Title:
STEEL SHEET AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2022/209306
Kind Code:
A1
Abstract:
Disclosed in a steel sheet that makes it possible to reduce damage to a mold during cold pressing, that has a predetermined chemical composition and steel structure, and wherein a plurality of steps having a height difference exceeding 5.0 μm are present at intervals of 2.0 mm or less in the sheet surface.
Inventors:
NAKANO KATSUYA (JP)
Application Number:
PCT/JP2022/004734
Publication Date:
October 06, 2022
Filing Date:
February 07, 2022
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C21D9/46; B21B1/22; C22C38/00; C22C38/60
Domestic Patent References:
| WO2020184356A1 | 2020-09-17 | |||
| WO2016163469A1 | 2016-10-13 | |||
| WO2017169560A1 | 2017-10-05 | |||
| WO2017169562A1 | 2017-10-05 |
Foreign References:
| JP2007291500A | 2007-11-08 | |||
| JPH05237505A | 1993-09-17 | |||
| JPH06238302A | 1994-08-30 | |||
| JPH02274856A | 1990-11-09 | |||
| JP2004263295A | 2004-09-24 | |||
| JPH10204540A | 1998-08-04 | |||
| JPH04253503A | 1992-09-09 | |||
| JP6791838B2 | 2020-11-25 |
Other References:
See also references of EP 4317483A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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