WELD PROCESS = TIG, GTAW, GAS TUNGSTEN ARC WELDING
METAL TYPE = CARBON STEEL
THICKNESS = 1/4” WALL THICKNESS TUBE TO END FITTING
WELD TYPE = GROOVE PARTIAL PEN
JOINT TYPE = FITTING INSERTED INSIDE TUBE
POSITION = ROLLED ON TURNTABLE
AMPERAGE = MACHINE SET TO 200 AMPS USING PULSE SETTINGS
TUNGSTEN = 2% LANTHANATED, 3/32"
FILLER WIRE = 3/32” E70S2
POLARITY = DCEN
GAS FLOW = 20 CFH argon
CUP SIZE = 8
ADDITIONAL SETTINGS = PULSE SETTINGS 2 PPS, 50% PULSE TIME, 35% BACKGROUND CURRENT, 1 SECOND UPSLOPE, 5 SECONDS DOWNSLOPE
PRE FLOW = .2 SEC
POST FLOW = 7 SEC
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