Regulator pressure when welding on Aluminium?

by Steve
(Magnolia, TX)

I have a MillierMatic 211 and would like to know what is the regulator pressure setting when welding on Aluminium. Thanks


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I would guess 20-25 cfh on the flowmeter.

at about 40 psi

this is a quote from miller site...The most common shielding gas for MIG welding aluminum is 100 % argon. Flow rates of 20 to 30 CFH (cubic feet per hour) are acceptable. C25 or argon Co2 mixes are not acceptable.

thanks for posting,


jody