TIG- or laser-welded square tubes

Our product portfolio includes square and rectangular tubes of the standard profile range from

10 x 10 x 1.0 mm to 200 x 200 x 6.0 mm (square tubes)
20 x 10 x 1.0 mm to 300 x 100 x 6.0 mm (rectangular tubes)

as well as special profiles according to drawings.

All tubes are also available with ground surface finish (grain 240/ grain 320).

Profiling of the tubes is carried out in-house by direct transformation from strip into tube.
We manufacture TIG- and laser-welded square tubes in grades 1.4301 and 1.4571
according to DIN 17440 and 2395, or in accordance with our
Zwick factory standard 001, depending on your special needs.

For vehicle construction, we offer custom-made tubes in grade 1.4003:

  • specified weld seam position
  • production of customised edge radii
  • low crowning, since not produced from round tubes
  • next to no weld ridge (max. 0.3 mm)
  • production also in special materials
  • fixed lengths, special dimensions and other materials upon request

Fields of application:

  • mechanical engineering
  • power plant construction
  • food industry
  • offshore technology
  • medical technology
  • vehicle construction