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Square tube
Time 2014-7-15 See 1211
 
Square tube is a hollow square cross-section lightweight thin-walled steel pipe, also known as cold-formed profiles. It is through hot and cold rolled strip or coil bending and then welded together through a square cross-section shape and size of the beam. Hot-rolled special thick-walled square pipe wall thickness in addition to thickening of the outer case, the corner sizing and edge flatness have reached the level of resistance welding cold formed square tube. Mechanical properties, weldability, cold, hot workability and corrosion resistance can be better, with good low-temperature toughness. 
Square pipe mainly used in construction, machinery manufacturing, steel construction and other projects, shipbuilding, solar stent, steel structures, power plants, agricultural and chemical machinery, automobile chassis, airports, boiler construction, highway railings, building construction, pressure vessels, bridges, power plant equipment, material handling equipment and other welded structures such as high loads.

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