Talking about the definition and construction technology of round pipe

Definition: A steel with open ends and a hollow concentric section, the length of which is larger than the circumference.

Tube representation method
The specifications of round pipes are expressed by external dimensions (such as outer diameter or side length) and inner diameter and wall thickness, and their sizes range from very small diameter capillaries to large round steel pipes with diameters of several meters.

The main purpose of the round tube
Round pipes can be used in pipelines, thermal equipment, machinery industry, petroleum geological drilling, containers, chemical industry and special purposes.

Round tube classification
According to the production method, it can be divided into seamless round pipes and welded round pipes.

round pipe seamless Steel Pipe manufacturing process
Tube blank; inspection; peeling; inspection; heating; perforation; pickling; grinding; lubrication and air drying; welding head; cold drawing; solution treatment; pickling; pickling passivation; inspection