How To Tig Weld Aluminum Vertical. If you ever welded an aluminum tee, you know it gets very hot… very quick. These things are used to scrape the thin layer of aluminum oxide.
Amperage and voltage have their welding heat, which means that the higher the arc voltage, the more energy will be. To defeat this, always tig weld aluminum with the polarity set to alternating current (ac). Now we see the steps to setup a tig welder for aluminum.
Other ways to weld aluminum.
The 3 indicates vertical and the g indicates a groove weld. Features to consider when choosing the best welder for aluminum. Manual welding aluminum with a traditional mig torch and an 0.046 wire, use a conventional. Pure tungsten or thoriated tungsten.