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:
Code Case does not apply to piping in which stress corrosion-cracking has occurred unless a case-specific evaluation is made and is reviewed by the NRC staff. 5/5/00 N-430 Alternative Requirements for Welding Workmanship and Visual Acceptance Criteria for Class 1, 2, 3 and MC Linear-Type and Standard Supports, Section III, Division 1 (1) The applicant should demonstrate that the applicable supports are not subject to cyclic loading in excess of 20,000 cycles. (2) The first sentence of 3.0(f)(1) should be replaced with the following: “For material 3/8 in. and less nominal thickness, undercut depth of 1/32 in. on one side of the member for the full length of the weld, or 1/32 in. on one 7/1/93 DG-1405, Page 35 CODE CASE NUMBER TABLE 4 ANNULLED CONDITIONALLY ACCEPTABLE SECTION III CODE CASES TITLE/CONDITION ANNULMENT DATE side for one-half the length of the weld, and 1/16 in. for one-fourth of the length of the weld on the face of a rectangular tube or one-fourth the length of the weld on the same side of the member is acceptable.” N-595-4 Requirements for Spent Fuel Storage Canisters, Section III, Division 1 The canisters must be made from austenitic stainless steel Type 304 or 316. 10/14/11 N-656 Rules for the Construction of Inner Transportation Containments, Section III, Division 3 The inner transportation containment must contain only solid and dry material. 5/11/10 N-755-4 Use of Polyethylene (PE) Class 3 Plastic Pipe, Section III, Division 1 (1) When performing fusing procedure qualification testing in accordance with paragraphs -2420 and -4330 of this Code Case, the following essential variables must be used for butt fusion joints: (a) Joint Type: A change in the type of joint from that qualified, except that a square butt joint qualifies as a mitered joint. (b) Pipe Surface Alignment: A change in the pipe outside diameter (O.D.) surface misalignment of more than 10 percent of the wall thickness of the thinner member to be fused. (c) PE Material: Each lot