... "-72" Thickness: SCH20, SGP, STD, SCH40, SCH80, SCH160Type: Pipe Elbow, Pipe Flange, Pipe Reducer, Pipe Tee, Pipe Cap.Size: 1/2"-72" Standard: ANSI B16 ... , SGP, STD, SCH40, SCH80, SCH160Surface treatment: Blacking painting, black varnish, transparent oil.Special treatment: 3PE, Hot galvanized. Attached some picture of ...