压水堆核电厂用不锈钢 第15部分:堆内构件螺栓用变形硬化的热轧或热锻奥氏体不锈钢棒
Stainless steel for pressurized water reactor nuclear power plants-Part 15:Strain hardened hot worked rolled or forged bars made from austenitic stainless steel used for the fabrication of bolting material for reactor internals