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- Corrosion layer (1) (entfernen)
During carbon capture and storage (CCS) CO2-corrosion of pipe steels is a relevant safety issue when emission gasses are compressed in deep geological layers. The reliability of the steels 42CrMo4, X20Cr13, X46Cr13 and X35CrMo17 is demonstrated in long term laboratory experiments up to 2 years of exposure time. Testings were carried out at ambient pressure under an equivalent corrosive environment as found at the geological onshore CCS-site at Ketzin, Germany (T=60 °C, aquifer water).