Home / Standards / GB/T 37636-2019 GB/T 37636-2019 Active Welded steel pipes for offshore engineering pile 海洋工程桩用焊接钢管 Standard Type GBT ICS 77.140.75 CCS H48 Status 现行 Issue Date 2019-06-04 Implementation 2020-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A