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FeSi(ferroalloy, FeSi75)
1. Si>75%, C<0.2%, Al<2.0%, P<0.05%, S<0.02%, 10-50mm>90%
2. Si 7479%, C<0.04%, Al<0.1%, Ti<0.01%, Mn<0.25%, P<0.025%, S<0.015%, B<0.002%, Ca<0.06%, Zr<0.03%, Pb<0.003%, 10-50mm>90%
3. Si 7479%, C<0.04%, Al<0.1%, Ti<0.05%, Mn<0.25%, P<0.025%, S<0.015%, B<0.002%,Ca<0.06%, Zr<0.03%, Pb<0.003%, 10-50mm>95%
FeSi(ferroalloy, FeSi75)