Carbon Steel Seamless Pipe , SAW,ERW, SEAM seamless steelpipeApplication: Be widely used for heat exchange, structure,machinery, liquid transportation.Material quality: ASTM A106 / A53, DIN, EN, GB/T8162 /8163, etcOutside Diameter: 13.7mm-711.2mm 1/4 "-28 "Wall Thickness: 2mm-50mmLength: Random 6m-12m or fixed 6mBevel pipe ends and black anti-rusting paint is availableif you need.Packing: In bundles.