From these five (5) defective welds, 55 imperfections and one (1) clear area were assessed
through destructive testing (DT) for comparison with the AUT assessments. These 56 indications
led to about 620 macro sections.
The assessment indications were chosen in order to provide uniform distribution over the entire
weld thickness (see Table 1). Note that the population in the root area is over exaggerated to
provide more information about this critical zone.