This document is Part 16 of T/CNEA102 "Welding of Pressure-Containing Components of Pressurized Water Reactors". This document consists of 8 chapters in total, of which Chapters 1-3 are normative provisions, and Chapters 4-8 are the main contents of Part 16 of Welding of Pressurized Water Reactor Pressure-Containing Components: Low Alloy Steel Welding Rods. The main contents include: model, technical requirements, test methods, inspection rules and packaging, marking and quality certification documents.