TIG Welder Setup for Different Materials

Getting your TIG welder set up correctly for different materials is the difference between success and frustration. Each material has its own requirements. Carbon Steel Setup Current type: DC Electrode Negative (DCEN) for maximum penetration. Aluminum Setup Current type: AC (Alternating Current) to break up the oxide layer. Quick Reference 1/8" mild steel: DCEN, 125 amps, 3/32" tungsten, 18 CFH argon Proper setup is the foundation of quality TIG welding. Take time to understand your material's requirements and document what works.