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 

tig socket weld
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