Corrosion resistance of different steel grades in the geothermal fluid of Molasse Basin

Long‐term corrosion resistance of carbon steels grade API L80 and API Q125 has been evaluated by means of electrochemical measurements and exposure tests in the Molasse Basin, one of the most important geothermal fluids in Europe. In addition, the localized corrosion resistance of the duplex stainle...

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Bibliographic Details
Published in:Materials and corrosion 2013-09, Vol.64 (9), p.764-771
Main Authors: Klapper, H. S., Bäßler, R., Sobetzki, J., Weidauer, K., Stürzbecher, D.
Format: Article
Language:English
Subjects:
Alloy steels
Applied sciences
Austenitic stainless steels
carbon steel
Carbon steels
Corrosion
Corrosion environments
Corrosion resistance
Corrosion resistant steels
crevice corrosion
duplex steel
Exact sciences and technology
Fluid flow
Geothermal
Heat resistant steels
High strength low alloy steels
Metals. Metallurgy
pitting corrosion
stainless steel
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Summary:Long‐term corrosion resistance of carbon steels grade API L80 and API Q125 has been evaluated by means of electrochemical measurements and exposure tests in the Molasse Basin, one of the most important geothermal fluids in Europe. In addition, the localized corrosion resistance of the duplex stainless steel alloy 2205 and the austenitic stainless steel grade 316L was determined at 100 and 150 °C. In general, investigated materials showed a remarkable resistance to uniform and localized corrosion. Their corrosion behaviour at service conditions is discussed in this paper.
ISSN:0947-5117
1521-4176
DOI:10.1002/maco.201106430