... Si 74-79%, Al 0.1%max, C 0.04%max, Ti 0.05%max, S 0.015%max,P 0.025 ... -79%, Al 0.1%max, C 0.03%max, Ti 0.01%max, S 0.015%max,P 0.025 ... %max, C 0.015%max, Ti 0.03%max, S 0.01%max,P 0.04%max, Ca 0.05%max, ... max;6) Si 75-60%, Al 0.04%max, C 0.015%max, Ti 0.03%max, S 0.02%max,P ... 60%, Al 0.02%max, C 0.02%max, Ti 0.04%max, S 0.02%max,P 0.03%max, Ca ... -60%, Al 0.01%max, C 0.015%max, Ti 0.01%max, S 0.003%max,P 0.018 ...