Got better results last night. I used a regular #4 alum cup and was able to turn gas down. I also adjusted my freq. to 50, bal 50. Had the pulse freq. at 10 pps, 25% duty cycle, and. ran around 35 amps.Played with that and never got around to switching to dc. Still will try that later and see how it...

Also I am using .035 mig wire as filler.

Thanks for the feedback. I will try dc and see how that works. I can usually get a bead going then after 1/2" to 1" in have problems. As for cup size 5 is the smallest I have now in gas lense. I have a 4 regular cup. As I said. I tried less gas flow around 6-10 cfh but the tungsten turned ...

I have been practicing running beads on aluminum around 26 gauge. I have no problem running beads, but when I try to do but welds the edges blow out on me. I am using an HTP Invertig 221, .040 2% lanth tungsten, with number 5 gas lense. Running about 15 scfh argon. Tried to go lower but tungsten alw...