Aug 13, 2021 · Ferro silicon lumps isposed of silicon, calcium, iron, manganese, aluminum, phosphorus, sulfur, carbon, its content: Si65 -- 80%, Al≤2, P ≤0.04, S ≤ 0.02c, FeSi65, FeSi70, FeSi72, FeSi75 to the production of rebar steel as an example, the traditional process is to first put 1/3 silicon aluminum barium iron into the ladle, steel 1/3 add ferromanganese first, then add …
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