Home / Standards / GB/T 13793-2016 GB/T 13793-2016 Active Steel pipes with a longitudinal electric(resistance)weld 直缝电焊钢管 Standard Type GBT ICS 77.140.75 CCS H48 Status 现行 Issue Date 2016-08-29 Implementation 2017-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会