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Old 08-29-2012, 08:26 PM
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I use Ceriated electrodes for everything now. I grind to a sharp point then flatten the end very slightly. I use a cordless drill to spin them and turn very slowly so there are no grind marks. The inverter welders really like these. especially on aluminum. The Ceriated electrode is a little harder to start for the newbee but this is something you have to learn.

I do alum, 3 types of SS, mild steel and 4130 nearly every day and it is really great to only have to change electode sizes. It's really challenging to weld 1/4 in alum and switch to .019 SS within the same hour.
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