TIG WELDING CARBON STEEL ON TURNTABLE 1/4" WALL TUBE TO 3/8" FITTING FILLET WELD

WELD PROCESS = TIG, GTAW, GAS TUNGSTEN ARC WELDING


METAL TYPE = CARBON STEEL

THICKNESS = 1/4” WALL THICKNESS TUBE TO END FITTING

WELD TYPE = FILLET

JOINT TYPE = FITTING INSERTED INSIDE TUBE

POSITION = ROLLED ON TURNTABLE

AMPERAGE = 180-190 AMPS  

TUNGSTEN = 2% LANTHANATED, 3/32"

FILLER WIRE = 3/32” E70S2

POLARITY = DCEN

GAS FLOW = 20 CFH argon

CUP SIZE =  8

ADDITIONAL SETTINGS =   

PRE FLOW = .2 SEC

POST FLOW = 7 SEC

TIPS: KEEP A TIGHT ARC AND MAKE SURE THAT ELECTRODE EXTENSION IS CORRECT TO ALLOW FOR WALKING THE CUP OR FREEHAND TECHNIQUE

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 

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