What is Ferrosilicon Powder?
Ferrosilicon powder is a finely milled alloy of iron and silicon, typically containing 15%–90% silicon by weight. In industry, common grades include FeSi 45, FeSi 65, FeSi 75, and specialized low‑aluminum or low‑carbon variants. Thanks to its strong deoxidizing power, silicon activity, and controllable particle size distribution, ferrosilicon powder is widely used in steelmaking, foundry processes, magnesium production, welding consumables, cored wire, mineral processing, metallurgy fluxes, and even in certain chemical and battery precursor routes.
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