SSAW Steel Pipe, Spiral Submerged Arc Pipe, SAWL Steel Pipe, Spiral
API 5CT/ ISO 11960 PSL1 Steel pipe for use as casing or tubing for wells of petroleum and natural gas industries Steel Pipe for Fluid Service: ASTM A53: Black and hot-hipped galvanized welded and seamless steel pipe: BS EN10217-2: Welded steel tybes for pressure purposes - delivery technical conditions - part2: Electric welded non- alloy and ...