Aron,
Are you using S70-6 rod? The dash 6 rod is high is manganese and silicon for
welding dirty, rusty or
poor metal. Gas should be 16/20 on the flow meter. Do you have the tungsten
pointed??? What size cup
are you using???
joe
atrav wrote:
> I welded some more today. I made doubly sure the tubing was clean and the
>rod, I increased the gas
> pressure +5psi, and increased the post flow time as well.
> That seemed to help, I think I wasn't using enough gas pressure before,
>although I do think the
> bottom line is the metal itself has some problems. I think another problem is
>that I might be
> getting contamination from the back of the weld, since this is tubing, and
>I'm getting good
> penetration, maybe I'm going a little too deep and loosing my shielding gas
>on the back side of the
> weld.
>
> I have some tubing coming from Aircraft Spruce, so I'll assume that's good
>quality, so I'll see if
> the problems persist or not.
>
> -Aron-
|