Welding tips and tricksTIG WELDER AC FREQUENCY RATE SETTINGS ON ALUMINUM – WELDING TIPS TRICKS ADVICE July 27, 2022 - Leave a Comment Longevity WeldingWed, July 27, 2022 9:22amURL:Embed:On this video episode of Longevity Learning Lab, we are showing how to set a tig welder with pulse setting to weld aluminum.