NB/T 20007.24-2013
压水堆核电厂用不锈钢.第24部分:反应堆冷却剂泵蜗壳用奥氏体-铁素体不锈钢承压铸件
Stainless steel for pressurized water reactor nuclear power plants.Part 24: austenitic-ferritic stainless steel castings pressured for reactor coolant pump casing
NBT20007.24-2013, NB20007.24-2013