... 15.9mm, 17mm, 18mm, 19.1mm, 20mm, 21mm, 2)Rustless. 3)Round welded tubes, tube, pipes, Features:1) Sizes: 9.5mm, 12 ... 6mm,114.3m, 127mm, 133mm, 159mm, 168mm, 219mm2) Thickness: 0.3 - 5.0mm3) Length: 6m4) Tolerance: a) Outer diameter:+-0. ... michanical properties.11)Stainless steel welded tubes, tube, pipes, pipe, round, circularInner packing: Plastic bagOuter packing:Carton, wooden crates, or according ...