... Ductile Iron Grooved Fittings With ASTM A536 standard, Including Coupling, Adaptor, Bend, Reducer, Coupling, Elbow, Tee, Cross, Ductile ... Iron Grooved Fittings With ASTM A536 standard, Including Coupling, Adaptor, Bend, Reducer, Coupling, Elbow, Tee, Cross, Cap, ... Ductile iron in ASTM A536 standardSize: from 1inch to 24inchPainting: Epoxy, Galvanization ,Electroplate and others kinds. Grooved ...