TIG welding, or tungsten inert gas, is a process in which a tungsten electrode heats the metal you are welding, while Argon gas protects the weld puddle from airborne contaminants.

Welding 101: Yes, You Can Learn How to Weld. Here's How. If you're never welded before, today's easy-to-use wire-feed units speed up the learning process. Time to spark your creativity.