电炉锰铁按锰及杂质含量的不同，分为9个牌号。其化学成分应符合表1规定。
表1 电炉锰铁牌号及化学成分
| 类别 | 牌号 | 化学成分 | ||||||
| Mn | C | Si | P | S | ||||
| I | II | I | II | |||||
| 《 | ||||||||
| 低碳 锰铁 | FeMn88C0.2 | 85.0~92.0 | 0.2 | 1.0 | 2.0 | 0.10 | 0.30 | 0.02 |
| FeMn84C0.4 | 80.0~87.0 | 0.4 | 1.0 | 2.0 | 0.15 | 0.30 | 0.02 | |
| FeMn84C0.7 | 80.0~87.0 | 0.7 | 1.0 | 2.0 | 0.20 | 0.30 | 0.02 | |
| FeMn82C1.0 | 78.0~85.0 | 1.0 | 1.5 | 2.5 | 0.20 | 0.35 | 0.03 | |
| FeMn82C1.5 | 78.0~85.0 | 1.5 | 1.5 | 2.5 | 0.20 | 0.35 | 0.03 | |
| FeMn78C2.0 | 75.0~82.0 | 2.0 | 1.5 | 2.5 | 0.20 | 0.40 | 0.03 | |
| FeMn78C8.0 | 70.0~82.0 | 8.0 | 1.5 | 2.5 | 0.20 | 0.33 | 0.03 | |
| FeMn75C7.5 | 70.0~77.0 | 7.5 | 2.0 | 3.0 | 0.25 | 0.38 | 0.03 | |
| FeMn68C7.0 | 65.0~72.0 | 7.0 | 2.5 | 4.5 | 0.25 | 0.40 | 0.03 |