[TheForge] Welding advice needed pronto

[Ralph Sproul]

"And I would not try mig welding a thin stainless sink together- tig is
the way to go."

ries

        Ries, couldnt' agree with you more on this - which is the original
question asked.

Ralph

----- Original Message -----
From: "Ries Niemi" <rniemi at fidalgo.net>
To: "Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Friday, February 25, 2005 3:10 PM
Subject: Re: [TheForge] Welding advice needed pronto


>
> I think when "mix" was refered to, for stainless, it was probably a
> helium mix. These are often Helium, argon mixes, sometimes with a
> really small percentage of CO2.
> They are specifically for welding stainless and aluminum, because
> helium mixes are hotter than straight argon. I have used a trimix when
> mig welding stainless, and while it is slightly better, I am not sure
> it is worth the extra cost.
> Originally, of course, all tig was helium sheilded, which is why the
> old name was "Heli-Arc" welding.
> But they found they could use argon, and it is cheaper.
>
> The argon/co2 mixes are for mig welding steel. They dont work as well
> on stainless.
>
> I did a big project once mig welding stainless, and I didnt like it at
> all- lots of spatter, and the spatter wont chip off, it must be ground
> off. Yes, it was quicker than Tig welding, but in any application where
> you need to clean up the weld, Tig is better in my opinion.
> And I would not try mig welding a thin stainless sink together- tig is
> the way to go.
>
> ries
>
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