TIG CARBON STEEL PIPE 6 INCH SCHED 80 .430" WALL THICKNESS ROOT AND HOT PASS IN JACKSTANDS SCRATCH START

scroll down for details and settings used

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 open butt

JOINT TYPE = BUTT WELD OPEN ROOT WITH 5/32” GAP AND ZERO LAND

POSITION =jackstands

AMPERAGE = 80-85AMPS

TUNGSTEN = 2% LANTHANATED, 3/32"

FILLER WIRE = 1/8” ER70S2

POLARITY = DCEN

GAS FLOW = 20 CFH argon

CUP SIZE = 8

PRE FLOW = MANUAL TORCH VALVE

POST FLOW = MANUAL TORCH VALVE

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

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