Tig Brazing carbon steel with Aluminum Bronze filler rod on AC

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WELD PROCESS = TIG, GTAW, GAS TUNGSTEN ARC WELDING, TIG BRAZING

METAL TYPE = FILE HANDLE

THICKNESS =  .125" 

WELD TYPE = SURFACE BUILD UP

JOINT TYPE = EDGE BUILD UP

POSITION = FLAT

AMPERAGE = MACHINE SET TO 120  AMPS CONTROLLED WITH FOOT PEDAL

TUNGSTEN = 2% LANTHANATED, 3/32"

FILLER WIRE = 3/32” ALUMINUM BRONZE ERCUAL-A2

POLARITY = AC

GAS FLOW = 20 CFH argon

CUP SIZE =  8

ADDITIONAL SETTINGS =    AC BALANCE SET TO 70 (30% CLEANING)

PRE FLOW = .2 SEC

POST FLOW = 7 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.