Home / Standards / GB/T 8162-2018 GB/T 8162-2018 Active Seamless steel tubes for structural purposes 结构用无缝钢管 Standard Type GBT ICS 77.140.75 CCS H48 Status 现行 Issue Date 2018-05-14 Implementation 2019-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A