... pipe Outside diameter: 21.3 to 610mm (1/2-24 inch) ch) Standard: API 5L,API 5CT, ASTM A53, ASTM longitudinal ... Pipe Outside diameter: 21.3 to 610mm (1/2-24 inch) ERW Steel Pipe Standard: API 5L, API 5CT, ASTM A53 ... Pipe Thic Thickne Thickness: SCH 20 to SCH 140mm (2-14 inch) ERW SteRW Steel Pipe Paipe Packing: Labeled Labeled Labeled aabeled ...