ERW Carbon Steel Pipe Thickness:1-25mm O.D:6-473mm Application:Fluid Pipe Certification:ISO CommodityERW Carbon Steel PipeOuter diameter6-473mmWall thickness1-25mmLength0.2-12mStandardGB/T 3091-2001, ASTM-53A, BS1387-85Application rangeWidely used as the pipeline of fumiture, structure, fence, industrial and civilian water, air, petroleum, natural gas, communication and so onInspectionWith ...