... square and rectangle pipes; outside diameter with 8mm to 114mm; standard 6 meter long. specification round pipes, square pipes and ... 46,88.9,102,114,133,141,159,2192)Square pipe-Outside diameter(unit:mm)10×10,12×12,15× ... 50,60×60,70×70,80×803)Rectangular pipes:Ountside dimensions(mm)20×10,23×11,24×12,25×13,30 ... )Oter size can be manufactured according to requirements round pipe stanless steel material