... . the Casting foundries produce:1.cast Iron (ASTM-A48; Class 25~45-gray iron casting; ASTM-ductile iron castings)2. cast Steel (carbon ... on. PROCESSMATERIALSTANDARDSANDCASTINGGreen SandGrey Iron, Ductile Iron, Malleable Iron, Stanless Steel, Carbon, Steel, Aluminium,Brass,BronzeASTMBSJISDINetcFuran Resin SandCold Harden Resin SandINVESTMENTCASTINGSodium Silicone (Water galss)Stainless ...