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.
How to Mig Weld Aluminum. Metal inert gas (MIG) welding uses a consumable wire electrode and shielding gas, which is continuously fed through a welding gun. Aluminum requires some specific changes for welders who are accustomed to welding steel. It's a much softer metal so the feed wire must be larger.