Study of pipe steel 06GB tendency towards corrosion-fatigue failure in chloride hydrogen sulfide-containing media

Results are provided for corrosion-fatigue testing of large steel 06GB specimens with and without a welded joint with a stress concentrator in air and in a hydrogen sulfide-containing medium according to NACE standard TM 0177-2006. It is shown that steel 06GB in air and in a corrosive medium is quit...

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Bibliographic Details
Published in:Metallurgist (New York) 2012-05, Vol.56 (1-2), p.147-151
Main Authors: Ivanov, E. S., Stepanov, P. P., Ryabov, Yu. V.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Chlorides
Concentrators
Corrosion
Cyclic loads
Fatigue
Fatigue (materials)
Fatigue testing machines
Hydrogen sulfide
Materials
Materials Science
Metallic Materials
Pipe
Steel
Steel products
Steels
Welded joints
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Summary:Results are provided for corrosion-fatigue testing of large steel 06GB specimens with and without a welded joint with a stress concentrator in air and in a hydrogen sulfide-containing medium according to NACE standard TM 0177-2006. It is shown that steel 06GB in air and in a corrosive medium is quite resistant to the action of cyclic loads and surpasses steels 08KhMFChA and Kh60. Stress intensity factor threshold coefficients K th are determined for basic metal and a welded joint. It is established that the basic metal failure mechanism in air and a corrosive medium is ductile.
ISSN:0026-0894
1573-8892
DOI:10.1007/s11015-012-9550-7