Document: NRC Regulatory Guide
Document ID: 44b58049-ac63-457b-a075-ef162b34cb70
Document Type: regulatory_guide
Title: Materials code case Acceptability - - ASME Section III, Division 1 (Rev. 31)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0037/ML003740365.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.85
CFR Part: 
CFR Title: 

Content:
tion, Section III, Division 1, Classes 1, 2, 3, MC, and CS Construction Code Case N-242-1 was acceptable subject to the following condition in addition to those conditions spe cified in the Code Case: Applicants should identify in their Safety Analysis Reports the components and sup ports for which the Code Case is being applied and should specify the respective paragraphs of the Code Case. 9This Code Case was reaffirmed as Case 1819-1. See Regulatory Position 2, Case 1819-1, for the effective dates. 10Case 1819 (N-176) was annulled December 31,1977. However, itwas later reaffirmed to continue providing rules pertaining to external pres sure charts. llCode Case N-176-1: The 3-23-80 is an annulment date. This Casewas allowed to expire on 3-23-80 because of an administrative error. It was reinstated on 8-25-80 with no technical changes. It is, therefore, con sidered to be in effect during that lapse in time. The 8-25-83 is the man datory annulment date. The Case did not appear in Revisions 18-21 of this guide because of the ASME administrative error. N-245 07-09-79 07-16-82 07-17-85 Use of ASTM B61-76 and B62-76 Copper Alloy Castings for Section III, Division 1, Class 3 Construction N-246 07-09-79 Use of SB-169, Alloy CA 614, 09-07-82 Section III, Division 1, Class 3 N-248 08-30-79 Alternative Reference Radio 07-01-80 graphs, Section III, Division 1, Classes 1, 2, 3, MC, and CS Construction 1.85-9 N-259 01-07-80 Ni-Cu-Al Bolting Material SB 02-14-83 164 Modified, Section III, 01-01-84 Division 1, Class 3 N-26512 01-07-80 Modified SA-487 Castings, 09-01-83 Section III, Division 1, Class 1 12-31-84 05-19-85 N-267 01-07-80 Double-Wall Radiography, 07-01-81 Section III, Division 1, Class 1 and 2 N-274 03-17-80 09-07-82 06-30-86 Alternative Rules for Examina tion of Weld Repairs for Section III, Division 1 Construction Code Case N-274 was acceptable subject to the fol lowing condition 13 in addition to those conditions spe cified in the Code Case. Paragraph 6 should be