Development of a New Tool Material to Ensure High Performance in Hot Steel Rolling

A new structure design was presented to prolong the tool life for hot metal working. The tool surface deteriorates quickly when attacked under continuous severe sliding conditions by hot metal at a temperature above 1473 K. Observations were made on guide shoes used in seamless tube rolling to reach...

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Bibliographic Details
Published in:Journal of tribology 1999-10, Vol.121 (4), p.739-745
Main Authors: Tsubouchi, Kenji, Akiyama, Masayoshi, Yamamoto, Eiji, Mase, Toshiro
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Forming
Friction, wear, lubrication
Machine components
Mechanical engineering. Machine design
Metals. Metallurgy
Production techniques
Rolling
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Summary:A new structure design was presented to prolong the tool life for hot metal working. The tool surface deteriorates quickly when attacked under continuous severe sliding conditions by hot metal at a temperature above 1473 K. Observations were made on guide shoes used in seamless tube rolling to reach the conclusion that enlargement of the size and change in the structure of chromium carbide prolong the tool life. This is contrary to the structure design of high-speed steel for which small carbide is recommended. The validity of the new tool was verified both in laboratory tests and in the production line.
ISSN:0742-4787
1528-8897
DOI:10.1115/1.2834130