COOLING APPARATUS AND COOLING METHOD FOR HOT ROLLING

Title:

COOLING APPARATUS AND COOLING METHOD FOR HOT ROLLING

Document Type and Number:

WIPO Patent Application WO/2011/042934

Kind Code:

A1

Abstract:

Disclosed is a cooling apparatus for hot rolling, which is arranged downstream from a finishing mill for continuous hot rolling and can cool a steel sheet that has been milled on the finishing mill while conveying the steel sheet. The cooling apparatus is equipped with a first pinch roll which can pinch the steel sheet delivered from the last stand in the finishing mill in a zone between the position of the last stand and a position at which the surface temperature of the steel sheet becomes 850°C or lower while applying a tension of 3.9 MPa or more.

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Inventors:

SERIZAWA YOSHIHIRO (JP)
OGAWA SHIGERU (JP)
NAKAMURA YOJI (JP)
AKASHI TOORU (JP)
HISHINUMA NORIYUKI (JP)
KISHIMOTO TETSUO (JP)

Application Number:

PCT/JP2009/005223

Publication Date:

April 14, 2011

Filing Date:

October 07, 2009

Export Citation:

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Assignee:

NIPPON STEEL CORP (JP)
SERIZAWA YOSHIHIRO (JP)
OGAWA SHIGERU (JP)
NAKAMURA YOJI (JP)
AKASHI TOORU (JP)
HISHINUMA NORIYUKI (JP)
KISHIMOTO TETSUO (JP)

International Classes:

B21B45/02; B21B39/08

Foreign References:

JP2003136108A	2003-05-14
JPS62130961A	1987-06-13
JPH0952108A	1997-02-25
JP2001321816A	2001-11-20

Other References: