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Square tube Corrosion resistance, low temperature toughness are good, complete specifications, price concessions
Square tube is a kind of hollow square section light thin-walled steel tube, also known as steel cold-formed profile. 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 extra thick wall square tube reach or even exceed the level of resistance welding cold formed square tube except for wall thickness thickening
