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MIG and flux core use similar machines but different wire.
Last updated: November 2, 2026.
MIG
Uses gas for cleaner welds. See MIG welders.
Flux core
No gas needed and works outdoors. See flux core welders.
Safety
Wear a proper helmet, gloves and ventilation.
Frequently Asked Questions
Which first?
Flux core is simpler.
Voltage?
110V for home, 220V for thick steel.
Duty cycle?
Check on thicker jobs.
Bottom Line
Pick a 3-in-1 machine that does both.
