... Butterfly valve body and disc CastingsCast iron and cast steel,aluminium and bronze castingMaterial:Cast steel,ductile iron,grey iron,aluminium and bronze alloyMethod:Sand ... TS16949We can supply all kinds of steel castings, ductile iron and grey iron castings, aluminium and bronze castings with machining such as ... 45,50;ASTM A126-Class A, Class B, Class C;DIN-GG10,GG15,GG20,GG25,GG30,GG35;JIS-FC10,FC15 ...