TIG WELDING ALUMINUM 11ga 1G TEST PLATE

Video Shows 7 Tips for TIG Welding Aluminum

...Introducing the New WeldMonger Challenger TIG kit that includes the most frequently used Cups. 

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WELD PROCESS = TIG, GTAW, GAS TUNGSTEN ARC WELDING

METAL TYPE = ALUMINUM 6061

THICKNESS =  1/8" 

WELD TYPE = GROOVE WELD

JOINT TYPE = BUTT

POSITION = 1G

AMPERAGE = MACHINE SET TO 140 CONTROLLED WITH FOOT PEDAL

TUNGSTEN = 2% LANTHANATED, 3/32"

FILLER WIRE = 3/32” 4943

POLARITY = AC

GAS FLOW = 15 CFH argon

CUP SIZE =  6

ADDITIONAL SETTINGS =   AC BALANCE 30% CLEANING, AC FREQ 100HZ

PRE FLOW = 1 SEC

POST FLOW = 10 SEC

TIPS: KEEP A FAIRLY TIGHT ARC AND WATCH TORCH ANGLE

Aim for an arc length that is equal or less than the diameter of your tungsten electrode.

Torch angle can be forgiving provided your arc length is tight.  

What is the best cup to use for aluminum?

I think a #6 gas lens is a great all around cup for TIG welding aluminum.

A #6 gas lens allows you to extend the tungsten more than a standard collet body cup but also confines the cleaning action etch zone just a bit.

15 to 20 cfh of argon flow is usually adequate but that depends on your flowmeter as well as the type of joint you are welding as well as some other factors.

Argon Flow rates for each Cup size using 2.5 as factor