T/CNEA 102.1-2021 Pressurized water reactor pressure vessel components Welding Part 1: General requirements for welding operations

Scope

Scope: This document specifies the general requirements for welding of pressurized components (including core support structures and support parts) in pressurized water reactors, including general principles, personnel, equipment and environment, general requirements for heat treatment, welding process evaluation, preservation of surplus materials and samples of welding witness documents for products, marking and traceability, etc. This document is applicable to welding and/or overlay welding of carbon steel, low-alloy steel, austenitic stainless steel, nickel-based alloys, etc. in the manufacturing process of pressurized water reactor pressurized components (including core support structures and support parts). Other reactor types may refer to this document for use; Main technical content: This document is the first part of T/CNEA 102 "Welding of Pressurized Water Reactor Pressurized Components". This document consists of 9 chapters, of which Chapters 1-3 are normative provisions, and Chapters 4-9 are the main content of the first part of welding of pressurized water reactor pressurized components: general requirements for welding. The main content includes: general principles, personnel, equipment and environment, general requirements for heat treatment, welding process evaluation, preservation of surplus materials and samples of welding witness documents for products, marking and traceability.

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