Home / Standards / GB/T 45167-2024 GB/T 45167-2024 Active Steels, nickel alloys and cobalt alloys investment castings—Visual testing of surface quality 熔模铸钢件、镍合金铸件和钴合金铸件 表面质量目视检测方法 Standard Type GBT ICS 77.140.80 CCS J31 Status 现行 Issue Date 2024-12-31 Implementation 2025-07-01 Responsible Dept 国家标准委 Drafting Unit N/A