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Longtain manufacturing programme covers the entire range of welded tubes in square and rectangular sections, up to peripheral dimensions of 1,000 mm and thickness dimensions up to 10 mm.,
out of hot-formed strip

Uses :

- Metal structures and equipment.
- Works of art.
- Bus, trucks, industrial vehicles chassis and frame components.
- Agricultural vehicles.
- Cranes and civil engineering equipment and machinery.


Please note the LONGTAIN specialised products:

THE TECHNOLOGY OF FORMING PROFILE SECTIONS

Both square and rectangular sections are obtained by successively bending the strip, followed by high-frequency welding which is followed by a slight calipering.

Close tolerances
Limited level of cold-hammering
High ductility