Home / Standards / GB/T 20933-2021 GB/T 20933-2021 Active Hot rolled sheet pile 热轧钢板桩 Standard Type GBT ICS 77.140.70 CCS H44 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A