Definition 

Seamless square tube is a hollow square section light thin-walled steel tube, also known as steel refrigerated bending section. It is a section steel with square cross-section shape and size made of Q235 hot-rolled or cold-rolled strip or coil as the base material, which is formed by cold bending and then high-frequency welding. Except for the thickening of the wall thickness of the hot-rolled extra-thick-walled square pipe, the corner size and edge flatness have reached or even exceeded the level of the resistance welded cold-formed square pipe. Good comprehensive mechanical properties, good weldability, cold and hot workability and corrosion resistance, and good low temperature toughness.

 Application 

As the name implies, the seamless square tube is a square tube. Many kinds of materials can form a square tube. What is the medium for, what is it used for, and where it is used. Most square tubes are made of steel pipes. Wrap, flatten, crimp, and weld to form a round tube, which is then rolled into a square tube and then cut to the required length. Generally, there are 50 square pipes per package. Most of the large specifications are 10*10*0.81.5~~500*500*10-25. The square pipes are divided into structural square pipes, decorative square pipes, and construction square pipes according to their purpose. Mechanical square tube, etc.