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:
High Speed Tensile Impact testing of butt fusion joints in accordance with XXVI-2300 or XXVI-4330, if the specimen breaks away from the fusion zone it must be retested. When performing fusing operator qualification bend tests of butt fusion joints in accordance with XXVI-4342, guided side bend testing must be used for all thicknesses greater than 1.25 inches. 1361-2 Socket Welds, Section III Code Case 1361-2 was acceptable when used in connection with Section III, Paragraph NB-3356, “Fillet Welds.” 3/1/79 1412-4 Modified High Yield Strength Steel for Section III, Division 1, Class 1 Vessels Each referencing safety analysis report should provide the information required by Note 1 in the Code Case. The material given in the “Inquiry” section of the Code Case should be SA-508, Class 4b, instead of SA-508, Class 4. 1/1/77 1423-2 Wrought Type 304 and 316 with Nitrogen Added, Sections I, III, VIII, Divisions 1 and 2 Code Case 1423-2 was acceptable subject to compliance with the recommendations in RG 1.31, “Control of Ferrite Content in Stainless Steel Weld Metal” (Ref. 14), and RG 1.44, “Control of the Use of Sensitized Stainless Steel” (Ref. 15). 7/1/77 1521-1 Use of H-Grades of SA-240, SA-479, SA-336, and SA-358, Section III Code Case 1521-1 was acceptable subject to compliance with the recommendations contained in RG 1.31 and RG 1.44. 1/1/78 1528-3 High Strength Steel SA-508, Class 2 and SA-541, Class 2 Forgings, Section III, Class 1 Components Each referencing safety analysis report should provide the information required by Note 1 in the Code Case. 1/1/78 1569 Design of Piping for Pressure Relief Valve Station, Section III Code Case 1569 was acceptable subject to compliance with the recommendations in RG 1.67, “Installation of Over-Pressure Protection Devices” (Ref. 16). 7/1/79 1606-1 Stress Criteria Section III, Classes 2 and 3 Piping Subject to Upset, Emergency, and Faulted Operating Conditions Code Case 1606-1 was acceptable subject to the