Title:
HOT-STAMP FORMED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2023/234337
Kind Code:
A1
Abstract:
This hot-stamp formed article has a prescribed chemical composition, and at a location 1/4 of the sheet thickness from the surface thereof and in a prior-austenite texture, the maximum pole density of an orientation group, expressed by Euler angle Φ = 60-90°, φ1 = 60-90° and φ2 = 45°, is at least 3.0, and the average block particle size of martensite, tempered martensite, and bainite is not more than 1.20 μm.
Inventors:
ASADA YUMA (JP)
YABU SHOHEI (JP)
TODA YURI (JP)
OGISU YASUYUKI (JP)
SUZUKI TAMAKI (JP)
YABU SHOHEI (JP)
TODA YURI (JP)
OGISU YASUYUKI (JP)
SUZUKI TAMAKI (JP)
Application Number:
PCT/JP2023/020238
Publication Date:
December 07, 2023
Filing Date:
May 31, 2023
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C22C38/00; C21D1/18; C21D9/00; C22C38/60; C21D8/02; C21D9/46
Domestic Patent References:
| WO2019186930A1 | 2019-10-03 | |||
| WO2021230149A1 | 2021-11-18 | |||
| WO2021230150A1 | 2021-11-18 | |||
| WO2019003539A1 | 2019-01-03 | |||
| WO2022239731A1 | 2022-11-17 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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