Common Mistakes in TIG Welding Aluminum & How to Fix Them TIG (Tungsten Inert Gas) welding is widely used for aluminum due to its precision and ability to create clean, high-quality welds. However, aluminum welding presents unique challenges, and even experienced welders can make mistakes that lead to weak joints, contamination, and poor aesthetics. This article will cover the most common tig welders mistakes when working with aluminum and how to fix...