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Title:
STEEL SHEET AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2022/209305
Kind Code:
A1
Abstract:
Disclosed, as a steel sheet having excellent energy-absorbing performance during crushing deformation, is a steel sheet having a specific chemical composition and steel structure, in which the steel sheet surface has multiple steps that have a peak-trough difference exceeding 5.0 μm and that are present at intervals of 2.0 mm or less.

Inventors:
TAKEDA KENGO (JP)
NAKANO KATSUYA (JP)
Application Number:
PCT/JP2022/004732
Publication Date:
October 06, 2022
Filing Date:
February 07, 2022
Export Citation:
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Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C21D9/46; B21B1/22; C22C38/00; C22C38/60; C23C2/06
Domestic Patent References:
WO2020184356A12020-09-17
WO2016163469A12016-10-13
WO2017169560A12017-10-05
WO2017169562A12017-10-05
Foreign References:
JP2007291500A2007-11-08
JPH05237505A1993-09-17
JPH06238302A1994-08-30
JPH02274856A1990-11-09
JP2004263295A2004-09-24
JPH10204540A1998-08-04
JPH04253503A1992-09-09
JP6791838B22020-11-25
Other References:
See also references of EP 4317482A4
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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