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
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