... rectangle pipes; outside diameter with 8mm to 114mm; standard 6 meter long. specification round pipes, square pipes and rectangle pipes with ... ,28,29,31.8,35,36,38,45,47,48,50.8,60,63,46,88.9,102,114,133,141,159 ... ,30×30,36×36,38×38,40×40,48×48,50×50,60×60,70×70,80×803)Rectangular pipes:Ountside dimensions(mm)20 ... ×13,30×30,36×36,38×38,×40,48×48,50×50,60×60,70×70,80×804)Wall thickness:from 0.3 to ...