... ASTM BS DIN ISO JIS Material:SS,SC,Grey Iron,Dcutile Iron Forged Stainless Steel Flang 1.We are manufacturer and ... with casting parts. Material can be reached cast iron,grey iron,ductile iron,steel,carbon steel,stainless steel,copper,brass,bronze, ... . Vessel parts etc.. 2.Product instruction: • Material:grey iron,ductile iron,steel casting,stainless steel, • Process:sand casting,precision/investment ...