Home / Standards / GB/T 40380.2-2021 GB/T 40380.2-2021 Active Metallic powders—Determination of apparent density and flow rate at elevated temperatures—Part 2: Determination of flow rate at elevated temperatures 金属粉末 高温时松装密度和流速的测定 第2部分：高温时流速的测定 Standard Type GBT ICS 77.160 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