... external, and cylindrical surfaces as well as other rotary surfaces. They can be used for turning different ... 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 ...