Aluminum MIG welding—also known as gas metal arc welding (GMAW)—is gaining traction across industries, and for good reason. As companies look for ways to reduce weight, improve corrosion resistance, ...

Welding. There’s something almost supernatural about being able to melt metal and use it to glue other pieces of metal together. It’s an experience you must have if you’ve never done it before.

If you want to weld aluminum, you might think skill-intensive TIG welding is the only way. However, if you already own a MIG welder, an add-on spool gun is a viable option. Retailing for $276, Miller ...

Although some engineers have had success in spot welding steel and aluminum together, it has largely been considered impossible to achieve reliable, continuous welds directly between the two ...