Good-quality Welded Square Pipe Application: residence, gardens, villas, fence or protection. Grade:Q195 Q215 Q235/B Q345 Good-quality Welded Square PipeSpecificationsDia: 30 ... sea trestle, motorcar cassis, airport structure, shipbuilding, automobile axle pipe and so on.5) Packing: square shape bundles wrapped with ... prevent rust7) Plain or beveled ends8) OEM available Good-quality Welded Square Pipe