Most People Don’t Know These Welding Basics—Do You?
What is the primary role of shielding gas in MIG welding?
40%
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Shielding gas protects molten metal from oxygen and nitrogen in the air. Without protection, the weld can become porous, weak, and brittle.
What is the primary role of shielding gas in MIG welding?
Increase electric shock risk
Protect the weld pool from contamination
Make the arc brighter
Cool the metal quickly
40%
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