... Steel Welded Pipe Grade:201, 202, 301, 304, 304L, 316, 316L Outer Diameter: 6mm--219mm Thickness: 0.1mm---3.8mm Items: Round Pipe ... , Square Pipe, Rectangular Pipe, Embossed Pipe, Threaded Pipe, Oval Pipe, Special-shaped Pipe, FittingFeature: 1) Round PipeOuter ... 500Grit, 600 Grit, Hairline, 2B.7) PackingEvery tube is sleeved in plastic bag individually, and several tubes ...