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WELDING THEORY
Selection guide of welding parameters with reference to the most typical applications and most commonly
used wires.
EN
16V - 22V
24V - 28V
30V - 45V
Gases
- Carbon dioxide (CO
2
- Argon
- Helium
- Argon-Helium mixture
- Argon-CO
and Argon-CO
2
60 - 160 A
Low penetration for thin
Good penetration and
materials
150 - 250 A
Automatic fillet welding
Automatic welding with
150 - 250 A
Low penetration with
Automatic welding with
adjustment to 200 A
)
2
2
2
-Oxygen mixture
2
100 - 175 A
120 - 180 A
Good flat and vertical
melting control
200 - 300 A
250 - 350 A
Automatic welding
high voltage
200 - 350 A
300 - 500 A
Good penetration
multiple runs
2
98
150 - 200 A
Not used
melting
300 - 400 A
Not used
downwards
500 - 750 A
Good penetration, high
downwards
deposit on thick
materials
2
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