supplement 11, 1998, Edition 1N-4-11N-7-1 N-20-3 N-20-4 N-31-1 N-47-30 N-47-31 N-47-32 N-47-33 N-48-2 N-49-4 N-50-1 N-51-2 N-60-5 N-62-6 N-62-7 N-71-16 N-71-17 N-106-2 N-119-6 N-122-2 N-131-1 N-133-3 N-154-1 N-155-2 N-160-1 N-171 N-188-1 N-192-2 N-196-1 N-205 N-208-1 N-208-2 N-213 N-231 N-240 N-241 N-243 N-246-2 N-247 N-249-12N-249-13N-262 N-265-1 N-284-1 2N-292 N-294 N-304-4 N-309-1 N-313 N-315 N-316 N-318-4 N-318-5 N-319-2 N-319-3 N-324 N-329 N-337-1 N-345-1 N-348-2 N-351 N-354-1 N-368 N-369 N-370-2 N-373-1 N-379-1 N-384-1 N-387 N-391-1 N-391-2 N-392-2 N-392-3 N-393 N-394 N-395 N-403 N-404 N-405-1 N-410 N-411-1N-418-1N-420 N-430 N-433 N-438-1 N-438-3 N-438-4 N-439 N-439-1 N-440 N-440-1 N-441-1 N-441-2 N-443-2 N-451 N-452 N-453-3 N-454-1 N-455-1 N-459 N-462 N-464 N-466-1 N-469 N-469-1 N-474-2 N-475 N-476 N-482 N-483-2 2N-483-3 2N-484-1 N-492-1 N-493 N-497-1 N-500 N-500-1 N-501 N-502 N-505 N-507N-510 2N-510-1 2N-511N-519 2N-520 N-520-1 N-525 N-530 2N-539 N-540 N-548 N-549 N-550 N-551 N-558 N-559 N-564 N-564-1 N-564-2 N-565 2N-570 N-572 N-579 N-580 N-580-1 N-594 N-595 2N-595-1 2N-595-2 2N-596 N-607 N-608 N-610 N-611 N-620 N-621 N-625 N-626 N-631 N-632 N-635 63N-636N-637 N-642 N-644 N-646 64DRAFT IMPACT STATEMENTA draft impact statement has been prepared for the publication for public commentfor proposed revisions to Regulatory Guides 1.84, "Design and Fabrication Code Case Acceptability, ASME Section III" (DG-1090), and 1.147, "Inservice Inspection Code Case Acceptability, ASME Section XI, Division 1," and one proposed regulatory guide. The proposed Revision 32 of Regulatory Guide 1.84 will combine Regulatory Guides 1.84 and 1.85. The new proposed guide is DG-1089, "Operation and Maintenance Code Case Acceptability, ASME OM Code."ASME Code Cases provide alternatives to existing requirements contained in theASME BPV and OM Codes, which have already been incorporated by reference into 10 CFR 50.55a. Hence, the inservice examinations and inservice testing provisions incorporated into 10 CFR 50.55a are currently being performed by licensees. Use of these alternatives, therefore, does not result in associated installation or continuing costs.
CODE             TABLE 5, CODE CASES SUPERSEDED BY                      REVISIO CASE                        REVISED CODE CASES                              N NUMBER                                                                      DATE 1644-4  Additional Materials for Component Supports and Alternate Design    8/13/76 1644-5  Requirements for Bolted Joints, Section III, Division 1, Subsection 3/3/77 1644-6  NF, Class 1, 2, 3, and MC Construction                              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.
In addition, since many Code Cases provide more efficient and effective examinations and tests or were developed for the purpose of reducing occupational exposure, the implementation of Code Cases reduces the burden on industry.A copy of the Draft Impact Statement is available for inspection or copying for afee in the NRC's Public Document Room at 11555 Rockville Pike, Rockville, MD. The PDR's mailing address is USNRC PDR, Washington, DC 20555; telephone (301)415-4737 or 1-(800)397-4209; fax (301)415-3548; e-mail <PDR@NRC.GOV> . The DraftImpact Statement is also available through the NRC's Electronic Reading Room under accession number ML012690636.}}
1682    Alternate Rules for Material Manufacturers and Suppliers, Section    8/11/75 III, Subarticle NA-3700 1683    Bolt Holes for Section III, Division 1, Class 1, 2, 3 and MC        3/1/76 Component Supports 1689    Alternate PWHT Time and Temperature for SA-182 Grade F22,           9/10/76 Section III, Class 1, 2, 3 and CS 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                                        11/3/75 1701    Determination of Capacities of Vacuum Relief Valves, Section III,   3/20/78 Class MC 1702    Flanged Valves Larger than 24 inches for Section III, Class 1, 2    7/11/77 and 3 Construction 1714    Postweld Heat Treatment of P-1 Material, Section III, Class MC      7/11/77 57
 
CODE             TABLE 5, CODE CASES SUPERSEDED BY                      REVISIO CASE                        REVISED CODE CASES                              N NUMBER                                                                      DATE 1720    Weld End Preparation for Section III, Division Construction        3/1/76 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 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    1/8/79 1, and VIII, Division 1 and 2 1741    Interim Rules for the Required Number of Impact Tests for Rolled    1/14/77 Shapes, Section III, Division 1, Subsection NF, Component Supports 1755    Alternate Rules for Examination of Welds in Piping, Class 1 and 2  1/14/77 Construction, Section III, Division 1 1759    Material for Internal Pressure Retaining Items for Pressure Relief  5/15/78 Valves, Section III, Division 1, Class 1, 2, and 3 Applicants using this Case should also use Code Case 1711 for the design of pressure relief valves.
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,       7/11/77 Division 1 58
 
CODE             TABLE 5, CODE CASES SUPERSEDED BY                      REVISIO CASE                        REVISED CODE CASES                            N NUMBER                                                                      DATE 1780    Hydrostatic Testing and Stamping of Pumps for Class 1              3/10/78 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. 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.
1761    Use of SB-148 Alloy CA954 for Section III, Division 1, Class 2 or 3 1/14/77 Flanged End Valves 59
 
Appendix A SUPPLEMENTS ADDRESSED IN PROPOSED REVISION 32 TO REGULATORY GUIDE 1.84 EDITION  SUPPLEMEN        BNCSa APPROVAL T NUMBER         DATE OF CODE CASES IN SUPPLEMENTb 1992          4        February 12, 1993 1992          5        April 27, 1993 1992          6        August 9, 1993 1992          7        December 9, 1993 1992          8        February 15, 1994 1992          9        May 11, 1994 1992          10        August 5, 1994 1992          11        December 12, 1994 1992          12        March 14, 1995 1995          1        June 9, 1995 1995          2        August 24, 1995 1995          3        December 12, 1995 1995          4        March 19, 1996 1995          5        May 24, 1996 1995          6        August 9, 1996 1995          7        December 31, 1996 1995          8        March 12, 1997 1995          9        May 26, 1997 1995          10        August 14, 1997 1995          11        December 12, 1997 1995          12        March 2, 1998 1998          1        May 20, 1998 1998          2        July 30, 1998 1998          3        February 15, 1999 60
 
EDITION      SUPPLEMEN        BNCSa APPROVAL T NUMBER         DATE OF CODE CASES IN SUPPLEMENTb 1998              4      February 26, 1999 1998              5      May 7, 1999 1998              6      September 24, 1999 1998              7      November 11, 1999 1998              8      January 17, 2000 1998              9      March 28, 2000 1998              10      October 2, 2000 1998              11      December 8, 2000 a
BNCS - ASME Board on Nuclear Codes and Standards b
Publication generally is 3 months after BNCS approval.
61
 
Appendix B Numerical Listing of Section III Code Cases in Supplement 4, 1992 Edition, through Supplement 11, 1998, Edition1 N-4-11                        N-249-13                        N-418-1                        N-5102 N-7-1                         N-262                          N-420                          N-510-12 N-20-3                        N-265-1                         N-430                          N-511 N-20-4                        N-284-12                        N-433                          N-5192 N-31-1                       N-292                          N-438-1                        N-520 N-47-30                      N-294                          N-438-3                        N-520-1 N-47-31                      N-304-4                        N-438-4                        N-525 N-47-32                      N-309-1                         N-439                          N-5302 N-47-33                      N-313                          N-439-1                         N-539 N-48-2                       N-315                          N-440                          N-540 N-49-4                        N-316                          N-440-1                        N-548 N-50-1                        N-318-4                        N-441-1                        N-549 N-51-2                       N-318-5                        N-441-2                        N-550 N-60-5                        N-319-2                        N-443-2                        N-551 N-62-6                        N-319-3                        N-451                          N-558 N-62-7                        N-324                          N-452                          N-559 N-71-16                      N-329                          N-453-3                         N-564 N-71-17                      N-337-1                         N-454-1                         N-564-1 N-106-2                      N-345-1                         N-455-1                        N-564-2 N-119-6                      N-348-2                        N-459                          N-5652 N-122-2                      N-351                          N-462                          N-570 N-131-1                      N-354-1                        N-464                          N-572 N-133-3                      N-368                          N-466-1                         N-579 N-154-1                      N-369                          N-469                          N-580 N-155-2                      N-370-2                        N-469-1                        N-580-1 N-160-1                       N-373-1                         N-474-2                         N-594 N-171                        N-379-1                        N-475                          N-5952 N-188-1                       N-384-1                         N-476                          N-595-12 N-192-2                      N-387                          N-482                          N-595-22 N-196-1                       N-391-1                        N-483-22                        N-596 N-205                        N-391-2                         N-483-32                        N-607 N-208-1                       N-392-2                        N-484-1                         N-608 N-208-2                      N-392-3                        N-492-1                         N-610 N-213                        N-393                          N-493                          N-611 N-231                        N-394                          N-497-1                         N-620 N-240                        N-395                          N-500                          N-621 N-241                        N-403                          N-500-1                        N-625 N-243                        N-404                          N-501                          N-626 N-246-2                       N-405-1                        N-502                          N-631 N-247                        N-410                          N-505                          N-632 N-249-12                      N-411-1                         N-507                          N-635 1
Except for those Code Cases pertaining to high temperature gas-cooled reactors; Section III, Division 2; liquid metal; and submerged spent fuel waste casks.
2 Code Case is not acceptable for use; See Draft Regulatory Guide DG-1112.
62
 
N-636 N-637 N-642 N-644 N-646 63
 
DRAFT IMPACT STATEMENT A draft impact statement has been prepared for the publication for public comment for proposed revisions to Regulatory Guides 1.84, Design and Fabrication Code Case Acceptability, ASME Section III (DG-1090), and 1.147, Inservice Inspection Code Case Acceptability, ASME Section XI, Division 1, and one proposed regulatory guide. The proposed Revision 32 of Regulatory Guide 1.84 will combine Regulatory Guides 1.84 and 1.85. The new proposed guide is DG-1089, Operation and Maintenance Code Case Acceptability, ASME OM Code.
ASME Code Cases provide alternatives to existing requirements contained in the ASME BPV and OM Codes, which have already been incorporated by reference into 10 CFR 50.55a. Hence, the inservice examinations and inservice testing provisions incorporated into 10 CFR 50.55a are currently being performed by licensees. Use of these alternatives, therefore, does not result in associated installation or continuing costs.
In addition, since many Code Cases provide more efficient and effective examinations and tests or were developed for the purpose of reducing occupational exposure, the implementation of Code Cases reduces the burden on industry.
A copy of the Draft Impact Statement is available for inspection or copying for a fee in the NRCs Public Document Room at 11555 Rockville Pike, Rockville, MD. The PDRs mailing address is USNRC PDR, Washington, DC 20555; telephone (301)415-4737 or 1-(800)397-4209; fax (301)415-3548; e-mail <PDR@NRC.GOV> . The Draft Impact Statement is also available through the NRCs Electronic Reading Room under accession number ML012690636.
64}}

Revision as of 04:38, 24 November 2019

Draft Regulatory Guide DG-1090 (Proposed Revision 32 of Regulatory Guides 1.84 and 1.85 Combined), Design, Fabrication, and Materials Code Case Acceptability, ASME Section III
ML013120011
Person / Time
Issue date: 12/31/2001
From:
Office of Nuclear Regulatory Research
To:
Norris W
References
-nr, DG-1090 RG-1.084, Rev 32, RG-1.085, Rev 32
Download: ML013120011 (55)
v • d • e


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U.S. NUCLEAR REGULATORY COMMISSION December 2001 OFFICE OF NUCLEAR REGULATORY RESEARCH Division 1 DRAFT REGULATORY GUIDE Contact: W.E. Norris (301)415-6796 DRAFT REGULATORY GUIDE DG-1090 (Proposed Revision 32 of Regulatory Guides 1.84 and 1.85 Combined)

DESIGN, FABRICATION, AND MATERIALS CODE CASE ACCEPTABILITY, ASME SECTION III A. INTRODUCTION General Design Criterion (GDC) 1, Quality Standards and Records, of Appendix A, General Design Criteria for Nuclear Power Plants, to 10 CFR Part 50, Domestic Licensing of Production and Utilization Facilities, 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 requires, in part, that components that are part of the reactor coolant pressure boundary be designed, fabricated, erected, and tested to the highest quality standards practical.

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.

Provisions of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel (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. ASME standards committees This regulatory guide is being issued in draft form to involve the public in the early stages of the development of a regulatory position in this area. It has not received complete staff review or approval and does not represent an official NRC staff position.

Public comments are being solicited on this draft guide (including any implementation schedule) and its associated regulatory analysis or value/impact statement. Comments should be accompanied by appropriate supporting data. Written comments may be submitted to the Rules and Directives Branch, Office of Administration, U.S. Nuclear Regulatory Commission, Washington, DC 20555-0001. Comments may be submitted electronically or downloaded through the NRCs interactive web site at <WWW.NRC.GOV> through Rulemaking. Copies of comments received may be examined at the NRC Public Document Room, 11555 Rockville Pike, Rockville, MD. Comments will be most helpful if received by March 25, 2002.

Requests for single copies of draft or active regulatory guides (which may be reproduced) or for placement on an automatic distribution list for single copies of future draft guides in specific divisions should be made to the U.S. Nuclear Regulatory Commission, Washington, DC 20555, Attention: Distribution Services Section, or by fax to (301)415-2289; or by email to DISTRIBUTION@NRC.GOV. Electronic copies of this draft guide are available through NRCs interactive web site (see above), on the NRCs web site <WWW.NRC.GOV> in the Reference Library under Regulatory Guides, and in NRCs Electronic Reading Room at the same web site, under Accession Number ML013120011.

develop, among other things, 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 participate in the ASME process, which helps to ensure that the various interests are considered.

In 10 CFR 50.55a, Codes and Standards, paragraph (c), Reactor Coolant Pressure Boundary, requires, in part, that components of the reactor coolant pressure boundary 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,1 of the ASME BPV Code or equivalent quality standards.

The ASME publishes a new edition of the BPV Code, which includesSection III, every three years, and new addenda every year. The latest editions and addenda of Section III that have been approved for use by the NRC are referenced in paragraph 50.55a(b).

The ASME also publishes Code Cases quarterly. Code Cases provide alternatives developed and approved by ASME or explain the intent of existing Code requirements.

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 implemented through 10 CFR 50.55a(a)(3), which 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.

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

Thus, generic approval of a Code Case through this guide of an alternative to compliance with these provisions must be accomplished through an amendment to 10 CFR 50.55a. The NRC plans to publish for public comment an amendment to 10 CFR 50.55a that would incorporate this guide by reference. The proposed amendment will state the requirements governing the use of Code Cases. Because of the continuing change in the status of Code Cases, periodic updates to 10 CFR 50.55a and this guide are planned to accommodate new Code Cases and any revisions of existing Code Cases.

The information collections contained in this draft regulatory guide are covered by the requirements of 10 CFR Part 50, which were approved by the Office of Management and Budget, approval number 3150-0011. If a means used to impose an information collection does not display a currently valid OMB control number, the NRC may not conduct or sponsor, and a person is not required to respond to, the information collection.

B. DISCUSSION Previously, Regulatory Guide 1.84 was titled Design and Fabrication Code Case Acceptability, ASME Section III, Division 1, and it listed only the Section III Code Cases 1

Copies may be obtained 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.

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oriented to design and fabrication. Companion Regulatory Guide 1.85, Materials Code Case Acceptability, ASME Section III, Division 1, listed the Section III Code Cases oriented to materials and testing. Beginning with this revision, all Section III Code Cases that have been approved for use by the NRC will be listed in one guide. Hence, the title of Regulatory Guide 1.84 has been changed to Design, Fabrication, and Materials Code Case Acceptability, ASME Section III. It should be noted that with this Revision 32, Division 1 has been deleted from the title. Previous versions of the guide contained some Division 2 Code Cases, and this guide contains some Division 3 Code Cases.

Hence, the title change reflects the revised scope of Regulatory Guide 1.84. Regulatory Guide 1.85 will no longer be updated, but it will not be withdrawn at this time, as some Code Cases contained in Regulatory Guide 1.85 continue to be used.

For this Revision 32 of Regulatory Guide 1.84, the NRC staff reviewed the Section III Code Cases listed in Supplement 4 to the 1992 Edition through Supplement 11 to the 1998 Edition.2 Appendix A to the guide lists the supplements reviewed, the edition, and the Board on Nuclear Codes and Standards approval date. Appendix B is a numerical listing of the Code Cases addressed in these supplements. The Code Cases are listed in five tables: 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; Table 2, Conditionally Acceptable Section III Code Cases, contains those Code Cases that are acceptable provided that they are used with the identified limitations or modifications, i.e., the Code Case is generally acceptable but the NRC has determined that the alternative requirements must be supplemented in order to provide an acceptable level of quality and safety; Table 3, Annulled Unconditionally Approved Section III Code Cases, contains the Code Cases that have been annulled by the ASME; Table 4, Annulled Conditionally Acceptable Section III Code Cases, contains the Code Cases that the NRC determined to be acceptable provided that they are used with the identified limitations or modifications, but were subsequently annulled by the ASME; 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. Code Cases that the NRC determined to be unacceptable will be listed in a new regulatory guide, which is being developed as DG-1112, ASME Code Cases Not Approved for Use. It should be noted that Tables 1-5 provide comprehensive lists of Section III Code Cases since many older Code Cases are still in use; i.e.,Section III, Division 1, applies only to new construction (the edition and addenda used in the construction of a plant were selected based upon the date of the construction permit and are not changed thereafter, except voluntarily by the licensee).

Code Cases provide alternatives to existing Code requirements that were developed and approved by the ASME. The NRC plans to incorporate by reference into 10 CFR 50.55a the Code Cases listed as approved in Tables 1 and 2 of this guide.

These Code Cases may be used voluntarily by licensees as an alternative to compliance with ASME Code provisions incorporated by reference into 10 CFR 50.55a.

The proposed amendment to 10 CFR 50.55a being developed would require that when a licensee initially implements a Code Case, the most recent version of that Code 2

Except for Code Cases pertaining to high temperature gas-cooled reactors;Section III, Division 2, requirements not endorsed by the NRC; liquid metal; and submerged spent fuel waste casks 3

Case as listed in Tables 1 and 2 be implemented. If a Code Case is implemented by a licensee and a later version of the Code Case is incorporated by reference into 10 CFR 50.55a and listed in Tables 1 and 2 during the licensees present ISI interval, that licensee will be able to use either the later version or the previous version (unless a specific limitation or condition is placed on the use of that Code Case, in which case the modification or limitation applies). Licensees who choose to continue use of the Code Case during the subsequent ISI interval will be required to implement the latest version incorporated by reference into 10 CFR 50.55a and listed in Tables 1 and 2.

Code Cases may be annulled because experience has shown that an examination or testing method is inadequate or the application for which it was specifically developed no longer exists. If a Code Case is incorporated by reference into Section 50.55a and later annulled by the ASME, the NRC will amend 10 CFR 50.55a and this guide to remove the approval of the annulled Code Case. Licensees should not begin to implement annulled Code Cases in advance of such rulemaking. After a Code Case is annulled and 10 CFR 50.55a and this guide are amended, licensees may not implement that Code Case for the first time. However, a licensee who implemented the Code Case prior to annulment may continue to use that Code Case (i) unless 10 CFR 50.55a specifically prohibits further use of the annulled Code Case or (ii) until the licensee voluntarily updates itsSection III Code of record.

With regard to the use of any Code Case, it is the responsibility of the user to make certain that no regulatory requirements are violated and that there are no conflicts with other limitations resulting from Code Case usage.

C. REGULATORY POSITION

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. The ASME issuesSection III Code Cases quarterly in supplements to a specific edition, i.e., a new edition of Section III is published every three years, and supplements are published quarterly. Hence, there are 12 supplements to each edition. To distinguish new and revised Code Cases from those approved in previous versions of the guide, new and revised Code Cases are shaded. The shading will assist in focusing attention during the public comment period on the changes to the guide. Column 3 of Table 1 lists the supplement and edition in which each Code Case was published (e.g., 7/95E means Code Case Supplement 7 to the 1995 Edition).

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TABLE 1 - ACCEPTABLE SECTION III CODE CASES CODE TABLE 1 SUPPLEMEN CASE ACCEPTABLE SECTION III CODE CASES T/EDITION NUMBER N-4-11 Special Type 403 Modified Forgings or Bars,Section III, 5/98E Division 1, Class 1 and CS, N-7-1 High Yield Strength Steel,Section III, Division 1, Class 1 9/98E N-20-4 SB-163, Cold Worked UNS N08800; and SB-163 UNS 4/98E N06600, UNS N06690, and UNS N08800 to Supplementary Requirements S2 of SB-163,Section III, Division 1, Class 1 N-60-5 Material for Core Support Structures,Section III, Division 1 9/95E N-122-2 Procedure for Evaluation of the Design of Rectangular Cross 8/98E Section Attachments on Class 1 Piping,Section III, Division 1 N-131-1 Material for Internal Pressure Retaining Items for Pressure 9/98E (1759-1) Relief Valves,Section III, Division 1, Class 1, 2, and 3 N-133-3 Use of SB-148 Alloys 952 and 954,Section III, Division 1, 8/98E Class 3 N-154-1 Projection Resistance Welding of Valve Seats,Section III, 9/98E Division 1, Classes 1, 2, and 3 N-160-1 Finned Tubing for Construction,Section III, Division 1 8/98E N-171 Postweld Heat Treatment of P-No. 1 Material,Section III, 5/92E Division 2 N-192-2 Use of Braided Flexible Connectors,Section III, Division 1, 5/98E Class 2 and 3 N-205 Use of Ductile Iron SA-395,Section III, Division 1, Class 3 5/98E N-208-2 Fatigue Analysis for Precipitation Hardening Nickel Alloy 5/98E Bolting Material to Specification SA-637 N07718 for Class 1 Construction,Section III, Division 1 N-213 Welded Radial Shear Bar Assemblies,Section III, Division 2 5/98E N-243 Boundaries Within Castings Used for Core Support Structures, 9/95E Section III, Division 1, Class CS N-304-4 Use of 20Cr-25Ni-6Mo (Alloy UNS N08366) Plate, Sheet, 4/98E Strip, and Welded Pipe, Class 2 and 3,Section III, Division 1 N-315 Repair of Bellows,Section III, Division 1 9/98E N-318-5 Procedure for Evaluation of the Design of Rectangular Cross 9/95E Section Attachments on Class 2 or 3 Piping,Section III, Division 1 5

CODE TABLE 1 SUPPLEMEN CASE ACCEPTABLE SECTION III CODE CASES T/EDITION NUMBER N-319-3 Alternate Procedure for Evaluation of Stresses in Butt Welding 8/98E Elbows in Class 1 Piping,Section III, Division 1 N-329 Examination of Bar Material,Section III, Division 1, Class 1 6/98E N-345-1 Attachment of AMS 5382 Alloy 31 Seat Rings by Friction 10/98E Welding,Section III, Division 1, Classes 1, 2, and 3 N-351 Use of Subsize Charpy V-Notch Specimens,Section III, 8/98E Division 1 N-369 Resistance Welding of Bellows,Section III, Division 1 10/98E N-373-1 Alternative PWHT Time at Temperature for P-No. 5 Material, 1/98E Section III, Division 1, Classes 1, 2, and 3 N-387 Certification of Level III NDE Examiner,Section III, Division 2 1/98E N-391-2 Procedure for Evaluation of the Design of Hollow Circular 1/98E Cross Section Welded Attachments on Class 1 Piping,Section III, Division 1 N-392-3 Procedure for Evaluation of the Design of Hollow Circular 12/95E Cross Section Welded Attachments on Classes 2 and 3 Piping,Section III, Division 1 N-394 Restricting Lift to Achieve Reduced Relieving Capacities of 12/95E Full Lift, Nozzle Type, and Flat Seated Safety and Safety Relief Valves for Compressible Fluid Applications,Section III, Division 1, Classes 2 and 3 N-395 Laser Welding,Section III, Division 1 1/98E N-405-1 Socket Welds,Section III, Division 1 12/95E N-438-1 UNS N08367,Section III, Division 1, Class 2 and 3 Reinstated Construction 5/95E N-439-1 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Forgings, Plate, 10/98E Seamless and Welded Pipe, and Welded Tube, Class 2 and 3 Construction,Section III, Division 1 N-440-1 Use of 20Cr-18Ni-6Mo (Alloy UNS J93254) Castings, Class 2 10/98E and 3 Construction,Section III, Division 1 N-441-2 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Fittings, Class 2 10/98E and 3 Construction,Section III, Division 1 N-452 Specialized Subcontracted Welding Process (Electron Beam 10/98E Welding),Section III, Division 1 6

CODE TABLE 1 SUPPLEMEN CASE ACCEPTABLE SECTION III CODE CASES T/EDITION NUMBER N-453-3 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS 1/98E N08925) for Class 2 and 3 Construction,Section III, Division 1 N-454-1 Nickel-Chromium-Molybdenum-Copper Stainless Steels (UNS 10/98E N08925 and N08926) Wrought Fittings for Class 2 and 3 Construction,Section III, Division 1 N-455-1 Nickel-Chromium-Molybdenum-Copper Stainless Steels (UNS 10/98E N08925 and N08926) Forged Flanges and Fittings for Class 2 and 3,Section III, Division 1 N-464 Laser Welding of Lap Joints,Section III, Division 1, Classes 2 10/98E and 3 Construction N-469-1 Martensitic Stainless Steel for Class 1, 2, and 3 Components, 10/98E Section III, Division 1 N-493 Alternative Radiographic Acceptance Criteria for Vessels Used 6/98E as Shipping Casks,Section III, Division 1, Class 1 N-505 Alternative Rules for the Examination of Butt Welds Used as 12/95E Closure Welds for Electrical Penetration Assemblies in Containment Structures,Section III, Division 1 N-511 Design Temperature for Atmospheric and 0-15 psi Storage 4/92E Tanks,Section III, Division 1 N-520-1 Alternative Rules for Renewal of N-type Certificates for Plants 10/95E Not in Active Construction,Section III, Division 1 N-525 Design Stress Intensities and Yield Strength Values for UNS 6/98E N06690 With a Minimum Specified Yield Strength of 30 ksi, Class 1 Components,Section III, Division 1 N-539 UNS N08367 in Class 2 and 3 Valves,Section III, Division 1 12/95E N-548 Air Cooling of SA-182 Grades F304, F304L, F316, F316L 4/95E Forgings Instead of Liquid Quenching After Solution Heat Treatment, Class 1, 2, and 3,Section III, Division 1 N-550 Alternative Rules for Examination of Welds in Instrument 1/98E Tubing, Class 1 and 2,Section III, Division 1 N-558 Stamping of Class 2 Vessels Fabricated to Subsection NB, 6/95E Section III, Division 1 N-564-2 UNS J93380, Alloy CD3MWCuN, Class 2 and 3 Construction, 8/98E Section III, Division 1 N-570 Alternative Rules for Linear Piping and Linear Standard 6/95E Supports for Class 1, 2, 3, and MC 7

CODE TABLE 1 SUPPLEMEN CASE ACCEPTABLE SECTION III CODE CASES T/EDITION NUMBER N-572 Use of SB-425 (UNS N08825) Bar and Rod for Class 1 7/95E Construction,Section III, Division 1 N-579 Use of Nonstandard Nuts, Class 1, 2, and 3, MC, CS 10/95E Components and Supports Construction,Section III, Division 1 N-580-1 Use of Alloy 600 With Columbium Added,Section III, Division 1/98E 1

N-594 Repairs to P-4 and P-5A Materials for Pumps and Valves 12/95E Without Postweld Heat Treatment,Section III, Division 1 N-596 Use of Alternative Reference Specimens,Section III, 12/95E Division 1 N-607 Guidance on Implementation of NS Certificate of Accreditation, 5/98E Section III, Division 1 N-608 Applicable Code Edition and Addenda, NCA-1140(a)(2), 1/98E Section III, Division 1 N-610 Alternative Reference Stress Intensity Factor (K1R) Curve for 2/98E Class Components,Section III, Division 1 N-611 Use of Stress Limits as an Alternate to Pressure Limits 2/98E Subsection NC/ND-3500,Section III, Division 1 N-620 Rules for Class 1 Type M Pumps,Section III, Division 1 4/98E N-621 Ni-Cr-Mo Alloy (UNS N06022) Welded Construction to 800-F, 4/98E Section III, Division 1 N-625 Ni-Cr-Mo Alloy (UNS N06059) Welded Construction to 800-F, 5/98E Section III, Division 1 N-631 Use of Fracture Toughness Test Data to Establish Reference 6/98E Temperature for Pressure Retaining Materials Other Than Bolting for Class 1 Vessels,Section III, Division 1 N-632 Use of ASTM A 572, Grades 50 and 65 for Structural 7/98E Attachments to Class CC Containment Liners,Section III, Division 2 N-635 Use of 22Cr-5Ni-3Mo-N (Alloy UNS S31803) Forgings, Plate, 6/98E 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 8

CODE TABLE 1 SUPPLEMEN CASE ACCEPTABLE SECTION III CODE CASES T/EDITION NUMBER N-636 Use of 18Cr-13Ni-3Mo (Alloy UNS S31703), 19Cr-15Ni-4Mo 6/98E (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

N-637 Use of 44Fe-25Ni-21Cr-Mo (Alloy UNS N08904) Plate, Bar, 6/98E Fittings, Welded Pipe, and Welded Tube, Classes 2 and 3,Section III, Division 1 N-642 Alternative Rules for Progressive Liquid Penetrant 9/98E 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-644 Weld Procedure Qualification for Procedures Exempt From 10/98E PWHT in Class 1, 2, and 3 Construction,Section III, Division 1 N-646 Alternative Stress Intensification Factors for Circumferential 11/98E Fillet Welded or Socket Welded Joints for Class 2 or 3 Piping,Section III, Division 1

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 imposed by the NRC. Unless otherwise stated, limitations imposed by the NRC are in addition to the conditions specified in the Code Case. The ASME issuesSection III Code Cases quarterly in supplements to a specific edition; i.e., a new edition of Section III is published every three years, and supplements are published quarterly. Hence, there are 12 supplements to each edition. To distinguish new and revised Code Cases from those approved in previous versions of the guide, the new and revised Code Cases are shaded. The shading will assist in focusing attention during the public comment period on the changes to the guide. Column 3 of the table lists the supplement and edition in which each Code Case was published (e.g., 7/95E means Code Case Supplement 7 to the 1995 Edition).

TABLE 2 - CONDITIONALLY ACCEPTABLE SECTION III CODE CASES CODE TABLE 2, CONDITIONALLY ACCEPTABLE CODE CASES SUPPLEMEN CASE T/EDITION NUMBER TITLE / CONDITION N-62-7 Internal and External Valve Items,Section III, Division 1, 8/98E Classes 1, 2, and 3 9

CODE TABLE 2, CONDITIONALLY ACCEPTABLE CODE CASES SUPPLEMEN CASE T/EDITION NUMBER TITLE / CONDITION 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 50, Appendix B approved QA program. [Note: condition contained in Revision 31 of this guide].

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CODE TABLE 2, CONDITIONALLY ACCEPTABLE CODE CASES SUPPLEMEN CASE T/EDITION NUMBER TITLE / CONDITION N-71-17 Additional Materials for Subsection NF, Class 1, 2, 3, and MC 6/98E Component Supports Fabricated by Welding,Section III, Division 1 (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: (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 it does not experience frequent sustained loads in service.

(3) In the last sentence of paragraph 5.3, reference must 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. (4) Paragraph 16.2.2 is not acceptable as written and must be replaced with the following: When not exempted by 16.2.1 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 1/2 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 1/2 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. (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. [Note: Conditions contained in Revision 31 of this guide.]

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CODE TABLE 2, CONDITIONALLY ACCEPTABLE CODE CASES SUPPLEMEN CASE T/EDITION NUMBER TITLE / CONDITION N-155-2 Fiberglass Reinforced Thermosetting Resin Pipe,Section III, 8/98E Division 1 (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. [NOTE: The above conditions were contained in Revision 31 but were not specifically listed; i.e., the condition stated that the applicant must satisfy the additional limitations specified in Regulatory Guide 1.72, Spray Pond Piping Made from Fiberglass-Reinforced Thermosetting Resin.

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CODE TABLE 2, CONDITIONALLY ACCEPTABLE CODE CASES SUPPLEMEN CASE T/EDITION NUMBER TITLE / CONDITION N-249-13 Additional Materials for Subsection NF, Class 1, 2, 3, and MC 9/95E Component Supports Fabricated Without Welding,Section III, Division 1 (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. [Note: conditions contained in Revision 31 of this guide].

N-292 Depositing Weld Metal Prior to Preparing Ends for Welding, 12/95E 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 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. [Note: condition contained in Revision 31 of this guide].

N-500-1 Alternative Rules for Standard Supports for Class 1, 2, 3, and 1/98E MC,Section III, Division 1 (1) The requirements of NF-3330, High Cycle Fatigue Design for Class 1, must be met for Class 1 Standard Supports for fatigue consideration.

(2) The requirements of NF-3225, Design of Bolting, and NF-3324.6, Webs, Flanges, and Stiffeners, must be met for bolted joints.

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CODE TABLE 2, CONDITIONALLY ACCEPTABLE CODE CASES SUPPLEMEN CASE T/EDITION NUMBER TITLE / CONDITION N-626 Use of Plastic Analysis for the Design of Type B Containment 5/98E Components for Nuclear Material Transportation Casks,Section III, Division 3

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.
3. ANNULLED UNCONDITIONALLY APPROVED SECTION III CODE CASES The Code Cases listed in the table below were previously unconditionally approved by the NRC and have been annulled by the ASME. The ASME issuesSection III Code Cases quarterly in supplements to a specific edition; i.e., a new edition of Section III is published every three years, and supplements are published quarterly.

Hence, there are 12 supplements to each edition. Column 3 of the table lists the ASME annulment date.

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TABLE 3 - ANNULLED UNCONDITIONALLY APPROVED SECTION III CODE CASES CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE N-1-7 Requirements for Steel Forgings,Section III, Division 1 7/1/82 (1332-7)

N-2 Requirements for Corrosion-Resisting Steel Bars and Shapes, 1/1/81 (1334-3) Section III N-3-10 Requirements for Bolting Materials,Section III 9/16/84 (1335-10)

N-5-1 Nickel Chromium Age Hardenable Alloys (Alloy X750), Section 12/13/85 III, Division 1, Classes 1, 2, 3, MC, and CS N-6 Requirements for Nickel-Molybdenum-Chromium-Iron Alloys, 3/1/79 (1345-2) Section III N-9-4 SA-508, Class 2 Forgings with Modified Manganese Content, 7/1/82 (1395-4) Section III N-10 Time of Examination for Classes, 1, 2, and 3,Section III 9/17/87 (1407-3) Vessels N-15 Substitution of Ultrasonic Examination for Progressive 3/1/79 (1456-2) Penetrant or Magnetic Particle Examination of Partial Penetration and Oblique Nozzle Attachment Welds,Section III N-17 Integrally Finned Tubes for Section III 1/21/91 (1474-1)

N-22 SA-508-Class 2 and 3, Minimum Tempering Temperature, 7/1/82 (1498-1) Section III N-24 Welding of Seats or Minor Internal Permanent Attachments in 1/1/80 (1516-2) Valves for Section III Applications N-26 Integrally Finned Tubes,Section III 1/21/91 (1527)

N-30-1 Metal Bellows and Metal Diaphragm Stem Sealed Valves, 1/1/81 (1539-1) Section III, Division 1, Classes 1, 2, and 3 N-32-3 Hydrostatic Testing of Embedded Class 2 and Class 3 Piping 7/1/79 (1541-3) for Section III, Division 1 Construction N-33 Type 403 Forgings or Bars for Bolting Material,Section III 1/21/85 (1542-1)

N-35-1 Design by Analysis of Section III, Class 1 Valves 7/1/79 (1552-1) 15

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE N-37-3 Steel Products Refined by Secondary Remelting,Section III 7/1/82 (1557-3) and VIII, Division 1 and 2 N-41 Additional Material for SA-234 Carbon Steel Fittings,Section III 1/21/85 (1571)

N-43 SB-167 Nickel-Chromium-Iron (Alloy 600) Pipe or Tube, 7/1/82 (1578) Section III N-46 Electro-Etching of Section III Code Symbols 3/19/82 (1588)

N-47-33 Class 1 Components in Elevated Temperature Service, 7/1/96 Section III, Division 1 N-48-2 Fabrication and Installation of Elevated Temperature 7/1/96)

Components,Section III, Division 1 N-49-4 Examination of Elevated Temperature Nuclear Components, 7/1/96)

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

Division 1, Class 1 N-51-2 Protection Against Overpressure of Elevated Temperature 7/1/96)

Components,Section III, Division 1, Class 1 N-55-1 Inertia and Continuous Drive Friction Welding,Section III, 4/5/87 (1609) Division 1 N-56 Use of Type 308 Stainless Steel Rod and Bar for Section III, 7/1/78 (1612) Class 1, 2, 3, and CS Construction N-61 Stress Category for Partial Penetration Welded Penetrations, 1/8/82 (1620) Section III, Class Construction N-65-1 Normalized and Tempered 1-1/4 Cr Low Alloy Steel Forgings, 1/21/85 (1626-1)Section I and III N-66-1 External Pressure Charts for High Yield Strength Carbon 12/5/87 (1630-1) Steels and Low alloy Steels, (Yield Strength above 38 Ksi to 60 Ksi Inclusive) For Section III, Class 1, 2, 3, and MC N-68 Use of SB-359 for Section III, Division, 1, Class 3 Construction 7/1/78 (1634-2)

N-77 Overpressure Protection Under Emergency Operating 7/1/77 (1660) Conditions for Section III, Class 1 N-81 Pressure-Temperature Ratings for Class 1 Valves Made from 5 7/1/78 (1665) Cr-1/2 Mo,Section III 16

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE N-82 Clarification of Flange Design Loads,Section III, Class 1, 2, 3/1/79 (1677) and 3 N-84 Organizations Accepting Overall Responsibility for Section III 3/1/79 (1681-1) Construction N-90 Rules for Design of Welded Class 1 Pumps 7/1/78 (1692)

N-94 Determination of Capacities of Liquid Relief Valves,Section III, 3/19/82 (1700) Division 1, Class 1, 2, and 3 N-95-2 Determination of Capacities of Vacuum Relief Valves, Section 7/9/82 (1701-2) III, Division 1, Classes 2, 3, and MC and Division 2 Concrete Containments N-96-1 Flanged Valves Larger than 24 inches for Section III, Division 1/1/80 (1702-1) 1, Class 1, 2, and 3 Construction N-101 Nameplates and Stamping for Section III, Division 1, Class 1, 3/1/79 (1712) 2, 3 and MC Construction as Referenced in NA-8300 N-102-2 Postweld Heat Treatment of P-1 Material,Section III, Class MC 6/30/84 N-107-1 Vacuum, Carbon Deoxidized SA-508 Forgings,Section III, 1/8/82 (1722-1) Division 1 N-108 Deviation from the Specified Silicon Ranges in ASME Material 7/1/78 (1724) Specifications,Section III, Division 1, and VIII, Division 1 and 2 N-109 Refinement of Low Alloy Steel Heat Affected Zone Under 3/1/79 (1726) Overlay Cladding,Section III, Division 1, Class 1 Components N-111 Minimum Edge Distance-Bolting for Section III, Division 1, 3/1/79 (1729) Class 1, 2, and 3 and MC Construction of Component Supports N-114 Hardsurfaced Valves with Inlet Connections less than 2-in. 1/1/79 (1732) Nominal Pipe Size for Section III, Division 1, Class 1 and 2 Construction N-115 Evaluation of Safe Shut Down Earthquake Loadings for 1/1/78 (1733) Section III, Division 1, Class MC Containment Vessels N-119-4 Pump Internal Items,Section III, Division 1, Class 1, 2, and 3 12/1/83 (1739-4)

N-119-6 3/14/94 N-121 Carbon Steel Pipe Flanges Larger than 24 in., 3/1/79 (1744) Section III, Division 1, Class 2 and 3 Construction 17

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE N-123 Leak Testing of Seal Welds,Section III, Division 1, Class 1, 2, 3/1/79 (1746) and 3 Construction N-124 Requirements for Martensitic Stainless Forgings with 13% 7/13/87 (1747) Chromium and 4% Nickel,Section III, Division 1 N-125 Low Carbon Austenitic Stainless Steel Pipe Welded With Filler 7/1/78 (1748) Metal,Section III, Division 1, Construction N-126 Hard Surfacing by the Spray-Fuse Method,Section III, Class 1, 7/1/88 (1754) 2, and 3 Construction N-127 Alternative Rules for Examination of Welds in Piping, Section 2/20/92 (1755-1) III, Class 1 and 2 Construction N-139 Testing of Electroslag Wire and Flux for Class 1, 2, 3, MC, and 1/1/79 CS Construction,Section III, Division 1 N-140 Use of SA-453 Bolts in Service Below 800-F Without Stress 12/31/85 (1772) Rupture Tests,Section III, Division 1 N-142-1 Minimum Wall Thickness for Class 2 and 3 Valves,Section III, 1/1/80 (1774-1) Division 1 N-147 Use of Modified SA-487 Grade CA6NM,Section III, Division 1, 7/1/78 (1781) Class 1, 2, 3, MC or CS N-148 Use of Copper-Nickel Alloy 962 for Castings,Section III, 6/30/83 (1782) Division 1, Class 3 Construction N-154 Projection Resistance Welding of Valve Seats,Section III, 1/14/80 (1791) Division 1, Class 1, 2and 3 Valves N-156 Structural Steel Rolled Shapes,Section III, Division I, Class 2, 2/14/86 (1793) 3, and MC N-157 Use of Seamless Al-Br, Alloy CDA 614 Pipe,Section III, 1/7/83 (1794) Division 1, Class 3 N-158 Examination of Weld Repairs in Forgings,Section III, Division 7/1/78 (1795) 1, Class 1, 2, 3, MC and CS N-159 Body Neck Thickness Determination for Valves with Inlet 7/1/78 (1796) Connections 4-Inch Nominal Pipe Size and Smaller,Section III, Division 1, Class 1, 2, and 3 N-174 Size of Fillet Welds for Socket Welding of Piping,Section III, 1/1/81 (1812) Division 1 N-176-1 Use of Type XM-19 for Construction,Section III, Division 1, 8/25/83 (1819-1) Class 1, 2, and 3 18

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE N-177 Alternative Ultrasonic Examination Technique,Section III, 1/1/84 (1820) Division 1 N-178 Use of ASTM B271, CDA 954, Alloy 9C for Class 3 1/1/80 Construction,Section III, Division 1 N-179 Openings in Valves for Section III, Division 1, Class 1, 2 and 3 7/11/80 Construction N-180 Examination of Springs for Class 1 Component Standards 7/1/78 Supports,Section III, Division 1 N-181 Steel Castings Refined by the Argon Decarburization Process, 7/11/80 Section III, Division 1, Construction N-182 Alternate Rules for Procedure Qualification Base Material 7/1/81 Orientation,Section III, Division 1, Class 2 and 3 Construction N-183 Use of Modified SA-182 Grade F22 for Section III, Division 1, 1/1/80 Class 1, 2 and 3 Construction N-184 Roll Threading of SA-453 Bolting for Section III, 7/1/79 Division 1, Class 1, 2, 3 or CS Construction N-188-1 Use of Welded Ni-Fe-Cr-Mo-Cu (Alloy 825) and Ni-Cr-Mo-Cb 8/14/96 (Alloy 625) Tubing,Section III, Division 1, Class 2 and 3 N-189 Primary Membrane Plus Primary Bending Stress Intensity 7/1/79 Limits for Other Than Solid Rectangular Sections for Section III, Division 1, Class MC Construction N-190 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, 11/21/80 Division 1, Class 3 Flange and Socket Weld End Valves N-196-1 Exemption from the Shakedown Requirements When Plastic 7/1/92 Analysis Is Performed for Section III, Division 1, Class 1 and CS Construction N-204 Use of Modified SA-508, Class 3, and SA-541, Class 3 for 1/1/81 Section III, Division 1, Class 1, 2, and 3 Components N-206 Use of ASTM B151-75 Copper-Nickel Alloy 706 Rod and Bar 6/30/83 for Section III, Division 1, Class 3 Construction N-207-1 Use of Modified SA-479 Type XM-19 for Section III, Division 1, 1/21/85 Class 1, 2, 3, or CS Construction N-212 Welding Procedure Qualification of Dissimilar Metal Welds 1/1/81 (1693) When Buttering with Alloy Weld Metal and Heat Treatment May Be Involved,Section III, Division 1, and Section IX.

19

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE 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 5/15/81 3 Construction N-217-1 Postweld Heat Treatment of Weld Deposit Cladding on 2/23/87 Classes 1, 2, 3, MC, and CS Items,Section III, Division 1 N-220 Code Effective Date for Component Supports, 7/13/81 Section III, Division 1 N-223 Requirements for Stainless Steel Precipitation Hardening, 11/20/81 Section III, Division 1, Class MC N-224-1 Use of ASTM A500 Grade B and ASTM A501 Structural 4/5/90 Tubing for Welded Attachments for Section III, Class 2, 3, and MC N-225 Certification and Identification of Material for Component 1/1/81 Supports,Section III, Division 1 N-226 Temporary Attachment of Thermocouples,Section III, Division 1/1/80 1, Class 1, 2 and 3 Component Supports 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 3/19/82 Report Forms and Stamping for Section III, Class 1, 2, 3 and MC Construction N-229 Alternate Rules for Fabrication Welding SB-148 Alloy CDA 954 1/21/88 for Section III, Division 1, Class 3 Construction N-231 Alternate Methods for Leak Detection in the Attachment Welds 7/1/92 of Leak Chase Channels,Section III, Division 2, Class CC N-233 Alternate Rules for PWHT of P-No. 6, Group 4 Material for 9/17/87 Section III, Division 1, Class 3 Construction N-237-2 Hydrostatic Testing of Internal Piping,Section III, Division 1, 7/1/88 Classes 2 and 3 N-240 Hydrostatic Testing of Open Ended Piping,Section III, 7/1/97 Division 1 N-241 Hydrostatic Testing of Piping,Section III, Division 1 7/1/97 N-245 Use of ASTM B61-76 and B62-76 Copper Alloy Castings for 7/17/85 Section III, Division 1, Class 3 Construction 20

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE N-246-2 SB-169 Alloy C61400,Section III, Division 1, Class 3 7/27/95 Construction N-247 Certified Design Report Summary for Component Standard 4/30/93 Supports,Section III, Division 1, Class 1, 2, 3 and MC N-248 Alternative Reference Radiographs,Section III, Division 1, 7/1/80 Classes 1, 2, 3, MC, and CS Construction N-259 Ni-Cu-Al Bolting Material SB 164 Modified,Section III, Division 1/1/84 1, Class 3 N-261 Weld Procedure Qualification for Materials with Impact 12/13/82 Requirements for Section III, Division 1, Class 3 Construction N-262 Electric Resistance Spot Welding for Structural Use in 7/27/91 Component Supports,Section III, Division 1 N-265-1 Modified SA-487 Castings,Section III, Division 1, 8/14/97 Class 1 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 2/14/86 to Metal Contact Outside the Bolt Circle for Section III, Class 2, 3, and MC Construction N-272 Compiling Data Report Forms,Section III, Division 1 1/1/82 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, 9/17/80 Division 1, Class MC Construction N-280 Alternate Rules for Examination of Welds in Section III, Class 3 7/1/81 Storage Tanks N-281 Welding Operator Performance Qualification,Section III, 7/1/81 Division 1 N-282 Nameplates for Valves,Section III, Division 1, Class 1, 2, and 7/30/89 3 Construction N-294 SB-148 Alloys 952 and 954, and SB-62 Alloy 836 Fittings, 7/27/95 Section III, Division 1, Class 2 N-295 NCA-1140, Materials,Section III, Division 1 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, 12/1/83 Class 1, 2, 3, and MC 21

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE N-299-1 Use of Nickel-Chromium-Molybdenum-Columbium Alloy 625 2/23/87 Forgings,Section III, Division 1, Class 2 and Class 3 Components N-300 Pressure-Temperature Ratings, Hydrostatic Tests, and 12/1/83 Minimum Wall Thickness of Valves,Section III, Division 1, Class 1 N-302 Tack Welding,Section III, Division 1, Construction 11/28/83 N-309-1 Identification of Materials for Component Supports,Section III, 7/1/95 Division 1 N-313 Alternative Rules for Half-Coupling Branch Connections, 7/1/96 Section III, Division 1, Class 2 N-316 Alternative Rules for Fillet Weld Dimensions for Socket 8/14/93 Welding Fittings,Section III, Division 1, Class 1, 2, and 3 N-317 ASTM A276 Bar,Section III, Division 7/1/82 N-320 Alternate PWHT for SA-487, Grade CA6NM,Section III, 12/31/83 Division 1 N-321-1 Use of Modified SA-249, Grade TP 304,Section III, Division 1, 12/5/88 Class 1 N-324 Qualification of Authorized Nuclear Inspector Supervisor 7/27/95 (Concrete) and Authorized Nuclear Inspector (Concrete),

Section III, Division 2, Classes CB and CC N-328 Thermit Brazing or Welding of Nonstructural Attachments, 9/17/87 Section III, Division 1 N-336 Examination of Welds Inaccessible During Pressure Test, 6/30/83 Section III, Division 1, Class MC N-337-1 Use of ASTM B 525-70 Grade II, Type II, Sintered Austenitic 3/14/94 Stainless Steel for Classes 2, 3, and MC Component Standard Supports,Section III, Division 1 N-339 Examination of Ends of Fillet Welds,Section III, 9/17/84 Division 1, Classes 1, 2, and MC N-341 Certification of Level III NDE Examiner,Section III, Division 1 7/1/88 and 2 N-342 Use of SA-249 and SA-312 Type 317 Stainless Steel, Section 4/2/85 III, Division 1, Classes 1, 2, and 3 N-346 Explosive Welding,Section III, Division 1 6/30/86 22

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE N-347 Continuous Electric Resistance Seam Welding of 12/13/85 P-No. 8 Materials for Component Supports,Section III, Division 1

N-349 Pressure Testing Piping Systems,Section III, Division 1, 12/31/85 Classes 2 and 3 N-352-1 Use of SA-638 Grade 660 Forgings and Bars Below 700-F 6/30/86 Without Stress Rupture Tests,Section III, Division 1 N-353 Marking of SA-354 Grade BD Bolting,Section III, 9/5/88 Division 1 N-354-1 Subcontracted Service,Section III, Division 2 8/14/94 N-355 Calibration Block for Angle Beam Ultrasonic Examination of 8/9/96 Large Fittings in Accordance with Appendix III-3410 N-357 Certification of Material for Component Supports,Section III, 7/1/88 Division 1, Subsection NF N-359 Weld Connection for Coaxial Cylinders,Section III, Division 1, 12/31/84 Class 1 N-362-2 Pressure Testing of Containment Items,Section III, Division 1, 7/1/88 Classes 1, 2, and MC 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, 7/1/95 Division 1, Classes 2 and 3 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, 7/18/88 Section III, Division 1 N-372 SB-163 Ni-Fe-Cr-Mo-Cu Alloy 825 (UNS N08825) Tubing, 12/31/83 Section III, Division 1 N-376 Pressure Testing of Embedded Class 2 and 3 Piping, Section 7/30/86 III, Division 1 N-377 Effective Throat Thickness of Partial Penetration Groove 12/31/83 Welds,Section III, Division 1, Classes 1, 2, and 3 N-378 Examination of Piping Support Material,Section III, Division 1, 10/28/86 Class 1 N-379-1 Bimetallic Tubing,Section III, Division 1, Class 1 7/18/91 23

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE N-384-1 Use of Prepackaged General Purpose Cement Grouts, Epoxy 7/27/91 Grouts, and Epoxy Bonding,Section III, Division 2, Class CC N-388 Component Support Bolting,Section III, Division 1, Classes 2, 2/23/87 3, and MC N-393 Repair Welding Structural Steel Bolted Shapes and Plates for 7/27/95 Component Supports,Section III, Division 1 N-403 Reassembly of Subsection NF Component and Piping 7/1/95 Supports,Section III, Division 1 N-410 Certified Relieving Capacities of Pressure Relief Valves Having 3/14/00 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 N-412 Alternative Rules for Witnessing the Piping System Pressure 4/15/91 Tests of Classes 1, 2, and 3 Piping Systems,Section III, Division 1 N-413 Minimum Size of Fillet Welds for Subsection NF Linear Type 2/14/88 Supports,Section III, Division 1 N-414 Tack Welds for Class 1, 2, 3 and MC Components and Piping 2/20/92 Supports,Section III, Division 1 N-418-1 Use of Seamless Ni-Fe-Cr-Mo-Cu Low Carbon (UNS N08028 7/27/95 and UNS N08904) Tubing,Section III, Division 1, Classes 2 and 3 N-420 Linear Energy Absorbing Supports for Subsection NF, Classes 1/1/99 1, 2, and 3 Construction N-421 Brazing Using a Radiant Energy Source,Section III, Division 1 6/30/86 N-430 Alternative Requirements for Welding Workmanship and Visual 7/1/93 Acceptance Criteria for Class 1, 2, 3, and MC Linear-Type and Standard Supports N-433 Non-Threaded Fasteners for Section III, Division 1, Class 1, 2, 12/16/95 and 3 Components and Piping Supports N-438-4 UNS N08367 Material,Section III, Division 1, Class 2 and 3 7/1/98 Construction N-442 1977 Addendum to ANSI/ASME PTC 25.3-1976, Safety and 3/8/92 Safety Relief Valves, Class 1, 2, 3, and MC,Section III, Division 1 24

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE N-443-2 High Yield Strength Cr-Mo Steel, Class 1 Components, Section 1/1/01 III, Division 1 N-451 Alternative Rules for Analysis of Piping Under Seismic 8/14/96 Loading, Class 1,Section III, Division 1 N-459 SA-508 Basic Oxygen-Ladle Furnace Process for Code 3/14/94 Construction,Section III, Division 1 N-462 Alternative Rules for Analysis of Piping Products Under 5/24/96 Seismic Loading, Class 2 and 3 Piping Systems,Section III, Division 1 N-466-1 Modified 9Cr-1Mo Material,Section III, Division 1, Classes 1, 8/14/97 2, and 3 N-468 Alternative Method of Earthquake Description for Class 2 and 3 11/92 Piping of Low Seismicity Sites,Section III, Division 1 N-470 Class MC Material Requirements [NE-2121(c)],Section III, 3/8/92 Division 1 N-474-2 Design Stress Intensities and Yield Strength Values for UNS 1/1/00 N06690 With a Minimum Specified Yield Strength of 35 ksi, Class 1 Components,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 Supports - Design 7/1/96 Criteria for Single Angle Members,Section III, Division 1, Subsection NF N-482 Direct Quenched Stainless Bar, ASTM A 479-88b, 3/5/93 Section III, Division 1 N-484-1 Real Time Radioscopic Examination of Welds,Section III, 12/16/94 Division 1 N-492-1 Grade 9 Titanium Alloy Tubing,Section III, Division 1, Class 1, 1/1/00 2, and 3 N-497-1 Use of Fe-Ni-Cr-Mo-N (C-N-3MN) Cast Materials, 1/1/99 Section III, Division 1, Class 2 and 3 Construction N-501 Alternative Rules for NCA-3800, 1990 Addenda, 12/31/93 Section III, Division 1 N-502 SA-268, Grade 26-3-3 (UNS S44660),Section III, 1/1/00 Classes 2 and 3 N-507 Identification of Welders,Section III, Division 2 7/27/95 25

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE N-540 Guidance on Implementation of NCA-3800 Revisions in 1994 6/30/98 Addenda,Section III, Division 1 N-549 Stamping and Flow Certification of Rupture Disk Devices, 3/19/99 Classes 2 and 3,Section III, Division 1 N-551 Alternative Methods of Analysis, NC/ND-3673.1, Class 2 and 3 8/14/97 Applications,Section III, Division 1 N-559 SA-203, Grade E (Plate) and SA-350, Grade LF3 (Forging), 5/24/99 3.5% Ni Nominal Composition Used in Class 1 Construction,Section III, Division 1 1141-7 Foreign Produced Steel 7/23/76 1434-1 Postweld Heat Treatment of SA-487 Class 8N Steel Castings, 1/1/78 Section III 1461-1 Electron Beam Welding,Section I, III, and VIII, Division 1 and 2/16/77 2

1470-2 External Pressure Charts for High-Strength Carbon Steels and 11/4/74 for Low-Alloy Steels,Section VIII, Division 1 and 2, and Section III 1471-1 Vacuum Electron Beam Welding of Tube Sheet Joints, Section 1/1/78 III 1475-1 Ferritic-Austenitic Stainless Steel Seamless Tubes for Section 7/1/75 III, Class 2 and 3 Construction 1477-1 Use of 1970 Addenda of ANSI B31.7,Section III 1/1/78 1494-1 Weld Procedure Qualification Test,Section III 1/1/78 1506 Stress Intensification Factors,Section III, Class 2 and 3 Piping 1/1/78 1515 Ultrasonic Examination of Ring Forgings for Shell Sections, 7/1/77 Section III, Class 1 Vessels 1529 Materials for Instrument Line Fittings,Section III 7/1/73 1531 Electrical Penetrations, Special Alloys for Electrical Penetration 3/21/77 Seals,Section III 1532 Section III, Class 3 Components Made of 8 Percent and 9 1/1/78 Percent Nickel Steel 1533 Pressure Temperature Ratings of SA-351 Grades CF8A, CF3, 7/1/75 and CF3M,Section III 1535-2 Hydrostatic Testing of Section III, Class 1 Valves 3/21/77 26

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE 1536 Closing Seam for Electrical Penetrations for Section III, Class 7/1/77 2, 3, and MC 1553-1 Upset Heading and Roll Threading of SA-453 for Bolting in 1/1/76 Section III 1555-1 Certification of Safety Relief Valves,Section III, 1/1/78 Division 1 1567 Testing Lots of Carbon and Low Alloy Steel Covered 1/1/78 Electrodes,Section III 1568 Testing Lots of Flux Cored and Fabricated Carbon and Low 1/1/78 Alloy Steel Welded Electrodes,Section III 1573 Vacuum Relief Valves,Section III 1/1/78 1574 Hydrostatic Test Pressure for Safety Relief Valves,Section III 12/31/74 1580-1 Buttwelded Alignment Tolerance and Acceptable Slopes for 1/1/78 Concentric Centerlines for Section III, Class 1, 2, and 3 Construction 1581 Power-Operated Pressure Relief Valves,Section III 3/1/79 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, 12/31/75 Division 2 Construction 1590 Chemical Analysis Variations,Section III Construction 3/21/77 1601 Limits of Reinforcement for Two-Thirds Area,Section III, Class 7/1/74 1

1602-1 Use of SB-42 Alloy 122, SB-111 Alloys 122, 715 and 706 and 12/31/74 SB-466 Alloys 706 and 715,Section III, Class 2 and 3 Components 1603 Toughness Tests When Cross-Section Limits Orientation and 7//1/74 Location of Specimens 1605 Cr-Ni-Mo-V Bolting Material for Section III, Class 1 3/17/80 Components 1608-1 Use of ASME SB-265, SB-337, SB-338, and SB-381, Grades 3/21/77 1, 2, 3, and 7 Unalloyed Titanium and ASTM B-363 Titanium Welding Fittings,Section III, Class 2 and 3 Components 1613 Use of SA-372 Class IV Forgings,Section III Construction 1/1/78 27

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE 1614 Hydrostatic Testing of Piping Prior To or Following the 1/1/79 Installation of Spray Nozzles for Section III, Classes 1, 2, and 3 Piping Systems 1615 Use of A587-73,Section III, Class 3 Construction 1/1/78 1616 Ultrasonic Examination of Seamless Austenitic Steel Pipe, 7/1/75 Section III, Class 1 Construction 1622 PWHT of Repair Welds in Carbon Steel Castings,Section III, 1/1/76 Class 1, 2, and 3 1623 Design by Analysis for Section III, Class 1 Sleeve-Coupled and 3/1/79 Other Patented Piping Joints 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, 1/1/78 Section III 1637 Effective Date for Compliance with NA-3700 of 1/1/75 Section III 1645 Use of DeLong Diagram for Calculating the Delta Ferrite 1/1/76 Content of Welds in Section III, Class 1, 2, and CS Construction 1648 SA-537 Plates for Section III, Class 1, 2, 3, and MC 7/1/76 Components 1649 Modified SA-453-GR 660 for Class 1, 2, 3, and CS 1/1/76 Construction 1650 Use of SA-414 Grade C for Class 2 and 3 Components, 12/31/74 Section III, Division 1 1651 Interim Requirements for Certification of Component Supports, 3/1/79 Section III, Subsection NF 1657 Stress Criteria for Class 2 and 3 Atmospheric and Low 7/1/77 Pressure (0-15 psig) Steel Storage Tanks 1659 Interconnection of Two Piping Systems for Section III, Class 1, 7/1/77 2, and 3 Construction 1661 Postweld Heat Treatment P-No.1 Materials for Section III, 1/1/78 Class 1 Vessels 1662 Shop Assembly of Components, Appurtenances and Piping 1/1/78 Subassemblies for Section III, Class 1, 2, 3, and MC Construction 28

CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE 1664 Use of Cr-Ni-Fe-Mo-Cu-Cb Stabilized Alloy Cb-3 for Section III 3/21/77 Class 2 and 3 Construction 1666 Use of SB-12, Alloy 122 for Class 2 and 3 Construction 7/1/75 1682-1 Alternate Rules for Material Manufacturers and Suppliers, 21/31/75 Section III, Subarticle NA-3700 1672 Nuclear Valves for Section III, Division 1, Class 1, 2, 3 3/21/77 Construction 1675 Tubesheet to Shell or Formed Head Weld Joints,Section III, 7/1/76 Class 1 Vessels 1676 Clarification of Stress Intensities in Curved Pipe or Welded 7/1/76 Elbows,Section III 1678 Butterfly Valves of Circular Cross Section Larger than 24 in. 1/1/80 NPS for Section III, Class 2 and 3 Construction 1683-1 Bolt Holes for Section III, Class 1, 2, 3 and MC Component 7/1/76 Supports 1684 A637 Grade 718 for Bolting Class 1 and 2 Construction 1/1/76 1685 Furnace Brazing Section III, Class 1, 2, 3 and MC Construction 1/1/78 1686 Furnace Brazing,Section III, Subsection NF, Component 1/1/78 Supports 1690 Stock Materials for Section III Construction,Section III, Division 1/1/77 1

1691 Ultrasonic Examination in Lieu of Radiography of Repair Welds 1/1/78 for Vessels,Section III, Class 1 1703 Brazing of Copper Alloys,Section III, Class 2 1/1/78 1706 Data Report Forms for Component Supports,Section III, Class 12/31/75 1, 2 and 3 1713 Small Material Items,Section III, Division 1, Class 1, 2, 3, CS 12/31/75 and MC 1718 Design of Structural Connections for Linear Type Component 7/1/76 Supports,Section III, Division 1, Class 1, 2 and 3 and MC 1719 Single-Welded, Full-Penetration Sidewall Butt Joints in 7/1/76 Atmospheric Storage Tanks,Section III, Division 1, Class 2 29

Table 3 - Annulled Unconditionally Approved Section III Code Cases CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE 1728 Steel Structural Shapes and Small Material Products for 7/1/77 Components Supports,Section II, Division 1 Construction 1740 Weld Metal Test,Section III, Class 1, 2, 3, MC and CS 7/1/76 1741-1 Interim Rules for the Required Number of Impact Tests for 1/1/78 Rolled Shapes,Section III, Division 1, Subsection NF, Components Supports 1742 Use of SB-75 Annealed Copper Alloy 122,Section III, Division 7/1/76 1, Class 2 Construction 1743 Use of SB-98 Cu-SiB Rod CDA651 Section III, Division 1, 7/1/76 Class 2 Components 1760 Maximum Dimensions for Isolated Pores in Welds-Class 1 7/1/77 Components,Section III, Division 1 1765 Machining After Hydrostatic Testing Class 2 and 3 7/1/77 Construction,Section III, Division 1 1766 Testing Requirements for Welding Materials, Class 1, 2, 3, MC 7/177 and CS Construction,Section III, Division 1 1767 Examination of Tubular Products Without Filler Metal-Class 1 1/1/77 Construction,Section III, Division 1 1768 Permanent Attachments to Containment Vessels-Class MC, 1/1/78 Section III, Division 1 1769-1 Qualification of NDE Level III Personnel,Section III, Division 1 10/1/77 1773 Use of Other Product Forms of Materials for Valves, Section 7/1/77 III, Division 1 1775 Data Report Forms for Core Support Structures, Class CS, 8/13/79 Section III, Division 1 1777 Use of SA-106, Grade C in Class MC Construction,Section III, 7/1/77 Division 1 1787 Depth of Weld Repairs for Forgings,Section III, Division 1, 1/1/78 Class 1, 2, 3, MC and CS Construction 1798 Use of ASTM A352-75, Grades LCA and LCC,Section III, 1/1/78 Division 1, Class 1, 2, and 3 1808 F-Number Classification of Low Alloy and Carbon Steel Bare 1/1/78 Rod Electrodes, Sections I, II, III, IV, V, VIII, and IX.

30

Table 4 - Annulled Conditionally Acceptable Section III Code Cases CODE TABLE 3 CASE ANNULLED UNCONDITIONALLY APPROVED CODE ANNULMEN NUMBER CASES T DATE 1810 Testing Lots of Carbon Steel Solid, Bare Welding Electrode or 3/3/80 Wire,Section III, Division 1, Class 1, 2, 3, MC, and CS 1819 Use of Type XM-19 for Construction,Section III, Division 1, 1/1/78 Class 1, 2, 3

4. ANNULLED CONDITIONALLY ACCEPTABLE SECTION III CODE CASES The annulled Code Cases listed in Table 4 below were conditionally approved by the NRC. The ASME issuesSection III Code Cases quarterly in supplements to a specific edition; i.e., a new edition of Section III is published every three years, and supplements are published quarterly. Hence, there are 12 supplements to each edition.

TABLE 4 - ANNULLED CONDITIONALLY ACCEPTABLE SECTION III CODE CASES CODE TABLE 4 ANNULMEN CASE ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES T DATE NUMBER TITLE / CONDITION N-11-5 High Yield Strength Cr-Mo Steel for Section III, Division 1, Class 8/29/80 (1414-5) 1 Vessels 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 7/1/93 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 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 3/16/84 for Section III, Division 1 Construction 31

CODE TABLE 4 ANNULMEN CASE ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES T DATE NUMBER TITLE / CONDITION The acceptance of Code Case N-32-4 was based on the following clarification and interpretation. Code Case N 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.

32

CODE TABLE 4 ANNULMEN CASE ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES T DATE NUMBER TITLE / CONDITION N-32-4 Hydrostatic Testing of Embedded Class 2 and Class 3 Piping 3/16/84 (contd) for Section III, Division 1 Construction 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 Waiver of Ultrasonic Transfer Method,Section III, V, and VIII, 7/13/81 (1698) 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. 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 B&PV Code, 1977 Edition.

N-100 Pressure Relief Valve Design Rules,Section III, Division 1, 1/1/83 (1711) Class 1, 2 and 3 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 Case for Class and paragraph 3.2,Section II, of the Case for Class 2 and 3 pressure relief valves.

33

CODE TABLE 4 ANNULMEN CASE ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES T DATE NUMBER TITLE / CONDITION N-100 Pressure Relief Valve Design Rules,Section III, 1/1/83 (1711) Division 1, Class 1, 2 and 3 (contd)

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

N-106-2 Weld End Preparation for Section III, Division 1 Construction 8/14/93 (1720-2)

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 Alternate Test Fluids,Section III, Division 1 1/1/79 (1727)

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 Weld Design for Use for Section III, Division 1, Class 1, 2, 3 and 1/1/78 (1734) MC Construction of Component Supports 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.

34

CODE TABLE 4 ANNULMEN CASE ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES T DATE NUMBER TITLE / CONDITION N-146-1 Hydrostatic Testing and Stamping of Components,Section III, 1/1/82 (1780-1) 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 piping reaction loadings be simulated in the hydrostatic testing.

N-175 Welded Joints in Component Standard Supports,Section III, 7/1/79 (1818) Division 1 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 1/1/81 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.

N-238 High Temperature Furnace Brazing of Seat Rings in Valve 1/1/82 Bodies or Bonnets for Section III, Division 1, Class 1, 2, and 3 Valves The furnace brazing process procedure qualification should include a verification for nonsensitization as given in ASTM A 262-70, Practices A or E, or ASTM A 708-74 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.

35

CODE TABLE 4 ANNULMEN CASE ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES T DATE NUMBER TITLE / CONDITION N-242-1 Materials Certification,Section III, Division 1, Classes 1, 2, 3, 6/30/84 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.

N-252 Low Energy Capacitive Discharge Welding Method for 7/1/82 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.

N-260-2 Weld Repair of SA-182 Type 316 Forgings,Section III, Division 12/5/88 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.

N-263 Alternate Thread Forms, Series and Fits for Component 3/17/83 Supports,Section III, Division 1 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 6/30/86 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 according to Section XI requirements.

36

CODE TABLE 4 ANNULMEN CASE ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES T DATE NUMBER TITLE / CONDITION 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, 7/13/81 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-310-1 Certification of Bolting Materials,Section III, Division 1, Class 1, 7/1/82 2, 3, MC and CS Each applicant who applies the Code Case should indicate in the referencing 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.

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 Use of SA-574 Socket Weld Head Cap Screws,Section III, 9/7/85 N-348-1 Division 1 2/20/89 N-348-2 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 Treatment-Thickness of Material,Section III, 9/5/85 Division 1 37

CODE TABLE 4 ANNULMEN CASE ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES T DATE NUMBER TITLE / CONDITION Applicants wishing to use this Case for other than P-1 materials should demonstrate that the use of this Case will not adversely affect the required material properties.

N-383-1 Weld Repair of SA-182 Austenitic Forgings,Section III, Division 9/5/85 1, Classes 1, 2, and 3 Applicants who apply the provisions of this 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- 2/20/87 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 Regulatory Guide 1.122, Development of Floor Design Response Spectra for Seismic Design of Floor-Supported Equipment or Components.

N-398 Reporting of Charpy-V Notch Test Results,Section III, Division 2/20/87 1

The Code Case is not acceptable to steam generator or reactor coolant pump supports. Applicants wishing to use this Code 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 12/11/95 Tubing,Section III, Division 1, Class 1 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. [Note: condition contained in Revision 31 of this guide.]

38

CODE TABLE 4 ANNULMEN CASE ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES T DATE NUMBER TITLE / CONDITION N-411-1 Alternative Damping Values for Response Spectra Analysis of 5/5/00 Class 1, 2, and 3 Piping,Section III, Division 1 (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, 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).

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.

(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. [Note: conditions contained in Revision 31 of this guide.]

39

CODE TABLE 4 ANNULMEN CASE ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES T DATE NUMBER TITLE / CONDITION N-430 Alternative Requirements for Welding Workmanship and Visual 7/1/93 Acceptance Criteria for Class 1, 2, 3 and MC Linear-Type and Standard Supports,Section III, Division 1 (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.

1361-2 Socket Welds,Section III 3/1/79 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, 1/1/77 Class 1 Vessels 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, 7/1/77 VIII, Division 1 and 2 Code Case 1423-2 was acceptable subject to compliance with the recommendations contained in Regulatory Guides 1.31, Control of Ferrite Content in Stainless Steel Weld Metal, and 1.44, Control of the Use of Sensitized Stainless Steel.

40

CODE TABLE 4 ANNULMEN CASE ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES T DATE NUMBER TITLE / CONDITION 1521-1 Use of H-Grades of SA-240, SA-479, SA-336, and 1/1/78 SA-358,Section III Code Case 1521-1 was acceptable subject to compliance with the recommendations contained in Regulatory Guides 1.31, Control of Ferrite Content in Stainless Steel Weld Metal, and 1.44, Control of the Use of Sensitized Stainless Steel.

1528-3 High Strength Steel SA-508, Class 2 and SA-541, Class 2 1/1/78 Forgings,Section III, Class 1 Components 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 7/1/79 Code Case 1569 was acceptable subject to compliance with the recommendations contained in Regulatory Guide 1.67, Installation of Over-pressure Protection Devices.

1606-1 Stress Criteria Section III, Classes 2 and 3 Piping Subject to 7/1/77 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 applicable to ASME Code Class 2 and 3 components for fluid systems.

These designations should be established and justified in the design specifications.

1607-1 Stress Criteria for Section III, Classes 2 and 3 Vessels 7/1/77 Designed to NC/NC-3300 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 applicable to ASME Code Class 2 and 3 components for fluid systems.

These designations should be established and justified in the design specifications.

41

CODE TABLE 4 ANNULMEN CASE ANNULLED CONDITIONALLY ACCEPTABLE CODE CASES T DATE NUMBER TITLE / CONDITION 1635-1 Stress Criteria for Section III, Class 2 and 3 Valves Subjected to 7/1/77 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 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 Valves Subjected to 7/1/77 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 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- 1/1/78 22, SA-387 Grade 22, Class 2, and SA-335 Grade P-22 Section III, Class 1, 2, 3 and CS 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 1/1/79 III, Division 1 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.

5. CODE CASES SUPERSEDED BY REVISED CODE CASES The Code Cases listed in Table 5 were approved in prior versions of the 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 42

Case. 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 TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-5 Nickel-Chromium, Age-Hardenable Alloys (Alloy X750), 12/13/82 (1344-5) Section III N-7 High Yield Strength Steel,Section III, Division 1, Class 1 Vessels 12/13/82 (1358-5)

The information required to be developed by Note 1 in the Code Case should be provided in each referencing Safety Analysis Report.

N-20 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at 9/5/85 (1484-3) Nickel-Iron-Chromium Alloy 800 at a Specified Minimum Yield N-20-1 Strength of 40.0 Ksi,Section III, Division 1, Class 1 12/7/87 N-20-2 SB-163 Nickel-Chromium-Iron Tubing (Alloy 600 and 690) at 11/30/88 N-20-3 Nickel-Iron-Chromium Alloy 800 at a Specified Minimum Yield 2/26/99 Strength of 40.0 Ksi and Cold Worked Alloy 800 at a yield strength of 47.0 Ksi,Section III, Division 1, Class 1 N-30-1 Metal Bellows and Metal Diaphragm Stem Sealed Valves, Section 11/21/77 (1539) III, Classes 1, 2, and 3 N-31 Elastomer Diaphragm Valves,Section III, Class 2 and 3 7/18/85 (1540-2)

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 Inertia and Continuous Drive Friction Welding,Section I, III, IV, 4/5/84 (1609-1) VIII, Division 1 and 2, and IX N-60 Material for Core Support Structures,Section III, Division 1, 5/25/83 (1618-2) Subsection NG 9/17/84 N-60-1 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.

43

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-60-2 Material for Core Support Structures,Section III, Division 1, 9/5/85 N-60-3 Subsection NG 5/13/91 N-60-4 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 Internal and External Valve Items,Section III, Division 1, Class 1, 7/18/85 (1621-2) 2 and 3 Line Valves N-62-3 9/5/85 N-62-4 The Code requires that Class 1 and Class 2 valve 7/24/89 N-62-5 manufacturers meet the provisions of NCA 4000, Quality 12/11/89 N-62-6 Assurance, and, in addition, Class 3 valve manufacturers 5/11/94 should also meet the provisions of NCA-4000.

N-71-7 Additional Materials for Component Supports,Section III, Division 5/15/78 (1644-7) 1, Subsection NF, Class 1, 2, 3 and MC Component Supports N-71-8 1/7/80 (1644-8) 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.

44

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-71-9 Additional Materials for Component Supports Fabricated by 5/11/81 (1644-9) Welding,Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports 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-71-10 Additional Materials for Component Supports Fabricated by 6/17/82 N-71-11 Welding,Section III, Division 1, Subsection NF, Class 1, 2, 3, and 2/14/83 MC Component Supports 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.

45

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-71-12 Additional Materials for Component Supports Fabricated by 2/20/84 Welding,Section III, Division 1, Class 1, 2, 3 and MC 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 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 1/2 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 1/2 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.

46

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-71-13 Additional Materials for Subsection NF, Classes 1, 2, 3 and MC 12/5/85 N-71-14 Component Supports Fabricated by Welding,Section III, Division 1 12/16/86 N-71-15 2/12/93 N-71-16 The maximum measured ultimate tensile strength (UTS) of 12/31/96 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 1/2 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 1/2 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 the USNRC Standard Review Plan (NUREG-0800) 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-77 External Pressure Charts for High Yield Strength Carbon Steels 7/10/78 (1630) and Low Alloy Steels (Yield strength above 38 Ksi to 60 Ksi Inclusive) For Section III, Class 1, 2, 3, and MC; and Section VIII, Division 1 and 2 47

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-95-1 Determination of Capacities of Vacuum Relief Valves,Section III, 7/9/79 (1701-1) Division 1 and 2, Class MC N-102-1 Postweld Heat Treatmen of P-1 Material,Section III, Class MC 8/28/78 (1714-2)

N-119-2 Pump Internal Items,Section III, Division 1, Class 1, 2, and 3 8/25/80 (1739-2)

N-119-3 12/1/80 (1739-3 N-119-4 7/18/85 (1739-4)

N-119-5 N-122 Stress Indices for Structural Attachments, Class 1,Section III, 7/24/89 Division 1 N-133 Use of SB-148 Alloy CA954 for Section III, Division 1, Class 2 or 3 1/14/77 (1761-1) Flanged End Valves N-133-1 Use of SB-148 Alloys 952 and 954,Section III, Division 1, Class 3 5/19/85 N-133-2 7/18/85 N-154 Projection Resistance Welding of Valve Seats,Section III, Division 12/5/85 (1791) 1, Class 1, 2 and 3 Valves N-160 Finned Tubing for Construction,Section III, Division 1 7/18/85 (1797)

N-188 Use of Welded Ni-Fe-Cr-Mo-Cu (Alloy 825) and Ni-Cr-Mo-Cb 1/1/78 (Alloy 625) Tubing,Section III, Division 1, Class 3 N-192 Use of Flexible Hose for Section III, Division 1, Class 1, 2, and 3 8/30/79 N-192-1 Construction 9/16/81 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 iwth 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 1/8/79 Analysis is Performed for Section III, Division 1, Class 1 Construction N-207 Use of Modified SA-479 Type XM-19 for Section III, Division 1, 3/19/79 Class 1, 2, or 3 Construction N-214 Use of SA-351, Grade CN7M, for Valves for Section III, Division 1, 9/7/82 N-214-1 Construction 5/25/83 48

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-224 Use of ASTM A500 Grade B and ASTM A501 Structural Tubing for 5/11/81 Welded Attachments for Section III, Class 2 and 3 Construction 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, 5/25/83 Classes 2 and 3 N-242 Materials Certification,Section III, Division 1, Classes 1, 2, 3, MC, 4/10/80 and CS Construction 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 9/7/82 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 5/11/81 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, 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 6/17/82 Welding,Section III, Division 1, Subsection NF, Class 1, 2, 3, and MC Component Supports 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.

N-249-2 Additional Materials for Subsection NF Class 1, 2, 3, and MC 2/14/83 N-249-3 Component Supports Fabricated Without Welding,Section III, 2/20/84 Division 1 49

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-249-4 Additional Material for Subsection NF, Classes 1, 2, 3, and MC 9/17/84 N-249-5 Component Supports Fabricated Without Welding,Section III, 4/8/85 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 the USNRC Standard Review Plan (NUREG-0800) or on a case-by-case basis.

N-249-6 Additional Material for Subsection NF, Classes 1, 2, 3, and MC 9/5/85 N-249-7 Component Supports Fabricated Without Welding,Section III, 12/5/85 N-249-8 Division 1 12/16/86 N-249-9 5/6/89 N-249-10 The fracture toughness requirements apply only to piping 5/13/91 N-249-11 supports and not to Classes 1, 2, and 3 component supports. 2/12/93 N-249-12 The fracture toughness of Classes 1, 2, and 3 component 5/11/94 supports should be characterized in accordance with Section 5.3.4 of the USNRC Standard Review Plan (NUREG-0800) or on a case-by-case basis. The following is to be added to paragraph (5) of the: 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, 7/18/85 Classes 1, 2, 3, and MC N-260-1 Weld Repair of SA-182 Type 316 Forgings,Section III, Division 1, 12/5/85 Classes 1, 2, 3, and MC 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 Metal Containment Shell Buckling Design Methods,Section III, 7/27/92 Division 1, Class MC If axisymmetric techniques are employed in the analysis of vessels with large openings, the applicability of the methodology in these applications should be demonstrated.

50

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-299 Use of Nickel-Chromium-Molybdenum-Columbium Alloy 625 7/18/85 Forgings,Section III, Division 1, Class 2 and Class 3 Components N-304 Use of 20 Cr-25Ni-6Mo (Alloy UNS N08366) Welded Tubes for 7/12/84 N-304-1 Section III, Division 1, Classes 2 and 3 Construction 5/19/85 N-304-2 12/5/85 N-304-3 2/23/87 N-309 Identification of Materials for Component Supports,Section III, 5/11/84 Division 1 N-318 Procedure for Evaluation of the Design of Rectangular Cross 2/20/84 N-318-1 Section Attachments on Class 2 or 3 Piping,Section III, Division 1 7/12/84 N-318-2 9/5/85 N-318-3 Applicants should identify in their Safety Analysis Report: (1) 12/11/89 N-318-4 the method of lug attachment, (2) the piping system involved, 4/28/94 and (3) the location in the system where the Case is to be applied.

N-319 Alternate Procedure for Evaluation of Stresses in Butt Weld 7/24/89 N-319-1 Elbows in Class 1 Piping,Section III, Division 1 8/14/90 N-319-2 1/17/00 N-321 Use of Modified SA-249, Type 304,Section III, Division 1, Class 1 12/5/85 Construction N-337 Use of ASTM B 525-70 Grade II, Type II, Sintered Austenitic 7/18/85 Stainless Steel for Class 2, 3, and MC Component Standard Supports,Section III, Division 1 N-345 Attachment of AMS 5382 Alloy 31 Seat Rings by Friction Welding, 12/13/82 Section III, Division 1, Classes 1, 2, and 3 N-352 Use of SA-638 Grade 660 Forgings and Bars Below 700-F 7/18/85 Without Stress Rupture Tests,Section III, Division 1 N-362 Alternate Rules for Pressure Testing of Containment Items, 12/13/82 Section III, Division 1 N-362-1 Pressure Testing of Containment Items,Section III, Division 1, 7/12/84 Classes 1, 2, and MC N-370 Modified SA-705 Grade XM-13 Forgings,Section III, Division 1 7/18/85 N-370-1 12/5/85 N-371 12Cr-1W-1Mo-1/4V Martensitic Stainless Steel Valve Internals, 7/18/85 Section III, Division 1 N-379 Bimetallic Tubing Section III, Division 1, Class 1 7/18/85 51

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-383 Weld Repair of SA-182 Austenitic Forgings,Section III, Division 1, 7/18/85 Classes 1, 2, and 3 Applicants who apply the provisions of the 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 7/24/89 Section Welded Attachments on Class 1 Piping,Section III, Division 1 N-391-1 Procedure for Evaluation of the Design of Hollow Circular Cross 8/24/95 Section Welded Attachments on Class 1 Piping,Section III, Division 1 The following typographical errors need to be corrected: 1) In equation (3) the + sign should be changed to an = sign. 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 12/11/89 Section Welded Attachments on Classes 2 and 3 Piping,Section III, Division 1 N-392-1 Procedure for Evaluation of the Design of Hollow Circular Cross 12/11/92 Section Welded Attachments on Classes 2 and 3 Piping,Section III, Division 1 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 Case is to be applied.

N-392-2 Procedure for Evaluation of the Design of Hollow Circular Cross 12/12/94 Section Welded Attachments on Classes 2 and 3 Piping,Section III, Division 1 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 Case is to be applied.

52

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-411 Alternative Damping Values for Seismic Analysis of Classes 1, 2, 2/20/86 and 3 Piping Sections,Section III, Division 1 (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, Damping Values for Seismic Design of Nuclear Power Plants, 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-Reference 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 7/30/86 UNS N08904) Tubing,Section III, Division 1, Classes 2 and 3 N-438 Fe-24.5Ni-21Cr-6.5 Mo-0.2N (Alloy UNS N08367) Seamless and 3/8/89 N-438-1 Welded Pipe, Tube, Plate, Bar, Fittings, and Forgings, Class 2 and 3/5/90 N-438-2 3 Construction,Section III, Division 1 7/27/92 N-438-3 UNS N08367 Material,Section III, Division 1, Class 2 and 3 5/24/96 Construction N-439 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Forgings, Plate, 7/10/00 Seamless and Welded Pipe, and Welded Tube, Class 2 and 3 Construction,Section III, Division 1 N-440 Use of 20Cr-18Ni-6Mo (Alloy UNS J93254) Castings, Class 2 and 7/10/00 3 Construction,Section III, Division 1 N-441 Use of 20Cr-18Ni-6Mo (Alloy UNS S31254) Fittings, Class 2 and 3 11/25/92 N-441-1 Construction,Section III, Division 1 7/10/00 53

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-443 High Yield Strength Cr-Mo Steel, Class 1 Components,Section III, 3/8/89 N-443-1 Division 1 11/11/99 N-453 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS 11/30/88 N08925) Welded Pipe for Class 2 and 3 Construction,Section III, Division 1 N-453-1 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS 4/30/92 N08925) Seamless and Welded Pipe for Class 2 and 3 Construction,Section III, Division 1 N-453-2 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS 12/12/95 N08925 and N08926) Seamless and Welded Pipe for Class 2 and 3 Construction,Section III, Division 1 N-454 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS 4/30/92 N08925) Wrought Fittings for Class 2 and 3 Construction,Section III, Division 1 N-455 Nickel-Chromium-Molybdenum-Copper Stainless Steel (UNS 4/30/92 N08925) Forged Flanges and Fittings for Class 2 and 3 Construction,Section III, Division 1 N-466 Modified 9Cr-1Mo Material,Section III, Division 1, Classes 1, 2, 4/30/90 and 3 N-469 Martensitic Stainless Steel for Class 1, 2, and 3 Components, 6/14/00 Section III, Division 1 N-474 Design Stress Intensities and Yield Strength Values for Alloy 690 3/5/90 With a Minimum Yield Strength of 35 ksi, Class 1 Components,Section III, Division 1 N-474-1 Design Stress Intensities and Yield Strength Values for UNS 12/9/93 N06690 With a Minimum Specified Yield Strength of 35 ksi, Class 1 Components,Section III, Division 1 N-484 Real Time Radioscopic Examination of Welds,Section III, 12/16/91 Division 1 N-492 Grade 9 Titanium Alloy Tubing,Section III, Division 1, Class 1, 2, 5/11/94 and 3 N-497 Use of Fe-Ni-Cr-Mo-N (C-N-3MN) Cast Materials,Section III, 12/9/93 Division 1, Class 2 and 3 Construction N-510 Borated Stainless Steel for Class CS Core Support Structures and 12/12/94 Class 1 Components,Section III, Division 1 N-520 Alternative Rules for Renewal of N-type Certificates for Plants Not 10/26/94 in Active Construction,Section III, Division 1 54

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE N-564-1 UNS J93380, Alloy CD3MWCuN, Class 2 and 3 Construction, 12/31/96 Section III, Division 1 N-580 Use of Alloy 600 With Columbium Added,Section III, Division 1 5/20/98 1332-6 Requirements for Steel Forgings,Section III and VIII, Division 1 1/8/79 1335-9 Requirements for Bolting Materials 8/28/78 1337-9 Special Type 403 Modified Forgings or Bars,Section III 4/28/75 1337-10 5/15/78 1395-3 SA-508, Class 2 Forgings with Modified Manganese Content, 1/8/79 Section III or Section VIII, Division 2 1407-2 Time of Examination for Class 1, 2, and 3,Section III Vessels 7/1/74 1414-3 High Yield Strength Cr-Mo Steel for Section III, Division 1, Class 1 3/1/76 1414-4 Vessels 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 11/4/74 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 8/13/76 Specified Minimum Yield Strength of 40.0 Ksi,Section III, Class 1 1492 Post Weld Heat Treatment,Section I, III and VIII, Division 1 and 2 3/3/75 1508 Allowable Stresses, Design Intensity and/or Yield Strength Values, 6/30/75 Section I, III, and VIII, Divisions 1 and 2 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 9/30/76 Section III Construction 1541-2 Hydrostatic Testing of Embedded Class 2 and Class 3 Piping for 5/15/78 Section III, Division 1 Construction 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 3/3/75 III 1555 Certification of Safety Relief Valves on Liquids 1/14/77 1557-2 Steel Products Refined by Secondary Remelting 1/8/79 55

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE 1606 Stress Criteria for Section III, Class 2 and 3 Piping Subjected to 12/16/74 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 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 11/4/74 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 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 3/3/75 (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.

1618-1 Material for Core Support Structures,Section III, Subsection NG 3/1/76 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, 1/8/79 Section I,Section III, and Section VIII, Division 1 and 2 1634 Use of SB-359 for Section III, Class 3 Construction 8/12/74 1634-1 8/13/76 1644 Additional Materials for Component Supports,Section III, 4/28/75 1644-1 Subsection NF, Class 1, 2, 3, and MC Construction 6/30/75 1644-2 11/3/75 1644-3 The maximum measured ultimate tensile strength of the 3/1/76 component support material should not exceed 170 Ksi.

56

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE 1644-4 Additional Materials for Component Supports and Alternate Design 8/13/76 1644-5 Requirements for Bolted Joints,Section III, Division 1, Subsection 3/3/77 1644-6 NF, Class 1, 2, 3, and MC Construction 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 8/11/75 III, Subarticle NA-3700 1683 Bolt Holes for Section III, Division 1, Class 1, 2, 3 and MC 3/1/76 Component Supports 1689 Alternate PWHT Time and Temperature for SA-182 Grade F22, 9/10/76 Section III, Class 1, 2, 3 and CS 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 11/3/75 1701 Determination of Capacities of Vacuum Relief Valves,Section III, 3/20/78 Class MC 1702 Flanged Valves Larger than 24 inches for Section III, Class 1, 2 7/11/77 and 3 Construction 1714 Postweld Heat Treatment of P-1 Material,Section III, Class MC 7/11/77 57

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE 1720 Weld End Preparation for Section III, Division Construction 3/1/76 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 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 1/8/79 1, and VIII, Division 1 and 2 1741 Interim Rules for the Required Number of Impact Tests for Rolled 1/14/77 Shapes,Section III, Division 1, Subsection NF, Component Supports 1755 Alternate Rules for Examination of Welds in Piping, Class 1 and 2 1/14/77 Construction,Section III, Division 1 1759 Material for Internal Pressure Retaining Items for Pressure Relief 5/15/78 Valves,Section III, Division 1, Class 1, 2, and 3 Applicants using this Case should also use Code Case 1711 for the design of pressure relief valves.

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, 7/11/77 Division 1 58

CODE TABLE 5, CODE CASES SUPERSEDED BY REVISIO CASE REVISED CODE CASES N NUMBER DATE 1780 Hydrostatic Testing and Stamping of Pumps for Class 1 3/10/78 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. 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.

1761 Use of SB-148 Alloy CA954 for Section III, Division 1, Class 2 or 3 1/14/77 Flanged End Valves 59

Appendix A SUPPLEMENTS ADDRESSED IN PROPOSED REVISION 32 TO REGULATORY GUIDE 1.84 EDITION SUPPLEMEN BNCSa APPROVAL T NUMBER DATE OF CODE CASES IN SUPPLEMENTb 1992 4 February 12, 1993 1992 5 April 27, 1993 1992 6 August 9, 1993 1992 7 December 9, 1993 1992 8 February 15, 1994 1992 9 May 11, 1994 1992 10 August 5, 1994 1992 11 December 12, 1994 1992 12 March 14, 1995 1995 1 June 9, 1995 1995 2 August 24, 1995 1995 3 December 12, 1995 1995 4 March 19, 1996 1995 5 May 24, 1996 1995 6 August 9, 1996 1995 7 December 31, 1996 1995 8 March 12, 1997 1995 9 May 26, 1997 1995 10 August 14, 1997 1995 11 December 12, 1997 1995 12 March 2, 1998 1998 1 May 20, 1998 1998 2 July 30, 1998 1998 3 February 15, 1999 60

EDITION SUPPLEMEN BNCSa APPROVAL T NUMBER DATE OF CODE CASES IN SUPPLEMENTb 1998 4 February 26, 1999 1998 5 May 7, 1999 1998 6 September 24, 1999 1998 7 November 11, 1999 1998 8 January 17, 2000 1998 9 March 28, 2000 1998 10 October 2, 2000 1998 11 December 8, 2000 a

BNCS - ASME Board on Nuclear Codes and Standards b

Publication generally is 3 months after BNCS approval.

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Appendix B Numerical Listing of Section III Code Cases in Supplement 4, 1992 Edition, through Supplement 11, 1998, Edition1 N-4-11 N-249-13 N-418-1 N-5102 N-7-1 N-262 N-420 N-510-12 N-20-3 N-265-1 N-430 N-511 N-20-4 N-284-12 N-433 N-5192 N-31-1 N-292 N-438-1 N-520 N-47-30 N-294 N-438-3 N-520-1 N-47-31 N-304-4 N-438-4 N-525 N-47-32 N-309-1 N-439 N-5302 N-47-33 N-313 N-439-1 N-539 N-48-2 N-315 N-440 N-540 N-49-4 N-316 N-440-1 N-548 N-50-1 N-318-4 N-441-1 N-549 N-51-2 N-318-5 N-441-2 N-550 N-60-5 N-319-2 N-443-2 N-551 N-62-6 N-319-3 N-451 N-558 N-62-7 N-324 N-452 N-559 N-71-16 N-329 N-453-3 N-564 N-71-17 N-337-1 N-454-1 N-564-1 N-106-2 N-345-1 N-455-1 N-564-2 N-119-6 N-348-2 N-459 N-5652 N-122-2 N-351 N-462 N-570 N-131-1 N-354-1 N-464 N-572 N-133-3 N-368 N-466-1 N-579 N-154-1 N-369 N-469 N-580 N-155-2 N-370-2 N-469-1 N-580-1 N-160-1 N-373-1 N-474-2 N-594 N-171 N-379-1 N-475 N-5952 N-188-1 N-384-1 N-476 N-595-12 N-192-2 N-387 N-482 N-595-22 N-196-1 N-391-1 N-483-22 N-596 N-205 N-391-2 N-483-32 N-607 N-208-1 N-392-2 N-484-1 N-608 N-208-2 N-392-3 N-492-1 N-610 N-213 N-393 N-493 N-611 N-231 N-394 N-497-1 N-620 N-240 N-395 N-500 N-621 N-241 N-403 N-500-1 N-625 N-243 N-404 N-501 N-626 N-246-2 N-405-1 N-502 N-631 N-247 N-410 N-505 N-632 N-249-12 N-411-1 N-507 N-635 1

Except for those Code Cases pertaining to high temperature gas-cooled reactors;Section III, Division 2; liquid metal; and submerged spent fuel waste casks.

2 Code Case is not acceptable for use; See Draft Regulatory Guide DG-1112.

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N-636 N-637 N-642 N-644 N-646 63

DRAFT IMPACT STATEMENT A draft impact statement has been prepared for the publication for public comment for proposed revisions to Regulatory Guides 1.84, Design and Fabrication Code Case Acceptability, ASME Section III (DG-1090), and 1.147, Inservice Inspection Code Case Acceptability, ASME Section XI, Division 1, and one proposed regulatory guide. The proposed Revision 32 of Regulatory Guide 1.84 will combine Regulatory Guides 1.84 and 1.85. The new proposed guide is DG-1089, Operation and Maintenance Code Case Acceptability, ASME OM Code.

ASME Code Cases provide alternatives to existing requirements contained in the ASME BPV and OM Codes, which have already been incorporated by reference into 10 CFR 50.55a. Hence, the inservice examinations and inservice testing provisions incorporated into 10 CFR 50.55a are currently being performed by licensees. Use of these alternatives, therefore, does not result in associated installation or continuing costs.

In addition, since many Code Cases provide more efficient and effective examinations and tests or were developed for the purpose of reducing occupational exposure, the implementation of Code Cases reduces the burden on industry.

A copy of the Draft Impact Statement is available for inspection or copying for a fee in the NRCs Public Document Room at 11555 Rockville Pike, Rockville, MD. The PDRs mailing address is USNRC PDR, Washington, DC 20555; telephone (301)415-4737 or 1-(800)397-4209; fax (301)415-3548; e-mail <PDR@NRC.GOV> . The Draft Impact Statement is also available through the NRCs Electronic Reading Room under accession number ML012690636.

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