The square and rectangular pipe refers to a steel pipe with a square or rectangular section, which is hollow and belongs to the steel pipe. The shape of the rectangular tube is square or rectangular. Such a structure is very beneficial to the support of objects and the construction of other objects. For enterprises, the rectangular tube has a relatively long life and stable performance. of. The production process of the square tube is simple, the technical requirements are relatively low, and it is very suitable for mass production and procurement. It also has great advantages in terms of price, etc. Effect.