ASTM A53/106 Gr. B O. D: 1/8"-40",10.3-1016mm W. T: SCH10- SCHXXS 50000Tons in stock ASTM A53/106, Gr. B, API 5L/B Seamless Steel Pipe 1) Specication O. D: 1/8"-40",10.3-1016mm W. T: SCH10- SCHXXS. 2) ...