Carbon Steel Square Rectangle Tubing factory carbon steel square tube manufacturer , High quality lowest price square tubes supplier ,carbon steel square tube of material square pipe is generally carbon steel square pipe and low alloy square pipe.General carbon steel is divided into: ASTM A500 A53G A53b Q195, Q215, Q235, SS400, 20# steel, 45# steel, etc.Low alloy steels are divided into Q345, 16Mn, Q390, ST52-3, etc. Square tube that it is a kind of form of tube type, a lot of kinds of material of material can make the tube body, curly, form circular tube welding, gain by circular tube rolling into square tube and then cut into required length.Generally, there are 50 square pipes per package in the spot with size of 10*10*0.8-1.5~~800*800*10-25. Square pipes are divided into structural square pipes,Carbon Steel Square Tube decorative square pipes, construction square pipes, mechanical square pipes and so on according to their uses Specification: Common SizeOD10*10-600*600mm Wall Thickness0.6-50mm Length5.8-12m or as request Steel materialQ195, Q215, Q235, Fe310, Fe360, St33, St37-2, SS330, SS400, S235, S275, S355, ASTM 1010, ASTM 1017, ASTM 1020 StandardAPI,ASTM, ASME, DIN,GB,JIS,ASNI,BS UsageTransport routes for gas, oil, chemical materials, water,steam and other gas or liquid EndsPlained or Beveled or other requirements SurfaceBared, Black Painted, Galvanized, Oiled or to your requirements Third Party InspectionSGS,BV,CE,ISO Production Display: Warehouse :Carbon Steel Square Rectangle Tubing factory website:http://www.shstainless.com/hollow-section-tube/carbon-steel-square-rectangle-tubing/