Welding testFlux Core Welding Certification Test – 3g Dual Shield Structural Plate test February 22, 2021 - Leave a Comment Facebook Twitter Pinterest weldingtipsandtricksMon, February 22, 2021 12:43amURL:Embed:This Video shows a few Tips for passing a plate welding test. A common test for shipyards and lots of other structural welding jobs is a 3g and 4g plate test. Facebook Twitter Pinterest