Video shows a 1G AEROSPACE PRACTICE TEST USING COLD ROLLED STEEL 038" at 48 AMPS.
Also compares using pulse settings to straight current.
If you are thinking about an aerospace welding job, edge beads are a great way to practice for a lot of the common tasks in aerospace tig welding.
And as far as practicing for an aerospace welding test goes, that alloys like inconel and cobalt are very expensive.
But if you can run a very consistent bead on plain cold rolled steel then you are well on your way.
AWS D17.1 specification is for Aerospace welding certification.
This is a 3g position using .063" 6061 aluminum.
Filing the sheared edge smooth and wipe with acetone prior to welding.
38 amps full pedal without pulse using .045" CP filler wire
pulse settings ...
100PPS
40% PULSE PEAK
25% BACKGROUND
MAIN AMPS SET TO 100 AMPS USING FOOT PEDAL
The monster coupon is a fairly common test given because it qualifies for a greater range of diameters and thickness. This video shows some techniques for the root.
