Today, the steel pipe piercing process is widely used in the production of seamless steel pipes.
After the steel pipe is perforated, it has a hollow section and is widely used as a pipeline to transport fluid. Compared with solid steel such as round steel, the steel pipe,
When the bending and torsional strength is the same, the weight is light, and it is an economic section steel.
In the production of seamless steel tubes, the role of the piercing process is to pierce solid tube blanks into hollow capillaries.
As the first process of metal deformation, the pierced pipe has thicker wall, shorter length and better internal and external surface quality
Poor, so it is called capillary. If there are some defects on the capillary, it is difficult to eliminate or reduce them after the subsequent process. Therefore, piercing process plays an important role in steel pipe production.
Nowadays, the piercing process in seamless steel pipe production is more reasonable, and the piercing process is automated.
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