Type

Crack confined inside the pipe body.

Location

12 technical hours from the pipe, at 16 mm of field weldand at 0.220” of the external pipe surface.

Dimensions

23.36 mm of circumferential length and 0.143” of radial length, Figure 12.

Evaluation

Crack mechanics: Crack located at the “no failure zone”. The failure stress is 74% of the applied stress.

Recomendation

Pipe replacement.

Performed action

Pipe replacement.