Document: NRC Regulatory Guide
Document ID: 08cebcdf-2e81-4e08-a508-9f6b4701c0a5
Document Type: regulatory_guide
Title: Design, Fabrication, and Materials Code Case Acceptability, ASME Section III (Rev. 40)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2219/ML22195A282.pdf
Revision Date: 2023-05
Chapter: 
Section ID: RG-1.84
CFR Part: 
CFR Title: 

Content:
N-570-2 Alternative Rules for Linear Piping and Linear Standard Supports for Classes 1, 2, 3, and MC, Section, III, Division 1 1/11/21 N-580 N-580-1 Use of Alloy 600 with Columbium Added, Section III, Division 1 5/26/97 5/20/98 N-594 Repairs to P-4 and P-5A Castings without Postweld Heat Treatment Class 1, 2, and 3 Construction, Section III, Division 1 3/2/98 N-595-3 Requirements for Spent Fuel Storage Canisters, Section III, Division 1 The canisters must be made from austenitic stainless steel Type 304 or 316. 4/8/02 DG-1405, Page 48 CODE CASE NUMBER TABLE 5 CODE CASES THAT HAVE BEEN SUPERSEDED BY REVISED CODE CASES ON OR AFTER JULY 1, 1974 REVISION DATE N-621 Ni-Cr-Mo Alloy (UNS N06022) Welded Construction to 800°F, Section III, Division 1 11/2/04 N-625 Ni-Cr-Mo Alloy (UNS N06059) Welded Construction to 800°F, Section III, Division 1 3/28/01 N-635 Use of 22Cr-5Ni-3Mo-N (Alloy UNS S31803) Forgings, Plate, Bar, Welded and Seamless Pipe, and/or Tube, Fittings, and Fusion Welded Pipe with Addition of Filler Metal, Classes 2 and 3, Section III, Division 1 2/14/03 N-637 Use of 44Fe-25Ni-21Cr-Mo (Alloy UNS N08904) Plate, Bar, Fittings, Welded Pipe, and Welded Tube, Classes 2 and 3, Section III, Division 1 9/20/10 N-644 Weld Procedure Qualification for Procedures Exempt from PWHT in Class 1, 2, and 3 Construction, Section III, Division 1 Reinstated 2/14/03 N-655 Use of SA-738, Grade B, for Metal Containment Vessels, Class MC, Section III, Division 1 For metal containment vessels up to 1.75 inches thick, the following requirements apply: (1) Supplementary Requirement S17, “Vacuum Carbon-Deoxidized Steel,” of Material Specification SA-738 must be applied to the material. (2) Supplementary Requirement S20, “Maximum Carbon Equivalent for Weldability,” of Material Specification SA-738 must be applied to the material. 2/25/02 N-692 Use of Standard Welding Procedures, Section III, Division 1 5/9/16 N-755-3 Use of Polyethylene (PE) Class 3 Plastic Pipe, Section III,