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冶炼各种锰质铁合金对锰矿石的技术要求
金类别 | 合金牌号 | 锰质合金主要成分% | 对锰矿石要求% | Mn | Si | P | Mn | Mn/Fe | P/Mn | 不小于 | 不小于 | 不小于 | 低碳锰铁 | Mn0 | 80 | 2.0 | 0.30 | 40 | 3.4 | 0.00325 | 中碳锰铁 | Mn1 | 78 | 2.0 | 0.30 | 40 | 7.7 | 0.00335 | Mn2 | 75 | 2.5 | 0.30 | 40 | 7.0 | 0.00345 | 碳素锰铁 | Mn3 | 78 | 2.5 | 0.33 | 35 | 9.2 | 0.00370 | Mn4 | 75 | 2.5 | 0.38 | 35 | 7.2 | 0.00455 | Mn5 | 70 | 3.0 | 0.45 | 35 | 5.2 | 0.00586 | Mn6 | 65 | 4.0 | 0.45 | 35 | 4.0 | 0.00632 | 高炉锰铁 | Mn7 | 75 | 2.0 | 0.60 | 30 | 7.0 | 0.00580 | Mn8 | 70-75 | 2.0 | 0.60 | 30 | 5.7 | 0.00625 | Mn9 | 65-70 | 2.0 | 0.60 | 30 | 3.7 | 0.00666 | Mn10 | 60-65 | 2.0 | 0.60 | 30 | 3.0 | 0.00725 | Mn11 | 55-60 | 2.5 | 0.70 | 30 | 2.3 | 0.00930 | Mn12 | 50-55 | 2.5 | 0.70 | 30 | 2.0 | 0.01110 | 硅锰合金 | MnSi20 | 65 | 20 | 0.2 | 35 | 8.8 | 0.00244 | MnSi17 | 65 | 17 | 0.2 | 35 | 7.3 | 0.00244 | MnSi14 | 60 | 14 | 0.3 | 35 | 4.6 | 0.00435 | MnSi12 | 50 | 12 | 0.3 | 35 | 3.0 | 0.00520 |
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