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WELD PROCESS = TIG, GTAW, GAS TUNGSTEN ARC WELDING,
METAL TYPE = carbon steel PIPE
THICKNESS = 2 inch schedule 80 pipe wall thickness .220"
WELD TYPE = groove
JOINT TYPE = BUTT WELD
POSITION = 6G pipe OPEN ROOT WITH 1/8” GAP AND ZERO LAND
AMPERAGE = 110-120
TUNGSTEN = 2% LANTHANATED, 3/32"
FILLER WIRE = 1/8” ER70S2
POLARITY = DCEN
GAS FLOW = 20 CFH argon
CUP SIZE = 8
PRE FLOW = manual POST FLOW = 10
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 cup
Snip oxidized tip of filler metal before a restart