This document is Part 31 of T/CNEA101 "Materials for Pressure-Containing Components of Pressurized Water Reactors". This document consists of 13 chapters in total, of which Chapters 1-3 are normative provisions, and Chapters 4-13 are the main contents of Pressurized Water Reactor Pressure Component Materials Part 31: Electric Fusion Welding Nominal Pipes at Normal and Low Temperatures. The main contents include: ordering requirements, manufacturing, batch, chemical composition, mechanical properties, radiographic testing, repair, size, quality and allowable deviations, workmanship quality, surface quality and appearance and product marking.
T/CNEA 101.31-2021 history
2021T/CNEA 101.31-2021 PWR pressure boundary components—Material— Part 31:Electric-fusion welded pipe for atmospheric and lower temperatures