... analysis:1) Si 76-78%, Al 0.1%max, C 0.05%max, Ti 0.05%max, S 0.01 ... max;2) Si 74-79%, Al 0.1%max, C 0.04%max, Ti 0.05%max, S 0.015%max,P ... Ti 0.03%max, S 0.01%max,P 0.04%max, Ca 0.05%max, Mn 0.1%max, ... 0.4%max;6) Si 75-60%, Al 0.04%max, C 0.015%max, Ti 0.03%max, S 0. ... 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 ...