Appearance | Observation | Locations | Mechanism | |
---|---|---|---|---|
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Metal thinning on fireside | Deformation » Thinning | SuperheaterWaterwall | Smelt/Slag Attack |
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Fine cracks around studs | Cracking » Not in or near a weld » Transverse | Studded Waterwall | Thermal Fatigue |
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Multiple cracks associated with attachment on outside of tube | Cracking » In or near weld or attachment » Longitudinal or Random | EconomizerWaterwall | Corrosion Fatigue |
Appearance | Observation | Location | Mechanism |