>. Used for high trademark silicon steel making, special ferro alloy...
2>. Characteristic: impurity content very tiny
High Purity Ferro Silicon
Chemical analysis:
1>. Si 76-78%, Al 0.1%max, C 0.05%max, Ti 0.05%max, S 0.01%max,P 0.02%max, Ca 0.1%max, Mn 0.1%max, Cr 0.1%max, Ni 0.08%max, V 0.05%max;
2>. Si 74-79%, Al 0.1%max, C 0.04%max, Ti 0.05%max, S 0.015%max,P 0.025%max, Ca 0.06%max, Mn 0.25%max, Cr 0.02%max, Ni 0.02%max, B 0.002%max, Pb 0.03%max, V 0.05%max;
3>. Si 75-60%, Al 0.5%max, C 0.2%max, S 0.02%max,P 0.03%max, Ca 0.07%max;
4>. Si 74-79%, Al 0.1%max, C 0.03%max, Ti 0.01%max, S 0.015%max,P 0.025%max, Ca 0.06%max, Mn 0.25%max, B 0.002%max, Pb 0.03%max, Zr 0.03%max;
5>. Si 75-60%, Al 0.2%max, C 0.015%max, Ti 0.03%max, S 0.01%max,P 0.04%max, Ca 0.05%max, Mn 0.1%max, Cr 0.1%max, Ni 0.4%max;
6>. Si 75-60%, Al 0.04%max, C 0.015%max, Ti 0.03%max, S 0.02%max,P 0.03%max, Ca 0.1%max, Mn 0.1%max, Cr 0.1%max, Ni 0.4%max;
7>. Si 75-60%, Al 0.02%max, C 0.02%max, Ti 0.04%max, S 0.02%max,P 0.03%max, Ca 0.1%max;
8>. Si 75-60%, Al 0.01%max, C 0.02%max, Ti 0.03%max, S 0.004%max,P 0.03%max, Ca 0.1%max;
9>. Si 75-60%, Al 0.03%max, C 0.015%max, Ti 0.02%max, S 0.01%max,P 0.02%max, Ca 0.05%max, Mn 0.01%max, Cr 0.05%max;
10>. Si 75-60%, Al 0.01%max, C 0.015%max, Ti 0.01%max, S 0.003%max,P 0.018%max, Ca 0.02%max, Mn 0.25%max, Cr 0.1%max, B 0.002%max, Pb 0.003%max, V 0.01%max, Zr 0.03%max;
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