... 23,28,29,31.8,35,36,38,45,47,48,50.8,60,63,46,88.9,102,114,133 ... ,141,159,2192)Square pipe-Outside diameter(unit:mm)10×10,12×12,15×15 ... 28×28,30×30,36×36,38×38,40×40,48×48,50×50,60×60,70×70,80×803)Rectangular pipes ... 12,25×13,30×30,36×36,38×38,×40,48×48,50×50,60×60,70×70,80×804)Wall thickness ... 0mm8)Oter size can be manufactured according to requirements round pipe stanless steel material