The TIG welding process
TIG (Tungsten Inert Gas) welding is a type of electric arc welding that is used particularly for thin material and for welding stainless steel.
It is a process that has been used in industry for many decades, and has recently been further improved due to the development of electronics and software.
In TIG welding, the electric arc strikes between an infusible tungsten electrode and the part. A shielding gas is needed, which flows from the welding torch, is ionized by the welding current, and transfers the arc to the part to be welded.
TIG welding results in a narrow seam and good penetration. The heat input is limited and therefore so is the material deformation that could arise due to thermal conduction. For these reasons, TIG welding is used on thin materials, especially on stainless steel structures.
TIG welding is also widely used in punching to tack weld a structure before it is then welded automatically with other processes.
The TIG process can be used without filler material, or with filler metal when the weldability of the metals has to be improved while minimizing the possibility of hidden defects such as cracks and porosity.
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Metal welding
We can apply the aforementioned processes to a wide range of different metals to obtain semi-finished or finished products.
Using these processes, we perform sheet metal welding on ferrous materials, aluminum, stainless steel, and copper.