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Rectangular Tube High performance,High quality,
Rectangular tube is a kind of hollow square section light thin-walled steel tube, also known as steel cold-formed profiles. It is made of Q235 hot-rolled or cold-rolled strip or coil as the base metal, which is shaped by cold bending and then welded by high frequency. The corner size and edge straightness of hot rolled square tube with extra thick wall reach or even exceed the level of resistance welding cold formed square tube except for wall thickness thickening
