硅钙包芯线是众多包芯线中的一种，是将欲加入钢液或铁液中的各种添加剂，如炼钢脱氧剂，脱硫剂，变质剂，合金添加剂等。破碎成一定的粒度，然后用冷轧低碳钢带将其包括为一条具有任意长度的复合材料。无论是硅钙包芯线，还是其它种类的包芯线，主要用于炼钢，能净化钢夹杂物的形态，提高钢水可铸性，改善钢的使用性能，并显著提高合金的收得率，降低合金消耗，降低炼钢成本，经济效益显著。
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