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Patent Searching and Data


Title:
METHOD AND EQUIPMENT FOR MANUFACTURING HOT-ROLLED STEEL STRIP
Document Type and Number:
Japanese Patent JP2004130375
Kind Code:
A
Abstract:

To provide a method and equipment for manufacturing a hot-rolled steel strip which enable a hot-rolled steel strip having superfine ferritic structure to be manufactured.

By the method for manufacturing the hot-rolled steel strip, rolling is performed in the hot finish rolling of a steel strip using a finishing mill composed of a plurality of rolling stands by setting each draft at one rolling stand or two or more adjacent rolling stands including the final rolling stand of the finishing mill to be ≥ 40% and also shape straightening is applied to the hot-rolled steel strip with levelers arranged on the outlet side of each rolling stand which performs rolling with a draft of 40% or more.


Inventors:
MIYAKE MASARU
TAKASHIMA YUKIO
Application Number:
JP2002299834A
Publication Date:
April 30, 2004
Filing Date:
October 15, 2002
Export Citation:
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Assignee:
JFE STEEL KK
International Classes:
B21B1/26; B21D1/05; (IPC1-7): B21B1/26; B21D1/05
Attorney, Agent or Firm:
Yasumitsu Nakahama