硅铁是在电炉中，通过冶炼的方式形成的，硅铁的主要原材料是以焦炭、钢屑、石英为主的，而且，硅铁还可以分为硅铁粉、硅铁粒、硅铁球等等，这是根据它不同的物理性状来进行划分的，其中，硅铁粉就是铁与硅的组成形成的铁合金，然后通过磨，把它制成粉末状的物质，用来炼钢、炼铁，作为脱氧剂来使用。
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