With the development of modern economy, the rectangular tube is used more widely, but we have this kind of confusion, in the purchase of a rectangular tube at the same time, they often do not know how to choose suitable for their own project or project, so the right to, how to choose appropriate rectangular tube and affordable? Today, Ji'nan galvanized tube small editor and you share the specifications and types of rectangular tube related issues.
1. The rectangular tube is a hollow square section of light thin-walled steel tube, also known as steel cold bending section. It is a square section shape steel made of hot - rolled or cold rolled strip or rolling plate, which is made by cold bending and formed by cold bending, and then made by high frequency welding. In addition to thickening of wall thickness of hot rolled and thick wall square tube, the angle size and side flatness of the hot rolled tube can reach even higher than the level of the resistance welding cold forming square tube.
2, rectangular tubes are used for building, mechanical manufacturing, steel construction projects, shipbuilding, solar powered support, steel structure engineering, electric power engineering, power plants, agriculture and chemical machinery, glass curtain wall, vehicle chassis, airport and so on.
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