... PROCESSMATERIALSTANDARDSANDCASTINGGreen SandGrey Iron, 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 SolFORGINGHammer ForgingStainless Steel, Carbon Steel, Alloy Streel, Brass, ...