I hope you enjoy these 3 short videos on TIG welding overhead
TIG Welding overhead is not that different than TIG welding flat or horizontal.
It's just awkward at first.
Once you figure out how to get comfortable, it gets a lot easier.
Base Material Type/Thickness - Cold Rolled Steel aisi 1018 .120" ( 3mm)
Prep Method - 80 grit flap disc followed by acetone wipe
Filler Metal Type/Size ER70S-6 1/16 (1.6mm)
Tungsten size and prep 3/32" 2% lanthanated 30 degree tip
Gas Type and Flow Rate Argon, 20-25CFH
Cup size - #8 gas lens Furick 8 pro clear cup
Current/Polarity - 120 amps dcen
Length of Arc 1/16"
Angle of Travel - approximately 20 degrees give or take ( torch angle is pretty forgiving with a tight arc)
Manipulation/Technique - pause while adding filler...dab, step ahead, pause, dab, etc.
Speed of Travel - 5-6 inches per minute