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Title:
FORGED STEEL ROLL FOR COLD ROLLING
Document Type and Number:
WIPO Patent Application WO/2023/012906
Kind Code:
A1
Abstract:
The present invention provides a forged steel roll for cold rolling in which the Vickers hardness Hv at 400°C is 400 or greater.

Inventors:
ITO SEIJI (JP)
TAKAHAMA YOSHIKI (JP)
HIRAYAMA KAHO (JP)
HIROKAWA HAKUEI (JP)
HANAORI KAZUYA (JP)
SERA TOMOAKI (JP)
Application Number:
PCT/JP2021/028833
Publication Date:
February 09, 2023
Filing Date:
August 03, 2021
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
International Classes:
B21B27/00; B21B27/02; C22C38/00; C22C38/54
Domestic Patent References:
WO2017154658A12017-09-14
Foreign References:
JPS4638896B11971-11-16
JPS5642665B21981-10-06
JPS61213349A1986-09-22
JPH06210326A1994-08-02
JPS5923846A1984-02-07
JPS569328A1981-01-30
JP2019055419A2019-04-11
JP2012184471A2012-09-27
JPS62109926A1987-05-21
JPH11314105A1999-11-16
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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