Title:
METHOD FOR MANUFACTURING COLD-ROLLED STEEL SHEET, AND MANUFACTURING FACILITY
Document Type and Number:
WIPO Patent Application WO/2022/230230
Kind Code:
A1
Abstract:
The method for manufacturing a cold-rolled steel sheet pertaining to the present invention uses a transverse-type full-width heating device that heats a steel sheet across the entire width direction of the steel sheet, and a cold rolling mill that rolls the steel sheet and is disposed downstream in the rolling direction from the transverse-type full-width heating device, the method including a step for heating the steel sheet using the transverse-type full-width heating device so that the temperature of the end parts in the width direction of the steel sheet is higher than the temperature of the central part in the width direction on the entry side of the cold rolling mill.
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Inventors:
HIOKA DAIKI (JP)
MATSUBARA YUKIHIRO (JP)
FUJITA NORIKI (JP)
HINO MASAKI (JP)
ARAKAWA TETSUYA (JP)
OHASHI MIWA (JP)
MATSUBARA YUKIHIRO (JP)
FUJITA NORIKI (JP)
HINO MASAKI (JP)
ARAKAWA TETSUYA (JP)
OHASHI MIWA (JP)
Application Number:
PCT/JP2021/046322
Publication Date:
November 03, 2022
Filing Date:
December 15, 2021
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
B21B1/22; B21B37/74; B21B45/00
Foreign References:
| JP2021030239A | 2021-03-01 | |||
| JPH0523724A | 1993-02-02 | |||
| JP2012148310A | 2012-08-09 | |||
| CN101550480A | 2009-10-07 | |||
| JP2012148310A | 2012-08-09 | |||
| JP2011079025A | 2011-04-21 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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