Ferro Silicon FeSi Deoxidizer Ferrosilicon is a ferro alloy product made of coke, steel scraps, and quartz (or silica) smelted in an electric furnace.Ferrosilicon is mostly used as deoxidizer in steel making or casting, and it can also be used as alloying element additives, widely used in low-alloy structural steel, spring steel, bearing steel ...
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