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