Item: Bright ERW Low Carbon Steel Tube (Pipe) Base Material: Cold rolled low carbon steel strip as JIS G3141, SPCC-SD, DC01, 08YU, ST12 Range of Product: Round Tube / Square Tube / Rectangular Tube / Oval / Flat Oval Tube Wall Thickness: 0.4mm~~2.0mm Outer Diameter: 8.0mm~~76.0mm Surface Finish: Bright, suitable for Plating or baking varnish etc. Application: Mainly used to produce Bicycle, Motorcycle, Metal Frame furniture or racking and its spare part etc.