Home / Standards / GB/T 30065-2013 GB/T 30065-2013 Active Welded ferritic stainless steel tubes for feedwater heater 给水加热器用铁素体不锈钢焊接钢管 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