... offer, best prices and good quality Different choices: round /rectangular /square pipes Specifications:1) Round pipes-Outside diameter (unit: mm) ... 46,88.9,102,114,133,141,159,2192) Square pipe-Outside diameter (unit: mm)10×10,12×12 ... 48,50×50,60×60,70×70,80×803) Rectangular pipes: Outside dimensions (mm)20×10,23×11,24 ... of deposit. stainless steel pipes,staircase round pipes,rectangular pipes,square pipes