Some welders are being required to test using 5/32" 7018 electrodes instead of smaller diameter electrodes like 1/8". In this video, Andrew Cardin Welds a common 3g plate test with a backing strap using 5/32" 7018 electrodes. Controlling the puddle, getting adequate penetration, avoiding undercut, preventing arc blow, and complying with AWS D1.1 acceptance criteria are all important. 130 amps is at the low end of the range for 5/32" 7018. But welding with higher amperage poses problems with unde

Welding 102 - Stringer Beads and Fillet Weld

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