... , Ductile Iron, Malleable Iron, Stanless Steel, Carbon, Steel, Aluminium,Brass,BronzeASTMBSJISDINetcFuran Resin SandCold Harden Resin ... SandINVESTMENTCASTINGSodium Silicone (Water galss)Stainless Steel, Carbon Steel, Special Alloy Steel Bronze,Brass, AluminumSilica ... Material grades: most carbon, alloy steel gradesForms: forged round, squares, flat bars; hollows, rings, discsdiameter: 80--580mm ...