Inspection and Testing for Fillet Welds (Tee Joints)

This involves visual inspection of the completed weld, followed by two macro etches, and one fillet weld break test.

The welded sample is first inspected for any visual discontinuities and then sectioned, and two small samples removed at predetermined locations.

These small samples are polished across their cross-section and then etched using some type of mild acid mixture, dependent on the base material used.

The remaining welded sample is used as the fillet weld break test and is broken against the weld to reveal the internal structure of the weld for inspection.