Nils O. Ny wrote:
>
> At 02:32 PM 5/18/98 -0700, Scott Beckman wrote:
> >
> >Which makes a better shielding gas for a MIG welder, Argon-CO2 mix or
> straight
> >CO2?
> >
> >BTW, my main purpose for the purchase of a MIG was to do autobody work.
> Patch
> >panels, floorboards, trunkpans, etc
> >
> >TIA,
> >
> >Scott
> >
> They (sales people at the welding supply house) told me
> that for mild steel (like all the body parts of a car) it is best
> to use a 75/25 % mix of Argon and CO2. If you are trying
> to do Aluminum use the straight CO2
>
> Regards Nils
> Yardley, PA
> 59(100-6) 69XKE 72/73MGB 52MGTD
I must disagree. You cannot use CO2 to shield aluminum. On mild steel
you can use CO2, a mix or Argon. CO2 is cheaper and your setup will be
slightly different. I use argon for everything because I need only one
bottle. John
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