Home / Standards / GB/T 39077-2024 GB/T 39077-2024 Active Test methods for detecting detrimental phase in austenitic-ferritic (duplex) stainless steels 奥氏体-铁素体(双相)不锈钢中有害相的检测方法 Standard Type GBT ICS 75.180.01 CCS H 40 Status 现行 Issue Date 2024-07-24 Implementation 2025-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A