Home / Standards / GB/T 38713-2020 GB/T 38713-2020 Active Medium manganese steel plate for offshore platform structure 海洋平台结构用中锰钢钢板 Standard Type GBT ICS 77.140.50 CCS H46 Status 现行 Issue Date 2020-03-31 Implementation 2020-10-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A