This video covers Welding a 3G Plate Test 3/8" thick with 1/4" Backing and 1/4" gap using 7018 1/8" at 120 amps
Toward the end of the video, you will see instructions for padding beads vertical uphill using 7018 1/8"
If you have having trouble getting uniform beads on a 3g test, padding beads is a great way to gain consistency
Controlling the puddle, getting adequate penetration, avoiding undercut, preventing arc blow, and complying with AWS D1.1 acceptance criteria are all important.
Some welders are being required to test using 5/32" 7018 electrodes instead of smaller diameter electrodes like 1/8". 130 amps is at the...
This video covers stick welding a 4g Plate test using 7018 1/8" electrode 120-125 amps dcep.
Structural Welding Tests often require both 3G and 4G plates.
3/8" thick plates using 1/4" backing and 1/4" gap
22.5 degree bevel
Stick welding with 5/32" 7018 in 5F position, Round Tube to plate weld with Andrew.