TIG BRAZING 14 GA CARBON STEEL WITH SILICON BRONZE FILLER CORNER JOINT WITH PULSE

After lots of experimenting with different techniques and settings using silicon bronze filler metal, these are the settings that I found to work best.

scroll down for detailed settings

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

METAL TYPE = COLD ROLLED STEEL

THICKNESS =  .100" 

WELD TYPE = FILLET WELD

JOINT TYPE = CORNER

POSITION = 2F

AMPERAGE = 109 AMPS USING PULSE SETTINGS CONTROLLED WITH FOOT PEDAL

TUNGSTEN = 2% LANTHANATED, 3/32"

FILLER WIRE = 1/16” SILICON BRONZE

POLARITY = DCEN

GAS FLOW = 25 CFH argon

CUP SIZE =  12

ADDITIONAL SETTINGS =    PULSE SETTINGS 200 AMPS ON MACHINE 1PPS, 30% BACKGROUND CURRENT, 50% ON TIME

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.