Document: NRC Regulatory Guide
Document ID: 2704425a-c58a-45c4-93ab-8761721c3e7a
Document Type: regulatory_guide
Title: Evaluation of Reactor Pressure Vessels with Charpy Upper-Shelf Energy Less Than 50 Ft-Lb
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0037/ML003740038.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.161
CFR Part: 
CFR Title: 

Content:
tribution and Services Section, U.S. Nuclear Regulatory Commission, Washington, DC 206565-0001; or by fax at (301)415-2260. Issued guides may also be purchased from the National Technical Infor matlon Service on a standing order basis. Details on this service may be obtained by writing NTIS, 5285 Port Royal Road, Springfield, VA 22161. CONTENTS * A. INTRODUCTION .............................................................................. 1 B. DISCU SSION .................................................................................. I NOMENCLATURE .............................................................................. 2 C. REGULATORY POSITION ....................................................................... 3 1. ACCEPTANCE CRITERIA ................................................................ 3 1.1 Levcl A mnd B Conditions ........................................................... 3 1.2 Leve C Condition ................................................................. 3 1.3 Level D Condition ................................................................. 4 2. ANALYSIS M ETHODS ................................................................... 4 2.1 Level A mnd B Conditions ........................................................... 4 2.2 Level C Condition ................................................................. 7 2.3 Level D Condition ................................................................. 8 3. MATERIAL PROPERTIES ................................................................ 8 3.1 Welds Made Using Linde 80 Flux .................................................... 9 3.2 Generic Reactor Pressure Vessel Welds ............................................... 9 3.3 Reactor Pressure Vessel Base (Plate) Materials ......................................... 9 4. TRANSIENT SELECTION ............................................................... I I 4.1 Plant-Specific Transients