GB/T 31923.1-2015
高炉炉料用铁矿石 低温还原粉化静态试验 第1部分:与CO、CO2、H2和N2的反应
Iron ores for blast furnace feedstocks.Determination of low-temperature reduction-disintegration indices by static method.Part 1: Reduction with CO, CO2, H2 and N2
GBT31923.1-2015, GB31923.1-2015