... pipe fitting/ Pipe FittingsSize: 1/2"-72" Thickness: SCH20, SGP, STD, SCH40, SCH80, SCH160Type: Pipe Elbow, Pipe Flange, Pipe Reducer, Pipe ... B36.10M---1996Material: ASTM A234 WPB, carbon steelThickness: SCH20, SGP, STD, SCH40, SCH80, SCH160Surface treatment: Blacking painting, black varnish, transparent oil ...