The AWS D1.1 1G Welder Qualification Test

The AWS D1.1 Structural Welding Code (Steel) welder qualification plate tests consists of a groove weld with a 45-degree included angle. The plates are prepared to a knife’s edge and a ¼ in [6 mm] backing strip is used.  The test for unlimited thickness will use plates that are 1 in [25 mm] thick.  Anything […]

Why Are Fillet Break Tests Done for Welder Qualifications

When qualifying a welding procedure specification (WPS) for  fillet welds per Clause 4 of AWS D1.1 Structural Welding Code you must only perform a single test.  You must do macroetches in three locations as shown below. It is assumed that if we can show root fusion at these three locations that our welding procedure is […]

Common Tests for Welder Performance Qualification

The purpose of welder performance qualifications is to ensure that the welder can deposit sound welds.  There are several tests, both destructive and nondestructive, that are used to evaluate a welder’s ability to deposit good welds.  Below are four of the most common test applied for these qualifications:   Visual Inspection (VT) Visual inspection is […]