It was shown that deoxidization capacity of Mg is much better than that of Al and Mg can reduce the content of oxygen in steel to much lower level than Al.

• 在氧气顶吹转炉钢水中加入廉价的低硅铁全部或部分替代硅铁合金进行脱氧合金化，可以节约硅铁合金，降低炼钢成本。