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Need some tips for passing your 6g weld test?...for a 6g tig root pass?
I hope I have just what you need in this video that shows tips for the root pass using a 1/8" (3.2mm) gap and a 1/8" (3.2mm) er70s-2 filler rod.
The technique used in this video is called "lay wire" and it involves having a gap that is just tight enough to not let a 1/8" wire to slip thru...along with laying the wire right in the gap and bearing down on the tip of the rod with the tip of the electrode.
I used 120 amps, a 3/32" 2% lanth electrode, and a 1/8" er70s-2 rod to weld this 6g tig root.
One tip that I am sure some will disagree with is not feathering both sides of all the tack welds.
Hey I am just showing something I have found to work. Its not the only way and if you find something that works better, I hope you will share it with the rest of us.
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other tig welding techniques that work for a root pass
Another technique that works is using a 1/8" (3.2mm) gap and 3/32" (2.4mm) rod. With this technique the edges are melted to form what looks like a keyhole. …
Retired Pipefitter Welder
First off I have been welding for 40 years and I learn something new from each video. When I tack up I use 1/8 inch welding rod that have been bent 90 …
Watch the puddle and if you can see it swirling, actually see the metal sort of spinning you know you are tieing into the sides good. Sometimes it can …
On a different subject, can you some time go over when to use and not use DC/helium for heavy alum without preheat. I have found this an excellent way …
see more tig welding videos like this one on a 6g weld test