... Welded Pipe for bridge construction S460M 1. Outer Diameter:21.3 - 610 mm 2.Thickness:1.8 - 22 mm 3.Length:1-24m Product nameERW Welded Pipe ... for bridge construction S460M Out Diameter21.3mm-610mm, 1/2”-24 ... Q125, S235GT, S195T, Grade 1, Grade 2, Grade 3, ST33-2, St33, St37, St42, St34-2, St37-2, St42-2, St52-3, P195, P235 ...