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Development of super short interval multi-pass rollingtechnology for ultra fine-grained hot strip

Published online by Cambridge University Press:  26 August 2006

M. Eto ,
T. Sasaki ,
S. Fukushima ,
T. Shibahara ,
K. Miyata  and
M. Wakita
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Abstract

A new SSMR process to produce ultra-fine-grained hot strip is introduced,featuring: closely spaced rolling stands, continuous highspeed rolling with moderately large reductions rolling, rapid interpasscooling and rapid finish rolling cooling. An ultra-fine-grained CMnsteel strip (1μm) is obtained with a 700 MPa yield stress. Aproper choice of the work roll diameter and a careful control of thefriction coefficient should make it possible to keep the rolling forceat a level compatible with the design capacity of a conventional rollingmill.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 103 , Issue 7-8: Laminage à chaudLaminage à froidCoulée continue , July 2006 , pp. 319 - 325
Copyright
© La Revue de Métallurgie, 2006

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