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:
tructures, Class CS, Section III, Division 1 8/13/79 1777 Use of SA-106, Grade C in Class MC Construction, Section III, Division 1 7/1/77 1787 Depth of Weld Repairs for Forgings, Section III, Division 1, Class 1, 2, 3, MC and CS Construction 1/1/78 1798 Use of ASTM A352-75, Grades LCA and LCC, Section III, Division 1, Class 1, 2, and 3 1/1/78 DG-1405, Page 29 CODE CASE NUMBER TABLE 3 ANNULLED UNCONDITIONALLY APPROVED SECTION III CODE CASES ANNULMENT DATE 1808 F-Number Classification of Low Alloy and Carbon Steel Bare Rod Electrodes, Sections I, II, III, IV, V, VIII, and IX. 1/1/78 1810 Testing Lots of Carbon Steel Solid, Bare Welding Electrode or Wire, Section III, Division 1, Class 1, 2, 3, MC, and CS 3/3/80 1819 Use of Type XM-19 for Construction, Section III, Division 1, Class 1, 2, 3 1/1/78 DG-1405, Page 30 4. Annulled Conditionally Acceptable Section III Code Cases The NRC conditionally approved the Code Cases listed in Table 4; however, they were subsequently annulled by ASME. To assist users, new annulled Code Cases are shaded in grey to distinguish them from those listed in previous versions of this guide. Table 4. Annulled Conditionally Acceptable Section III Code Cases CODE CASE NUMBER TABLE 4 ANNULLED CONDITIONALLY ACCEPTABLE SECTION III CODE CASES TITLE/CONDITION ANNULMENT DATE N-11-5 (1414-5) High Yield Strength Cr-Mo Steel for Section III, Division 1, Class 1 Vessels Each referencing safety analysis report should provide the information required by Note 1 in the Code Case. 8/29/80 N-31-1 Elastomer Diaphragm Valves, Section III, Division 1, Classes 2 and 3 Each applicant who applies the Code Case should indicate in the referencing safety analysis report that the service life of the elastomer diaphragm should not exceed the manufacturer’s recommended service life. This recommended service life should not exceed one-third of the minimum cycle life as established by the requirements of Paragraph 3 of the Code Case. In addition, the service life of the