Home / Standards / GB/T 40320-2021 GB/T 40320-2021 Active Measuring method for mechanical melting temperature of aluminum alloy 铝合金力学熔点测试方法 Standard Type GBT ICS 77.040.10 CCS H21 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A