TIG CARBON STEEL 2 INCH SCHEDULE 40 .150" WALL THICKNESS SOCKET WELD ROOT

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WELD PROCESS = TIG, GTAW, GAS TUNGSTEN ARC WELDING,  LIFT ARC TIG

METAL TYPE = carbon steel  

THICKNESS = 2 inch schedule 40 pipe wall thickness .150"

WELD TYPE = FILLET   WELD ROOT PASS 

JOINT TYPE = SOCKET WELD ROOT

POSITION = 5G  IN TRIPOD VISE

AMPERAGE = 140

TUNGSTEN = 2% LANTHANATED, 3/32"

FILLER WIRE = 3/32” ER70S2

POLARITY = DCEN

GAS FLOW = 15-20 CFH argon

CUP SIZE =  6

PRE FLOW =  

POST FLOW =  10

ADDITIONAL SETTINGS =   

TIPS: EXTEND ELECTRODE ENOUGH TO GET A TORCH ANGLE SO THAT WALKING THE CUP OR FREEHAND WELDING BOTH WORK WELL.

USUALLY AROUND THE SAME AS INSIDE DIAMETER OF CUP OR SLIGHTLY LESS

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 cupSnip oxidized tip of filler metal before a restart