Tig Welding Stainless to Carbon socket weld root 1/4" wall thick 309 rod
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WELD PROCESS = TIG, GTAW, GAS TUNGSTEN ARC WELDING
METAL TYPE = CARBON STEEL TO STAINLESS
THICKNESS = WALL THICKNESS 1/4” ( 2 INCH SCHED 40)
WELD TYPE = Fillet weld SOCKET WELD root
JOINT TYPE = SOCKET WELD
POSITION = TURNTABLE
AMPERAGE = 140 amps
TUNGSTEN = 2% LANTHANATED, 3/32"
FILLER WIRE = 3/32” ER309
POLARITY = DCEN
GAS FLOW = 15-20CFH argon
CUP SIZE = 6
ADDITIONAL SETTINGS = PRE FLOW = .5 SECPOST FLOW = 11 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