Document: NUREG-0800
Document ID: 2c1e60ee-a3b4-4f26-8ebd-56dc7a8435b6
Document Type: srp
Title: THREADED FASTENERS ! ASME CODE CLASS 1, 2, AND
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0705/ML070550058.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.13
CFR Part: 
CFR Title: 

Content:
ould verify that the applicant has specified the appropriate ASME Code, Section III examination criteria for threaded fasteners used in ASME Code Class 1, 2, and 3 systems. Table 3.13-1 identifies the appropriate inspection criteria for bolts, studs and nuts. Under Section III paragraph NB-2580, the following fabrication inspections should be performed: (1) visual examinations of the threads, shanks, and heads in all bolts, nuts, and studs used in ASME Code Class 1 applications, (2) surface examinations (i.e., either liquid penetration examinations or, if the materials of fabrication are ferritic, magnetic particle examinations) of all Class 1 bolts, studs, and nuts that are larger than 1 inch in diameter, and (3) ultrasonic (UT) examinations for Class 1 bolts, studs, and nuts are larger than 2 inches in diameter and more comprehensive UT criteria if the bolts, studs, and nuts are larger than 4 inches in diameter. E. Quality Records The reviewer should ensure that the applicant commits to retaining the CMTRs in accordance with the requirements of 10 CFR 50.70. The reviewer should also confirm that the applicant commits to recording the results of its material chemistry tests (i.e., alloying elements) and physical property tests in applicable CMTRs, as provided in ASME Code, Section III. 2. Preservice and Inservice Inspection Requirements The reviewer should ensure the applicant commits to complying with the preservice and inservice inspection requirements of 10 CFR 50.55a and the criteria of ASME Code, Section XI for threaded fasteners and mechanical joints used in ASME Code, Class 1, 2, and 3 systems. The reviewer should verify that applicants for COLs commit to complying with the requirements of ASME Code, Section XI, IWA-5000 and the requirements of 10 CFR 50.55a(b)(2)(xxvi) Pressure Testing Class 1, 2, and 3 Mechanical Joints and Paragraph (xxvii) Removal of Insulation. 3. For review of a DC application, the reviewer should follow the above procedures to verify