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 ... comeptitive price with FM and UL approved.Material: Ductile iron in ASTM A536 standardSize: from 1inch to 24inchPainting: Epoxy, Galvanization ...