Tungsten for Welding Aluminum AC Syn Wave: Choosing the Right Electrode for Perfect TIG Joints
When welding aluminum with AC, use pure tungsten or zirconiated tungsten electrodes. Avoid thoriated tungsten. Choose a diameter that matches your welding current. Larger-diameter electrodes work best for AC welding. Proper selection of tungsten ensures a strong and effective weld. Pure tungsten is typically green in color and is ideal for use with AC arcs. … Read more