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.
âUses of CO2, Oxygen Other Welding Supplies in Chicago. AR, inert, non-flammable. Common applications: TIG (tungsten inert gas) welding process, argon in used for the joining of stainless steel, mild steel, aluminum, nickel and copper alloys. It is also used in the MIG(metal inert gas) welding process for the joining of aluminum. CARBON DIOXIDE (CO2) semi inert, non-flammable.