TIG WELDING CARBON STEEL 3/8" 2G PLATE HOT PASS OVER ROOT 120AMPS SCRATCH START

Scroll down for Details and Settings used

WELD PROCESS = TIG, GTAW, GAS TUNGSTEN ARC WELDING
METAL TYPE = carbon steel
THICKNESS = 3/8"

WELD TYPE = groove   

JOINT TYPE = BUTT WELD

POSITION = 2G PLATE OPEN ROOT HOT PASS

AMPERAGE = MACHINE AMPS SET TO 120 USING SCRATCH START TORCH WITH VALVE

TUNGSTEN = 2% LANTHANATED, 3/32"

FILLER WIRE = 1/8” ER70S2

POLARITY = DCEN

GAS FLOW = 20 CFH argon

CUP SIZE =  8PRE FLOW = TORCH VALVE

POST FLOW = TORCH VALVE

ADDITIONAL SETTINGS =   

TIPS: EXTEND ELECTRODE ENOUGH TO GET A DECENT ANGLE SO THAT WALKING THE CUP OR FREEHAND WELDING BOTH WORK WELL 

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.Keep the hot tip of the filler wire shielded by the argon envelope from the tig cupSnip oxidized tip of filler metal before a restart

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