Dew Point Corrosion in Heat Exchangers

Project example electrolytic corrosion
• Specific test setup
• Aggressive media


  • When natural gas is combusted, sulphur dioxide and water are produced
  • Formation of sulphuric acid contained in low concentrations in the exhaust gas
  • Condensation leads to concentrated acid and thus to so-called dew point corrosion
  • For the dew point corrosion of aluminium heat exchangers, a corrosion model had to be developed through detailed studies


  • Design and construction of a special test setup for the simulation of dew point corrosion conditions
  • Mechanistic investigations and modelling of dew point corrosion on cast aluminium alloys

Customer Benefit

  • A corrosion model was developed based on the simulation of dew point corrosion on aluminium heat exchangers
  • This enables an assessment of the service life and the derivation of optimised operating conditions

Contact Us

We will be happy to help you personally.

To Contact Form

Your Contact

Dr. Stephan Lederer
Coordinator DECHEMA Corrosion Center
T +49 69 7564-222