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Manufacturing Process of ERW Tubes
The manufacturing process of automotive plain carbon ERW tubes involves several key steps that ensure the production of high-quality tubes. The process begins with the selection of flat steel sheets, which are typically made from plain carbon steel. These sheets are then fed into a forming mill, where they are rolled into a cylindrical shape.
Once the steel sheets are formed into a tube, the edges are heated using electric resistance welding. This method involves passing an electric current through the edges of the tube, generating heat that melts the metal and fuses the edges together. The welding process is highly efficient and produces a strong bond without the need for additional filler material.
After welding, the tubes undergo various finishing processes, including sizing, straightening, and cutting to the desired lengths. Quality control measures are implemented throughout the manufacturing process to ensure that the tubes meet industry standards and specifications.