A crack observed at the weld toe:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A crack initiated and localized within a crater:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A discontinuity consisting of slag entrapped in weld metal or at the weld interface:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A form of porosity having a length greater than its width that lies approximately parallel to the weld axis:*

*Rproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A localized array of porosity oriented in a line:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A weld discontinuity in which fusion did not occur between the weld metal and the fusion faces or the adjoining weld beads:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A groove melted into the base metal adjacent to the weld toe or weld root and left unfilled by weld metal:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A groove weld condition in which the weld face or root surface is below the adjacent surface of the base metal:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A localized array of porosity having a random geometric distribution:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

Cavity-type discontinuities formed by gas entrapment during solidification or in a thermal spray deposit:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A crack occurring in the heat-affected zone:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A crack approximately parallel to the joint axis or the weld axis:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A heat-affected zone crack in steel weldments arising from the occurrence of a crack-susceptible microstructure, residual or applied stress, and the presence of hydrogen:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A form of porosity having a length greater than its width that lies approximately perpendicular to the weld face:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A joint root condition in a groove weld in which weld metal does not extend through the joint thickness:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida

A crack with its major axis oriented approximately perpendicular to the weld axis:*

*Reproduced/quoted with permission of the American Welding Society (AWS), Miami, Florida