Home / Standards / GB/T 38809-2020 GB/T 38809-2020 Active General specification for low alloy ultra-high strength steels 低合金超高强度钢通用技术条件 Standard Type GBT ICS 77.140.20 CCS H40 Status 现行 Issue Date 2020-06-02 Implementation 2021-01-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A