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Home/Product and services /Ferroalloy Products/Ferrosilicon      Ferrosilicon Grades Chemical Composition(%) Si Al Ca Mn Cr P S C Scope <= FeSi90Al1.5 87.0-95.0 1.5 0.5 0.4 0.2 0.04 0.02 0.2 FeSi90Al3 87.0-95.0 3 0.5 0.4 0.2 0.04 0.02 0.2 FeSi75Al10.5-A 74.0-80.0 0.5 1 0.4 0.3 0.035 0.02 0.1 FeSi75Al10.5-B 72.0-80.0 0.5 1 0.5 0.5 0.04 0.02 0.2 FeSi75Al1.0-A 74.0-80.0 1 1 0.4 0.3 0.035 0.02 0.1 FeSi75Al1.0-B 72.0-80.0 1.5 1 0.5 0.5 0.04 0.02 0.2 FeSi75Al1.5-A 74.0-80.0 1.5 1 0.4 0.3 0.035 0.02 0.1 FeSi75 Al1.5-B 72.0-80.0 1.5 1 0.5 0.5 0.04 0.02 0.2 FeSi75 Al12.0-A 74.0-80.0 2 1 0.4 0.3 0.035 0.02 0.1 FeSi75 Al12.0-B 74.0-80.0 2 1 0.4 0.3 0.04 0.02 0.1 FeSi75 Al12.0-C 72.0-80.0 2 - 0.5 0.5 0.04 0.02 0.2 FeSi75-A 74.0-80.0 - - 0.4 0.3 0.035 0.02 0.1 FeSi75-B 74.0-80.0 - - 0.4 0.3 0.04 0.02 0.1 FeSi75-C 72.0-80.0 - - 0.5 0.5 0.04 0.02 0.2 FeSi65 65.0-<72.0 - - 0.6 0.5 0.04 0.02 　 FeSi45 40.0-47.0 - - 0.7 0.5 0.04 0.02

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