... Pb 0.03%max, Zr 0.03%max;5) Si 75-60%, Al 0.2%max, C 0.015%max, Ti ... Cr 0.1%max, Ni 0.4%max;6) Si 75-60%, Al 0.04%max, C 0.015%max, Ti ... Cr 0.1%max, Ni 0.4%max;7) Si 75-60%, Al 0.02%max, C 0.02%max, Ti ... P 0.03%max, Ca 0.1%max;9) Si 75-60%, Al 0.03%max, C 0.015%max, Ti ... Mn 0.01%max, Cr 0.05%max;10) Si 75-60%, Al 0.01%max, C 0.015%max, Ti ... , Mn 0.25%max, Cr 0.1%max, B 0.002%max, Pb 0.003%max, V 0.01%max, Zr ...