I-CAR AWQT Practice Questions - I-CAR Aluminum Welding Qualification Test (AWQT) Exam

Which shielding gas is the I-CAR standard for aluminum GMAW pulse welding in collision repair?

75% argon / 25% CO2 100% pure argon 100% CO2 98% argon / 2% oxygen

Correct Answer:

100% pure argon

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