... Fittings & ductile iron pipe fitting 2))Pipe Coupling, Elbow, Tee, Cross, Cap, 3)1)Pipe FittingMaterail: ASTM A536 Ductile Iron Pipe Fittings ... With ASTM A536 standard, Including Coupling, Adaptor, Bend, Reducer, Coupling, Elbow, Tee, Cross ... price with Certificate: SGS ISO9001:2000 .Material: Ductile iron in ASTM A536 standard Size: from 1inch to ...