废钢料型(比例) | 范围值,ppm | 均值,ppm |
钢筋打包块(100%) | 23.1~29.3 | 26.2 |
工业打包块(100%) | 39.2~109.2 | 53.1 |
自产废钢(100%) | 20.1~28.4 | 24.2 |
钢筋打包块(50%) + 工业打包块(50%) | 30.1~91.4 | 42.3 |