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The Water Cooler
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I need help learning my welding machines
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<blockquote data-quote="OHJEEZE" data-source="post: 3745519" data-attributes="member: 47878"><p>If your tig machine is ac / dc, get a bottle of argon!</p><p></p><p>Argon will work fine on steel and stainless, and is a must have for aluminum!</p><p></p><p>Cant use co2 on aluminum!</p><p></p><p>Ac is to weld aluminum</p><p>Dc for steel, stainless </p><p>Follow your machine instructions for the proper polarity.</p><p></p><p>(Green) pure tungsten electrodes for aluminum. Radius the end the arc flows from. Use with AC voltage</p><p></p><p>(Red) 2% thoriated tungsten electrodes good for steel and stainless. Grind the end the arc flows from to a sharp point. Grind marks should flow in the arc direction.</p><p>Use with DC voltage</p><p></p><p>Size of the electrodes depends on the max current (amps) used. Also ac voltage uses a larger tungsten than dc does.</p><p></p><p>Careful with your tungstens they are very brittle and if you bump them they break easy!</p><p></p><p>Fun!</p></blockquote><p></p>
[QUOTE="OHJEEZE, post: 3745519, member: 47878"] If your tig machine is ac / dc, get a bottle of argon! Argon will work fine on steel and stainless, and is a must have for aluminum! Cant use co2 on aluminum! Ac is to weld aluminum Dc for steel, stainless Follow your machine instructions for the proper polarity. (Green) pure tungsten electrodes for aluminum. Radius the end the arc flows from. Use with AC voltage (Red) 2% thoriated tungsten electrodes good for steel and stainless. Grind the end the arc flows from to a sharp point. Grind marks should flow in the arc direction. Use with DC voltage Size of the electrodes depends on the max current (amps) used. Also ac voltage uses a larger tungsten than dc does. Careful with your tungstens they are very brittle and if you bump them they break easy! Fun! [/QUOTE]
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