Table 1: Different types of pipe defects and their dimensions.

TypePipe length (mm)DiameterThickness (mm)Damage dimension
Outer (mm)Inner (mm)Depth (mm) (percentage of thickness)Width/diameter (mm)

Defect-free (pipe A)120021.415.62.9
Gouge (pipe B)120021.415.62.91.26 (43.4%)5.92
Dent (pipe C)120021.415.62.91.41 (48.6%)5.21