Home / Standards / GB/T 8732 GB/T 8732 Active Steels of blade for steam turbine 汽轮机叶片用钢 Standard Type GBT ICS 77.140.60 CCS H44 Status 现行 Issue Date 2014-09-30 Implementation 2015-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会