... ,XS,XXS 3.Material:SS,CS,Alloy 4.Standard:ASME,BS,GOST,eg 5.API,ISO,CE, SAW Steel Tube 1.Brand name ... control,customer service and world wide business. Strong ability to help customers in business solution and solving problems for them.Main products:Item ... 3mm- 15mmAs requiredWelded steel pipeOD:14mm-700mm 0.5mm-20mmRectangularsteel pipe20mm*10mm-400mm*300mm 0.4mm-20.6mmSquare steel pipe10mm*10mm-600mm ...