Mig Welding Aluminum Tips

Aluminum gmaw gas metal arc welding for aluminum.

Mig welding aluminum tips.

More tips for spool gun mig aluminum welding spool guns make me feel powerful. Aluminum mig welding tips to prevent this. Aluminum wire is much softer than steel and is hard to feed very far thru a liner. In most cases it will take 21 23 volts to get the arc to spray transfer.

If welding out of position you will want the wire feed speed fast enough to keep the weld full of metal at a fast crackle. I hope these tips lead to success if you decide to take a shot at mig welding aluminum without a spool gun. Though to be honest compared to welding mild steel welding aluminum is going to feel like you are zipping through uncomfortably fast. You should be moving about twice the speed compared to welding mild steel to prevent.

The settings needed to mig weld aluminum are pretty much the same for all positions. Keep in mind these important factors when mig welding aluminum for your application. Material thicknesses of aluminum that can be mig welded are 14 gauge and heavier. And a longer stickout works better for spray transfer usually around 3 4 works.

The output capacity of your welder determines the thickness you can weld. For more info a good start is lincoln electric s guide. But for mig welding aluminum spray transfer is used. With a spool gun the wire only has toe fed for a few inches.

Whereas with a conventional mig setup the liner is usually about 8 10 feet long. Tips for getting started. That is the reason for spool guns. Welding with aluminum is a lot different than working with steel and we ve only touched on actual aluminum welding techniques.