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Boiler Tube Failure Handbook

Home » Boiler Tube Failure Handbook » Cracking » Not in or near a weld » Fine cracks around studs

Fine cracks around studs

Studded Tube Thermal Fatigue CNT1a

Studded Tube Thermal Fatigue CNT1a1

Click on images to enlarge.


Comments

Thermal cycling from intermittent wetting by slag/smelt causes fatigue.

Issue Type:
Cracking » Not in or near a weld » Transverse
Locations:
Studded Waterwall
Boiler Type:
Recovery
Industry:
Pulp and Paper
Mechanism:
Thermal Fatigue

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Fine cracks around studs

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