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Catastrophic failure associated with weld overlay
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Comments
Hydrogen damage is an under-deposit corrosion mechanism. Weld overlay exacerbates hydrogen damage. All affected tubes must be replaced.
Issue Type:
Cracking » In or near weld or attachment » TransverseLocations:
WaterwallBoiler Type:
PowerIndustry:
Electric UtilityMechanism:
Hydrogen Damage
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Catastrophic failure associated with weld overlay