... , ductile iron, steel, stainless stee,l carbon steel, alloyProcess: sand casting ,investment casting ,die casting and so onStandard: GB ,ASTM ,DIN ,JISWeight range: 5g ... , SCMnCR3;ASTM-LCCUNS-J02505, J13048NF-G20M6, G35CrMo4Soluble glass sand mouldingResin-sand mouldingLost wax casting(Investment casting)Electric-furnace smelting Contact:Mr.XuekuiDevelopment managerDalian Shipbuilding ...