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Sounds like this would be a waste of time! I'm not going to to try it...
Thanks very much for the info!
Marc
Wayne wrote:
>
> At 11:04 AM 11/9/2005, Marc wrote:
>> I need to make 4 small welds on aluminum. I have a spool of alum wire
>> for my MIG, but my shielding gas tank is 75% Argon / 25% Co2.
>> I was thinking about experimenting on some scraps with Alum & C-25,
>> just wondering if anyone has BTDT? Will it work acceptably, or a
>> waste of time?
>
> My buddy has a MIG setup. He tried doing Al with C25 and it was
> terrible! An ugly oxidized splattered mess. Not just ugly either,
> but not a structurally sound weld.
>
> So he got a bottle of pure argon. Much better results. But feeding
> Al wire down the hose is problematic. When it would feed at all, the
> feed was erratic making it difficult to get good welds. That's why
> they make "spool guns" -- but of course they're expensive too.
>
> -Wayne
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