silicon manganese
Cast Iron Nodulizer FeSiMg Ferro Silicon Manganese
In steelmaking, FeSiMn is used as deoxidizer and alloy additive, is the most used iron alloy. The manganese ore used in smelting ferromanganese is generally required to contain 30~40% manganese, th...
DESCRIPTION
In steelmaking, FeSiMn is used as deoxidizer and alloy additive, is the most used iron alloy. The manganese ore used in smelting ferromanganese is generally required to contain 30~40% manganese, the ferromanganese ratio is greater than 7, and the phosphorus-manganese ratio is less than 0.003. Before smelting, manganese carbonate ore needs to be roasted, and powder ore needs to be sintered into blocks.The ore with high iron and phosphorus content can only be used in combination, or the rich manganese slag with low iron and low phosphorus can be obtained by selective reduction smelting. Smelting with coke as reducing agent, some plants also with lean coal or anthracite.
| Brand | Chemical composition | ||||
| Mn | Si | C ≤ | P≤ | S≤ | |
| FeMn64Si27 | 60.0~67.0 | 25.0~28.0 | 0.5 | 0.15 | 0.04 |
| FeMn67Si23 | 63.0~70.0 | 22.0~25.0 | 0.7 | 0.15 | 0.04 |
| FeMn68Si22 | 65.0~72.0 | 20.0~23.0 | 1.2 | 0.15 | 0.04 |
| FeMn64Si23 | 60.0~67.0 | 20.0~25.0 | 1.2 | 0.15 | 0.04 |
| FeMn68Si18 | 65.0~72.0 | 17.0~22.0 | 1.8 | 0.15 | 0.04 |
| FeMn64Si18 | 60.0~67.0 | 17.0~20.0 | 1.8 | 0.15 | 0.04 |
| FeMn68Si16 | 65.0~72.0 | 14.0~17.0 | 2.5 | 0.15 | 0.04 |
| FeMn64Si16 | 60.0~67.0 | 14.0~17.0 | 2.5 | 0.25 | 0.05 |
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