For ball bearing steel ZGCr15 the best refining effect can be obtained when the consumable electrode is remelted and deoxidized with Si Fe, Si Ca under acidic slag. The inclusions in the steel are of ductile silicate.

• 对于滚珠轴承钢ZGCr15，当自耗电极用钢采用Si－Fe、Si－Ca脱氧并用酸性渣重熔可以获得最佳精炼效果，使钢中夹杂物转变为硅酸盐类塑性夹杂物。