... & 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, Cap, Mechanical Tee, Mechanical Cross cap...etc Pipe ...