I decided to try the pure argon, since I already had it. I am attaching a photo. This is a flea market 1 1/16" wrench I'm turning into another bottle opener. Does the weld look okay?
I didn't get any spatter, really. I got a lot of soot, though, and the welder made a racket. For some reason the gas seemed to hiss really loud, which I never noticed before. I don't see how that can be right, though. I guess I just wasn't paying attention to the sound when I used 75/25. The pure argon kept blowing crap (soot, etc.) right off the wrench. The soot would attach, and then the argon would blow it off in sheets.
I don't understand why I can't control the wire better. I have it on a very low feed rate, and it seems like it still piles up in a big hurry.
I learned one new thing: don't use rare earth magnets close to a weld. I threw a few small magnets on the work to hold it in place while I tacked it, and I left them on while I finished the job. I found them on the floor later, demagnetized.
If you're wondering why I'm ruining wrenches, I just felt like repurposing junk tools to give me an excuse to weld.
- 02 10 17 new wrench bottle opener welded with pure argon small.jpg (22.87 KiB) Viewed 87 times
Don't trigger me, bro!