Thanks for the feedback and advice... Mike hit the nail on the head as I was jamming the filler into the arc trying to avoid a blowout. I did have the metal cleaned down to bright metal, used a flapper wheel, but I do see the sooting he is talking about. I don't have any flat metal practice pictures...

Hi Guys, Just joined the forum as I need some help with TIG welding some .035" wall 4130 tubing. I ran a two inch bead joining two 3/4 inch tubes together and from under the hood all looked well until I took the hood off and found something that looked closer to Fido's butt then the nice bead I...