TIG WELDING CARBON STEEL 1/4 THICK CORNER JOINT PULSE ROOT LAYWIRE TECHNIQUE
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WELD PROCESS = TIG, GTAW, GAS TUNGSTEN ARC WELDING
METAL TYPE = carbon steel
THICKNESS = .250”
WELD TYPE = FILLET
JOINT TYPE = CORNER JOINT
POSITION = 2F
AMPERAGE = MACHINE AMPS SET TO 200 CONTROLLED WITH FOOT PEDAL
TUNGSTEN = 2% LANTHANATED, 3/32"
FILLER WIRE = 3/32” ER70S2
POLARITY = DCEN
GAS FLOW = 20 CFH argon
CUP SIZE = 8
PRE FLOW = .5 SEC
POST FLOW = 7 SEC
ADDITIONAL SETTINGS = PULSE SETTINGS 1PPS, 40% BACKGROUND, 50% ON TIME
TIPS: KEEP A TIGHT ARC
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
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