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https://www.gzcomifo.com/fhr-1600-spiral-tube-forming-machine.html

The scope of application of mechanical equipment is very wide, according to different needs, square tube machine also has different characteristics. So what's the difference between welded square tube and seamless square tube? Let's follow gzcomifo to understand it.

1. Square tube is a hollow square section steel square tube, also known as steel cold-formed section. It is a section steel with square section shape and size, which is made of hot or cold rolled strip or coil as the blank by cold bending and then by high frequency welding. In addition to wall thickness thickening, the corner size and edge straightness of square tube can reach or even exceed the level of resistance welding cold formed square tube.

2.Seamless square tube is a kind of long steel with hollow section and no joints around. The square tube machine has hollow section and is widely used as the pipeline for conveying fluid. Mainly used in liquid transportation, hydraulic support, mechanical structure, medium and low pressure, high pressure boiler pipe, heat exchange pipe, gas, oil and other industries.

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