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Multitack welding on stainless steel metal carpentry
Multitack welding on stainless steel metal carpentry
22/11/2017

One of the most common applications we face is the welding of stainless steel metal carpentry in thicknesses less than 1.5mm. Due to the material nature, when performing a good welding we generate the deformation of the material due to the thermal effect.

In this type of application we do not find 2 main drawbacks:
1.    After welding we must invest time readjusting the piece dimensions.
2.    When we are going to eliminate by sanding the weld cord, it has been sunk and we should look for alternatives of execution.

The use of TIG equipment with low thermal input arcs allows minimizing the work after welding. In overlap joints, where we make joints by tacking TACK, we will achieve penetration and strength on joint without deformation the piece. The point will mark by penetration the back of this union, it's a signal of good material fusion.

Profiling joints that are subsequently sanded to "erase" the weld, a multi-shot arc allows penetrations of 70% of the thickness to be welded without sinking the weld cord.

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