Home / Standards / GB/T 37620-2019 GB/T 37620-2019 Active Corrosion-resisting alloy forging 耐蚀合金锻材 Standard Type GBT ICS 77.140.99 CCS H59 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