... -219mm, Thickness:0.24-3.00mm 3.Use for Construction&Dec stainless steel welded rectangular pipe OD:16-114mmThickness ... Mechanical and Structural, Architectural Decoration, Shipbuilding, Military Use, Chenical, Industry Instruments, Automobile Exhaust Tube, Fencing, Railing, Safe Door/Window, ... 16 17 18 19 20 22 23 25 28 32 38 45 47 51 60 63 76(1e): ... 16 17 18 19 20 22 23 25 28 32 38 45 47 47 51 60 63 76( ...