Eigenschaften des Werkstoffs X 20 CrMoV 12 1 nach Betriebs-Beanspruchung und Zeitstand-Schaedigung
Since 1959, the material X 20 CrMoV 12 1 has been used in high-pressure pipework of power plants. Through many years of operating experience, the steel has proved itself as being totally outstanding. Examinations of a pipe section which had been in service for more than 200 000 hours confirms the excellent condition of the material, which corresponds substantially with the supply condition standards. Remaining operating time of more than 200 00 hours has been indicated for the continuing operation of the pipework. The paper reports on isolated incidents of defects which have occurred.(Author abstract)
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