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复合脱氧剂铝锰铁用于顶吹氧气转炉冶炼预脱氧，可提高合金回收率，降低成本，提高钢质量，扩大生产品种，是理想的新型复合脱氧材料。
The composite deoxidizer, ferromanganese, is used in the smelting pre-deoxygenation in the top-blown oxygen converter, which can improve the alloy recovery rate, reduce the cost, improve the steel quality and expand the production variety. It is an ideal new composite deoxidation material.