Document: NUREG-0800
Document ID: 6cdd237d-c5b3-4a09-8753-54cfe1fea503
Document Type: srp
Title: REACTOR VESSEL MATERIALS
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0631/ML063190007.pdf
Revision Date: 2023-06
Chapter: 5
Section ID: 5.3.1
CFR Part: 
CFR Title: 

Content:
imposed on delta ferrite in austenitic stainless steel welds are in conformance with the recommendations of RG 1.31, as supplemented (for BWRs only) by the positions of GL 88-01 or the recommendations of NUREG-0313, Revision 2, because the controls used provide reasonable assurance that the welds will not contain micro cracks. These controls also satisfy the quality standards requirements of GDC 1, GDC 30, and 10 CFR 50.55a and the requirements of GDC 14 regarding fabrication to prevent rapid propagating failure of the RCPB. B. The controls imposed on electroslag welding of austenitic stainless steels are in conformance with the recommendations of RG 1.34, for the same reason as stated in Item 5b discussed above. 7. The controls (during, all stages of welding) employed that avoid contamination and sensitization that could cause stress-corrosion cracking in austenitic stainless steels conform with the recommendations of regulatory guides and other regulatory positions as follows: A. The controls employed that avoid contamination and sensitization of austenitic stainless steel are in conformance with the recommendations of RG 1.44, or an acceptable alternative, as supplemented (for BWRs only) by the positions of GL 88-01 or the recommendations of NUREG-0313, Revision 2, because the controls used provide assurance that welded components will not be contaminated nor sensitized prior to and during the welding process. These controls satisfy the quality standards requirements of GDC 1, GDC 30, and 10 CFR 50.55a and the GDC 4 requirement relative to material compatibility. Revision 2 - March 2007 5.3.1-19 B. The controls regarding onsite cleaning and cleanliness control of austenitic stainless steel are in conformance with the recommendations of RG 1.37 because the controls used provide assurance that austenitic stainless steel components will be properly cleaned onsite. The controls satisfy Appendix B of 10 CFR Part 50 regarding controls for onsite cleaning of materials