MIG ALUMINUM SPOOL GUN .125" WALL TUBE OVERHEAD

Mig Welding Aluminum with a spool gun is a bit more finicky than mig welding steel. 

If your settings are way off, you can burn thru several contact tips.

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WELD PROCESS = GMAW, GAS METAL ARC WELDING

METAL TYPE = ALUMINUM ALLOY

THICKNESS = 1/8"  

WELD TYPE = FILLET   

JOINT TYPE = TEE

POSITION = 4F OVERHEAD 

VOLTS = 20.0 volts

WIRE SPEED = 385  IPM

WIRE SIZE = .035” 4043

AMPS = POLARITY = DCEP

GAS FLOW = 25-35 CFH 100% ARGON GAS

CTWD  = 1/2” - 3/4"

FILLER METAL = ER4043 .035"

ADDITIONAL SETTINGS = 

TIPS:A longer contact to work distance CTWD of 1/2”-3/4” helps with spray transfer aluminum mig welding.