NB/T 20005.12-2017 压水堆核电厂用碳钢和低合金钢 第12部分：主蒸汽系统、主给水流量控制系统、辅助给水系统和汽轮机旁路系统用无缝钢管

NB/T 20005.12-2017 Pressurized water nuclear power plant - Carbon steel and low alloy steel for steam systems, main feedwater flow control systems, auxiliary feedwater systems, and steam-turbine bypass systems - Seamless steel pipes and tubing for pressure vessel components used in the main steam system, main feedwater flow control systems, auxiliary feedwater systems, and steam-turbine bypass system of a pressurized water nuclear power plant - Part 12: Seamless steel pipes and tubes for the turbine bypass system. (Note: The text in parentheses is provided for reference only.)