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.
Instructions. Know what metal you are welding. Welders have figured out that nitrogen, as well as hydrogen, works well with stainless steels. If your metal is stainless steel, then nitrogen welding gas is a good choice. Put on your protective gear. This includes gloves, a welding jacket and a welding mask.
The good news is that when it comes to MIG welding, there are only two real choices-4043 or 5356 filler wire-and they can be used to weld a the following alloys: 3000, 4000, 5000 and 6000 series aluminum. Q: So which wire do you use? A: For most DIYers, 4043 will work best.