Home / Standards / GB/T 8650 GB/T 8650 Active Evaluation of pipeline and pressure vessel steels for resistance to hydrogen-induced cracking 管线钢和压力容器钢抗氢致开裂评定方法 Standard Type GBT ICS 77.060 CCS H25 Status 现行 Issue Date 2015-12-10 Implementation 2016-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会