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    Type of welder

    I've used a MIG on the farm for over 30 years, and have welded 3/4"-1"+ steel, with no problems. I've even welded cast iron with the same wire, ER70-S7. I discovered this when my dad tipped over our Harbor Freight drill press, and broke the table crank off. I did the usual double-V grind prep...
  2. E

    WELDING BLACK IRON PIPE

    I've always had a liking for 7018: it welds through grease, rust, even its own slag. It's designed for welding dissimilar metals. It will weld spring steel to anything.
  3. E

    What to look for in a welder for Beginners

    I'm looking for a multi-process welder to supplement my older, big Millermatic 250. The MIG will be set up for welding stainless (have some projects waiting), and the TIG for welding aluminum irrigation pipe, primarily. I was told that to weld thin wall aluminum, you to have to use AC TIG...
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    DC conversion for AC stick welder

    I would like to do the opposite: convert a multi-process welder (MIG, TIG, Stick) into a AC/DC welder so I can weld aluminum tubing. Does anyone know how to do it, and what it would cost?

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