Seamless Steel Pipe Standard: ASTM A106, ASTM A53 Seamless Steel Pipe(1) ASTM A 106, ASTM A 53, ASTM A179, ... to 508.0mm(4)Thickness: SCH 5, SCH 10, SCH 20, SCH 40, SCH 80, SCH 160, SCH XXS5)(5)Other ... specifications available according to customers' requirements(6) Packing:International standard packing(seamless pipe,steel tube ,steel pipe ) Seamless Steel Pipe ...