Introduction of Rectangular Tube
Time：30 June 2016 Click：416
Rectangular tube is a hollow strip steel, also known as flat tube, square tube. In the bending and torsional strength phase at the same time, the weight is lighter, so widely used in the manufacture of machinery parts and engineering structures.
The classification of the rectangular tube: steel tube seamless steel tube and welded steel tube (tube) hot rolled seamless steel square tube, cold drawn seamless tube, extrusion of seamless tube, welded tube. Welded square tube is divided into: (a) according to the technological points - tube arc welding, resistance welding square tube (high frequency and low frequency), gas welding tube, furnace welding tube (b) according to the weld points - straight seam welded tube, spiral welded tube。
1, Description of the rectangular tube product
Rectangular tube is a hollow square cross section light thin wall steel tube, also known as refrigeration bending steel profiles. It is based on Q235 hot rolled or cold rolled steel strip or rolled plate parent metal by cold bending forming by high frequency welding again after made of square cross section shape, the size of the steel. Hot rolled, thick-walled square tube in addition to outside in the thickness of the wall thickness, the size and edge Angle straightness achieves even exceed the level of the resistance welding cold forming square tube.
2, Application of the rectangular tubeConstruction, machinery manufacturing, steel construction, shipbuilding, solar power stents, steel structure engineering, power engineering, power plants, agricultural and chemical machinery, glass curtain wall, automobile chassis, airport, etc.
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