... 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, Mechanical Tee, Mechanical ... 1inch to 24inchPainting: Epoxy, Galvanization ,Electroplate and others kinds. Grooved pipe fitting