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.
In other areas of manufacturing, the goal may be simply to limit the use of helium. Lyttle pointed out the use of a CO2 laser for welding applications as an example. Traditionally, helium is used as a shielding gas in CO2 laser welding, but it is supplied in a less-than-efficient manner to the area.