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Titanium Tube Crack

The crack on the titanium tubes which is the surface of condenser, was found during the commissioning.

There are a few causes of tube damage which may occur by one or more combined mechanisms during operation as below.

  1. Erosion at steam side
  2. Damage by impact
  3. Condensate corrosion
  4. Stress corrosion cracking at steam side
  5. Fretting and fretting corrosion from tube vibration
  6. Tube impact damage from tube vibration

Fatigue and corrosion fatigue from tube vibration

1

Horizontal Crack

2

Longitudinal Crack

3

Leakage at longitudinal crack

4

Leakage at horizontal crack

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