1.Welded Tube/Pipe 2.Thickness:0.7-3.5mm 3.Length:1-6m,or as require 4.Grade:10#-45#,Q195-Q345 5.Standard: BS,GB,ASTM Welding steel pipe Production Round shape Welded Pipe/Tube Specification andWall Thickness 281.0-2.028.61.0-2.0301.0-2.031.81.0-2.0341.0-2.0351.0-2.0381.0-2.0 Standard BS1387,BS EN 10217,GB/T8162,GB/8163,ASTM A106-2006 Grade 10#,20#,45#,Q235,Q195,Q215Length1-6m, or as customers ...