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TIG ALUMINUM 1/4" THICK TO 1/8" 2F FILLET Welds

A fillet weld can be a lap joint, tee joint, or corner joint.

The goal is to get penetration down into the bottom of the joint or at least as close as possible.

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WELD PROCESS = TIG, GTAW, GAS TUNGSTEN ARC WELDING

METAL TYPE = ALUMINUM 6061 t6

THICKNESS = 1/4” TO 1/8" 

WELD TYPE = FILLET WELD

JOINT TYPE = LAP

POSITION = 2F

AMPERAGE = MACHINE SET TO 200 AMPS WITH FOOT PEDAL MAXED AT TIMES 

TUNGSTEN = 2% LANTHANATED, 1/8"

FILLER WIRE = 3/32” 4043

POLARITY = AC

GAS FLOW = 15-20 CFH argon

CUP SIZE =  8

ADDITIONAL SETTINGS =   AC BALANCE 30% CLEANING, AC FREQ 70HZ

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.  



Machine settings vary from brand to brand but No matter what TIG welding machine you use, the settings listed above will get you in the ball park. 

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