... : 10-50mm, 10-100mm, 10-150mm, etc. Ferro Silicon 75Chemical analysis:1) Si 76-78%, Al 0.1%max, C 0.05 ... Ni 0.08%max, V 0.05%max;2) Si 74-79%, Al 0.1%max, C 0.04%max ... Pb 0.03%max, Zr 0.03%max;5) Si 75-60%, Al 0.2%max, C 0.015%max ... Cr 0.1%max, Ni 0.4%max;6) Si 75-60%, Al 0.04%max, C 0.015%max ... Mn 0.01%max, Cr 0.05%max;10) Si 75-60%, Al 0.01%max, C 0.015%max ... %max, V 0.01%max, Zr 0.03%max Ferro Silicon 75