Home / Standards / GB/T 18984-2016 GB/T 18984-2016 Active Seamless steel tubes for low-temperature-service piping 低温管道用无缝钢管 Standard Type GBT ICS 77.140.75 CCS H48 Status 现行 Issue Date 2016-12-30 Implementation 2017-09-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A