Technician A says that GMAW aluminum welding uses a mix of Argon and Carbon Dioxide and is therefore truly a MIG welding process. Technician B says silicon bronze welding is commonly done using a standard MIG welder. Who is correct?

Question

Quizplus · Accepted Answer

Technician B is correct because silicon bronze welding can indeed be performed using a standard MIG welder with the appropriate wire and settings. GMAW (Gas Metal Arc Welding) for aluminum typically uses pure argon or an argon-helium mix, not argon and carbon dioxide.

Technician a Says That GMAW Aluminum Welding Uses a Mix