Jennifer Bourn. This post is part of the Color Meaning Blog Series, detailing the meanings associated with colors such as red, orange, yellow, green, blue, purple, grey, black, white, brown, pink, turquoise, gold, silver, and beige.
The effect of replacing argon by nitrogen was investigated for the purÂ­pose of reducing welding costs. The study reveals that nitrogen can very well be used to replace argon for purging in pipe welding without any adverse effects on the properties of the unstabilized austenitic stainless steels.
I'm new to the site and have a question on Spot Welding with a MIG. I have a Miller 252 with the std. M-25gun and have been welding for about two years now. I need to do a lot of automotive sheet metal body part welding as a hobby (restoring my old car) and need some advice on doing spot welds with my MIG machine. Most of the steel I will be spot welding will be approx. 18 and 22ga.