A.Si 75%min,Al 0.1%max,C 0.2%max,S 0.02%max,P 0.04%max B.Si 75%min,Al 0.3%max,C 0.2%max,S 0.02%max,P 0.04%max C.Si 75%min,Al 0.5%max,C 0.2%max,S 0.02%max,P 0.04%max D.Si 75%min,Al 0.8%max,C 0.2%max,S 0.02%max,P 0.04%max E.Si 75%min,Al 1.0%max,C 0.2%max,S 0.02%max,P 0.04%max F.Si 75%min,Al 2.0%max,C 0.2%max,S 0.02%max,P 0.04%max G.Si 72%min,Al 0.1%max,C 0.2%max,S 0.02%max,P 0.04%max H.Si 72%min,Al 0.3%max,C 0.2%max,S 0.02%max,P 0.04%max I.Si 72%min,Al 0.5%max,C 0.2%max,S 0.02%max,P 0.04%max J.Si 72%min,Al 1.0%max,C 0.2%max,S 0.02%max,P 0.04%max K.Si 72%min,Al 1.5%max,C 0.2%max,S 0.02%max,P 0.04%max L.Si 72%min,Al 2.0%max,C 0.2%max,S 0.02%max,P 0.04%max General sizes:10-50mm,10-100mm,50-100mm 90%min Special sizes are available upon enquires.