Seamless steel pipe extrusion is a common pipe manufacturing process, mainly used to produce seamless steel pipes of various specifications and materials. Its principle is as follows:
1. Material Selection: First, suitable steel billets are selected as raw materials. These billets are usually preheated to improve their plasticity during extrusion.
2. Heating: The steel billets are heated to a certain temperature, which reduces the tensile strength of the steel and increases its ductility, facilitating extrusion forming.
3. Extrusion: The heated steel billet is placed in an extrusion press. The pressure of the press deforms the billet within the die, gradually forming a tubular shape.
4. Cooling: The extruded steel pipe is cooled using cooling equipment to solidify its shape.
5. Post-processing: The extruded seamless steel pipe may require subsequent processing, such as grinding, straightening, and pickling, to ensure its dimensional accuracy and surface quality.
The advantage of seamless steel pipe extrusion is that it can produce seamless steel pipes with high dimensional accuracy, smooth surface, and no joints between the inner and outer walls. It is suitable for fields that require high precision and high strength, such as the petroleum, chemical, and machinery manufacturing industries.
Post time: Jan-15-2026