Technology file

High frequency welding (HFI, ERW)

Tube seam joint

- for producing continuously welded metal tube and pipe, finned tube and for butt welding; applications include exhaust pipes, fuel lines, hydro-formed tube, and tailored blanks

Expertise

Using its specialist expertise in high frequency welding, TWI has supported industry with a range of project and consultancy work which has included:
  • mechanical properties of welded pipe
  • metallurgical studies on welds
  • defect examination
  • optimisation studies on HF butt welding of tailored blanks

Resource

  • testing facilities for fracture mechanics studies
  • corrosion & metallurgical test equipment
  • non-destructive testing
  • process advice & troubleshooting
  • tailored training courses

All TWI's confidential consultancy and project work is conducted to ISO 9001 quality standard

Why not search the site for more information on high frequency welding (ERW)

Want to discuss high frequency welding (ERW)?
If you work for an Industrial Member of TWI look in Who Knows to find the expert.
Mail to twi_industrial@twi.co.uk if your company is not an Industrial Member.

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Information and advice from TWI and its partners are provided in good faith and based, where appropriate, on the best engineering knowledge available at the time and incorporated into TWI's website in accordance with TWI's ISO 9001:2000 accredited status. No warranty expressed or implied is given regarding the results or effects of applying information or advice obtained from the website, nor is any responsibility accepted for any consequential loss or damage.