... steel. Anyway we can do any metal or alloy parts,such as stainless steel,grey iron,ductile iron,melleable iron ... Process: green sand casting,resin bonded casting, , compression casting, investment casting(lost wax casting), die casting, pressing & forging etc. ... , ASTM, BS, JIS etc.processsand casting,resin bonded casting, investment casting(lost wax casting), die casting, pressing & forging.Weight ...