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AC frequency settings for TIG Aluminum

TIG > Aluminum • 4m 28s

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    This video is about tig welding aluminum on AC at 50hz and at 250hz.
    there was a noticeable difference at the 2 different settings. 50hz got completed penetration and 250hz did not penetrate.
    I tried to keep travel speed the same for both welds by using a motorized welding positioner turntable.
    C...

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  • How to TIG Weld Aluminum - Part 1

    There is a lot to talk about.
    things like tungsten electrodes..type and size ( i like 2% lanthanated for everything and 3/32 takes care of most of my daily welding)
    shielding gases ...argon is best to start but if you begin to specialize in thicker aluminum, it might make sense to use a blend of ...