ERW Welded Pipe for bridge construction S460M 1. Outer Diameter:21.3 - 610 mm 2. ... mm 3.Length:1-24m Product nameERW Welded Pipe for bridge construction S460M Out Diameter21.3mm-610mm, 1/2”-24”Wall ... , KS3583, GB/T9711.1/2,etc.EndPlain end, beveled, cut square, grooved, threaded and coupling, etc.SurfaceBare, varnished, black lacquer, Bitumen ...