Learn why mig pulsed mig tig and pulsed tig are the ideal choices when welding sheet metal.
Tig for auto sheet metal.
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I use a 1 16 red electrode and either 030 or 035 tig filler rod.
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Tack welds are simply small welds that barely penetrate the metal and aren t pushed or pulled to form a bead.
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The best two electrodes for welding auto body sheet metal is either ceriated tungsten or thoriated tungsten.
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If using the finger switch on the tig welder i like to set the machine to a fixed 50 60 amps for sheet metal work.
Tack weld different areas of the joint about an inch apart.
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With the pedal i m able to fluctuate the amperage to get exactly the size weld and penetration i need.
Tack welding is the best way to hold the metal in place before you fully weld it to the original metal.
When welding thin metal the main objective is to avoid warping burn through and excessive heat affected zones while still ensuring the weld has enough mechanical strength for the application.
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Whether you re working on a classic american car from 1957 or a truck made as recently as 2007 eastwood has sheet metal to help you fix it.
Short circuit transfer mig short arc tig and pulsed tig welding processes provide the most control over the heat to address these challenges.
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