Home / Standards / GB/T 24593-2018 GB/T 24593-2018 Active Welded austenitic stainless steel tubes for boiler and heat exchanger 锅炉和热交换器用奥氏体不锈钢焊接钢管 Standard Type GBT ICS 77.140.75 CCS H48 Status 现行 Issue Date 2018-06-07 Implementation 2019-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A