| 项目 | FeO/% | MnO/% | CaO/% | SiO2/% | MgO/% | Al2O3/% | 定氧/ppm |
| 范围值 | 0.5~0.89 | 0.5~1.1 | 42.6~55.8 | 6.7~15.1 | 7.1~9.8 | 24.3~35.2 | 2.1~6.9 |
| 平均值 | 0.64 | 0.9 | 51.7 | 7.6 | 7.6 | 28.5 | 3.6 |