Home / Standards / GB/T 30073-2013 GB/T 30073-2013 Active Seamless austenitic stainless steel tubes for heat exchangers in nuclear power plant 核电站热交换器用奥氏体不锈钢无缝钢管 Standard Type GBT ICS 77.140.75 CCS H48 Status 现行 Issue Date 2013-12-17 Implementation 2014-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A