... Al 0.1%max, C 0.03%max, Ti 0.01%max, S 0.015%max,P 0.025%max, Ca ... C 0.015%max, Ti 0.03%max, S 0.01%max,P 0.04%max, Ca 0.05%max, Mn ... Ca 0.1%max;8) Si 75-60%, Al 0.01%max, C 0.02%max, Ti 0.03%max, S ... 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 ... 1%max, B 0.002%max, Pb 0.003%max, V 0.01%max, Zr 0.03%max Ferro Silicon 75