Home / Standards / GB/T 38815-2020 GB/T 38815-2020 Active Superalloy powders atomized by plasma rotating electrode process 等离子旋转电极雾化高温合金粉末 Standard Type GBT ICS 77.140.99 CCS H57 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