... →TestStandardASTM, ANSI, DIN, GB, NF, ISO, BS, JISCasting processwater-glass sand casting, water-glass investment casting ... , carbon steel, low alloy steel, ductile iron, gray cast iron, aluminum alloy InspectionUltrasonic test, magnetic particle test ... , bale, package, barrel, etc.Casting OEM serviceMaterial: iron, gray iron, ductile iron, steel, stainless steel, carbon steel, alloyProcess: sand ...