Busting the Myths around Welding Aluminum

A look at debunking or proving the most common aluminum welding legends
February 2025
By: SHAUN RELYEA and STEVE KORNACKI

For decades, welding aluminum has been a challenge. During that time, several myths have surfaced and been passed along. This article will review some of the most common, debunk or prove them, and add tips for best practices.

 

MYTH: 1. You Can Only Weld Aluminum with A/C GTAW

While gas tungsten arc welding (GTAW) is a great option for aluminum, it isn’t the only option. The myth persists, though. Welding aluminum with gas metal arc welding (GMAW) has come a long way over the last few decad..

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