6g 6 inch pipe Tig Root laywire technique settings and arc shots

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6g pipe root pass

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

METAL TYPE = carbon steel PIPE

THICKNESS = 6 inch schedule 80 pipe wall thickness .430"

WELD TYPE = groove   

JOINT TYPE = BUTT WELD OPEN ROOT WITH 1/8” GAP AND ZERO LANDLAYWIRE TECHNIQUE USING FORWARD AND BACK MOTION

POSITION =6G

AMPERAGE =  115-125 AMPS  

TUNGSTEN = 2% LANTHANATED, 3/32"

FILLER WIRE = 1/8” ER70S2

POLARITY = DCEN

GAS FLOW = 20 CFH argon

CUP SIZE =  8

PRE FLOW =  MANUAL

POST FLOW =  10

ADDITIONAL SETTINGS =   

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

 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

Snip oxidized tip of filler metal before a restart

"laywire" just means leaving the wire in the puddle as opposed to a dip and keyhole technique

The reason for freehand as opposed to walking the cup, is that it allows for a forward and back motion as opposed to sideways.

forward and back can help with getting more push thru on the root pass which is helpful on a weld test.

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