Would like some advice on preheating aluminum bar.
Tack welding 1/4 inch aluminum bar for tack weld at T joint.
How would I preheat for mig welding with a passport plus using spool gun
Anyone have experience welding aluminum bar with mig ?
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12-16-2012, 01:51 PM #1Junior Member
- Join Date
- Dec 2012
Please help - how do you preheat aluminum for mig ?????