T/CNEA 102.4-2021 Pressurized water reactor pressure vessel components welding - Part 4: Product welding

Scope

Scope: This document specifies the requirements for the selection, storage, drying, and use of welding materials, welding preparation (bevel processing, assembly, and preheating), welding methods, welding environment, welding requirements, accessory welding, welding repair, and welding-related heat treatment (post-heat and post-weld heat treatment) during the manufacturing and installation of pressurized water reactor pressure-bearing components (including core support structures and support members). This document applies to the welding of pressurized water reactor pressure-bearing components (including core support structures and support members). Other reactor types can refer to it for use. Main technical content: This document is the fourth part of T/CNEA 102 "Welding of Pressurized Water Reactor Pressure-bearing Components". This document consists of 11 chapters. Among them, Chapters 1-3 are normative provisions, and Chapters 4-11 are the main contents of Part 4: Product Welding of Pressurized Water Reactor Pressure-bearing Components. The main contents include: general requirements, welding materials, welding evaluation, welding preparation, welding, heat treatment, inspection, and product welding certificates.

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