... waiting for your reply to work together.PROCESSMATERIALSANDResin SandGrey Iron, Ductile Iron, Malleable Iron, Stainless Steel, Carbon, Steel, Aluminum ,Brass ... foundries produce:1.cast Iron (ASTM-A48; Class 25~45-gray iron casting; ASTM-ductile iron castings)2. cast Steel (carbon castings ... cast Aluminum (ASTM A 356T6; 380)B. the Forging foundries produce: forgings and stampings (all kinds of materials) ...