Testing butt joints in pipes made of VM12-SHC martensitic steel

VM12-SHC steel is the newest grade of 12% Cr steel developed by the V&M company. At the present moment, there are works being conducted in order to make use of this steel in steam superheaters. It is also planned to implement VM12-SHC steel to the fabrication of water-walls for prototype boilers...

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Bibliographic Details
Published in:Welding international 2014-02, Vol.28 (2), p.85-90, Article 85
Main Authors: Urzynicok, Michał, Kwieciński, Krzysztof, Szubryt, Marian
Format: Article
Language:English
Subjects:
Boilers
Butt joints
Chromium
Chromium steel
Joint strength
Martensitic stainless steels
Materials research
Pipe
Steels
Superheaters
VM12-SHC steel
Welding
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Summary:VM12-SHC steel is the newest grade of 12% Cr steel developed by the V&M company. At the present moment, there are works being conducted in order to make use of this steel in steam superheaters. It is also planned to implement VM12-SHC steel to the fabrication of water-walls for prototype boilers operated at very high temperature and pressure parameters. In this article, test materials and welding consumbables are characterized and the process of preparation of pipes to be welded is discussed. The results of metallographic examination and mechanical testing of the test joints are presented.
ISSN:0950-7116
1754-2138
1754-2138
DOI:10.1080/09507116.2012.708475