Welding testCWB Structural Weld Test | Flat 1FG – SMAW February 16, 2021 - Leave a Comment Facebook Twitter Pinterest Weld.comTue, February 16, 2021 3:10amURL:Embed:The CWB is a structural welding test that is given in Canada. It consists of 4 weld tests with a groove and a filet. The first test is a flat test where one plate has a … Facebook Twitter Pinterest