Issue 52

J. Kasivitamnuay et alii, Frattura ed Integrità Strutturale, 52 (2020) 163-180; DOI: 10.3221/IGF-ESIS.52.14

Obtain component data and preliminary inspection data

Characterize the shape and size of the crack

Is level 1 assessment applicable?

No

Yes

Perform a level 1 assessment

Yes

Is component acceptable?

No

Repair or replace component

Perform a level 2 assessment

No

No

Yes

No

Perform a level 3 assessment

Rerate component

Rerate component

Is component acceptable?

No

No

Yes

Yes

Yes

Yes

No

Perform rerate per level 2 criteria to modify pressure and/or temperature

Perform rerate per level 3 criteria to modify pressure and/or temperature

Is component acceptable?

Yes

Is crack has potential to grow in-service?

Return component to service

No

Yes

Perform crack growth analysis

Figure 1: Overview of a cracked component assessment based on the API 579 standard.

165