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Chapter 8: Welding methods
TIG and laser
At our plant, in-line welding is carried out with a completely automatic LASER and TIG (Tungsten
Inert Gas) method, depending on tube wall thickness according to the commonly used production
norms.
Welding is carried out after cold forming by fusing the two strip edges thus limiting the thermally
altered area and protecting the inner area with an appropriate shielding gas.
LASER and TIG welding methods give high reliability of the weld area making the product suitable
for any kind of application.
See picture n° 1 : Laser welding – heat affected area of around 1mm (x50)
See picture n° 2 : TIG welding – heat affected area of around 4,5 mm(x50)
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