Stainless Steel Welded Pipe Grade:201, 202, 301, 304, 304L, 316, 316L Outer Diameter: 6mm--219mm Thickness: 0. ... , 25X25mm, 25.4X25.4mm, 28X28mm, 30X30mm, 32X32mm, 35X35mm, 36X36mm, 38X38mm, 38.1X38.1mm, 40X40mm, 50X50mm, 50.8X50.8mm, 60X60mm, 70X70mm, 80X80mm ... , Staircase, Door, Window, Balcony, Fence, Bench, Furniture, etc. 201, 202, 301, 304, 304L, 316, 316L Stainless Steel Welded Pipe