... Material Q235(B),Q345(B),#ETC Standard BS1387,EN10255,EN102 Scaffold TubeItemDetailsOuter Diameter21.3mm-----630mmWall Thickness1.5mm----14mmLength5m-----18 mUsageLine Pipe ... ,Fluid Pipe,Water Delievery,Heating Pipe,Power Pipe,Structure Pipe,Scaffold,Piling PipeManufacture ProcessesRaw material Test→Uncoiling→Strip leveling →End Cutting ...