steel scaffolding pipe for construction 1.O.D.:20 - 720 mm 2.Thickness:1.3- ... )StandardBS,GB,ASTM, ASME, DINUsageUsed For Gas, Oil, Water Pipes, Structure, MechanicalEndsPlain Or Threaded With Socket Or Beveled With Plastic CapsSurfaceGalvanized ... Low Price.Wish You Contact Us. steel scaffolding pipe for construction