All Categories > Carbon Steel > Pipe and Tubing > Seamless and Welded Pipe > Item # SWPEH-350-4000-318 All CategoriesAll Categories Carbon SteelCarbon Steel Pipe and TubingPipe and Tubing Seamless and Welded PipeSeamless and Welded Pipe Item # SWPEH-350-4000-318 Item # SWPEH-350-4000-318, Seamless and Welded Pipe SWPEH-350-4000-318Seamless and Welded Pipe Request Information Email This Page Download PDF Download PDF Printable Page DOWNLOADS Terminology Sheet Terminology Close Window Unit of Measure Imperial Metric Both Specifications Material N/A Steel Shapeform N/A Pipe Standard N/A Schedule E.H. Pipe Size N/A 3 1/2 inches Pipe Size N/A 3.5 inches88.9 mm O.D. N/A 4 inches101.6 mm Thickness N/A 0.318 inches12.51 mm