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  • mig weld aluminum

    in order to mig weld aluminum what is the recommended shielding gas? I've tigged aluminum before, but my cheap A$$ China freight tig doesn't have AC and what I have to weld is too much of a pain to bring to work. So I'd like to play with the mig before I go through all the B.S. of hauling this lid to work. It's a fibergladd tonneau lid for a 97-03 f-150. The frame cracked in a corner when it got blown off the sawbucks in a t-storm.

    Thanks

    Pete C.

  • #2
    You must use straight Argon to Mig weld Aluminum. 20cfm while pulling the trigger. You have a spool gun right?

    James
    Last edited by StillBoostin; 05-10-2008, 07:40 PM.
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    • #3
      DC Straight TIG welding aluminum

      Originally posted by 2much2do View Post
      in order to mig weld aluminum what is the recommended shielding gas? I've tigged aluminum before, but my cheap A$$ China freight tig doesn't have AC and what I have to weld is too much of a pain to bring to work. So I'd like to play with the mig before I go through all the B.S. of hauling this lid to work. It's a fibergladd tonneau lid for a 97-03 f-150. The frame cracked in a corner when it got blown off the sawbucks in a t-storm.

      Thanks

      Pete C.
      If you have a DC machine and are welding 6061, try TIG welding DC negative using 100% Helium and 4043 filler metal. Has to be real clean (acetone) and try brushing with S.S. brush. Takes a little practice but results are great.

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      • #4
        How can I tell what type of aluminum I have?

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        • #5
          Might have to get myself a little bottle of Helium.
          Last edited by tasslehawf; 05-06-2008, 10:01 PM.
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