Filtern
Erscheinungsjahr
- 2023 (3) (entfernen)
Dokumenttyp
- Vortrag (3)
Referierte Publikation
- nein (3)
Schlagworte
- Corrosion (1)
- Desinfektion (1)
- Drinking water installations (1)
- Grabenkorrosion (1)
- Grooving corrosion (1)
- Korrosion (1)
- Risikobewertung (1)
- Steel pipes (1)
- Trinkwasserinstallation (1)
Organisationseinheit der BAM
Eingeladener Vortrag
- nein (3) (entfernen)
In the late 1980s, a new type of corrosion appeared in drinking water installations where galvanized steel pipes failed forming a deep groove with no corrosion at the other surfaces. The reason was discussed quite fiercely between failure analysts and material suppliers. In the end the discussion lead to the solution: inductive welded pipes of a certain sulphur content were prone to selective corrosion. The history of the arguments is discussed using old communications between Wilhelm Schwenk and Wolfgang Stichel, who later published the results in a paper unfortunately only I german.
Thus the knowledge got lost and new cases based on the same material problems are observed in application of so-called C-Steel piping systems. Failure cases are shown.