Appearance | Observation | Locations | Mechanism | |
---|---|---|---|---|
Multiple cracks associated with attachment on outside of tube | Cracking » In or near weld or attachment » Longitudinal or Random | EconomizerWaterwall | Corrosion Fatigue | |
Longitudinal cracks adjacent to weld | Cracking » In or near weld or attachment » Longitudinal or Random | Superheater | Wrong material/Creep | |
Appearance | Observation | Location | Mechanism |