TIG Welding Aluminum Without AC: Techniques, Tips, and Challenges Explained
To TIG weld aluminum without AC, use a larger tungsten diameter, like green (pure) or grey (2% cerium). Utilize DC (Direct Current) with 100% helium. Keep welds short to control heat. This approach does not use a cleaning cycle but can still create strong welds with careful amperage control and proper electrical polarity. Adjusting the … Read more