TIG process variables
TIG: arc welding with gas protection and tungsten electrode
Quizzed article REF: BM7733 V1
TIG process variables
TIG: arc welding with gas protection and tungsten electrode

Author : Pascal PAILLARD

Publication date: April 10, 2017, Review date: April 28, 2021 | Lire en français

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2. TIG process variables

The main process variables are :

  • arc tension Us (also arc height or arc length in mm),

  • arc current Is,

  • feed speed Vs,

  • protective gas (type and flow rate),

  • filler metal.

The energy supplied to the weld is expressed by the following formula :

Es=r×Us×IsVs×60

with :

Es
 : 
...
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