Stainless Steel Welded Pipe Grade:201, 202, 301, 304, 304L, 316, 316L ... : Round Pipe, Square Pipe, Rectangular Pipe, Embossed Pipe, Threaded Pipe, Oval Pipe, Special-shaped Pipe, FittingFeature: 1) Round PipeOuter Diameter: 6mm ... ) ApplicationHandrail, Railing, Staircase, Door, Window, Balcony, Fence, Bench, Furniture, etc. Stainless Steel Slot Groove Oval Tube