Radiographic defects

Porosity

Excessive Penetration

Incomplete Penetration

Burn Through

Internal Concavity

Internal Root Undercut

Root Pass Aligned Porosity

Internal Root Undercut

Lack of Sidewall Fusion

Slag Inclusions

External Undercut

External Concavity

Miss-match

Miss-Match with Lack of penetration

Transverse Cracking

Tungsten Inclusion