Title:
ホットスタンプ用鋼板およびホットスタンプ成形体
Document Type and Number:
Japanese Patent JP7397381
Kind Code:
B2
Abstract:
This steel sheet for hot stamping has the desired chemical composition, and in the metal structure thereof, the pole density in the [112]<110> orientation of a central section in the sheet thickness direction is more than 3.0, ferrite constitutes 5-95% in terms of area ratio, and the number ratio of ferrite grains in which a hard phase is included in the ferrite grain to the total number of ferrite grains is 30% or more.
Inventors:
Shingo Fujinaka
Yuri Toda
Daisuke Maeda
Satoshi Sugaya
Yuri Toda
Daisuke Maeda
Satoshi Sugaya
Application Number:
JP2022550377A
Publication Date:
December 13, 2023
Filing Date:
July 14, 2021
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
C22C38/00; C22C38/58
Domestic Patent References:
| JP2017186645A | ||||
| JP2018090895A | ||||
| JP2010065293A |
Foreign References:
| WO2014123229A1 | ||||
| WO2020026594A1 | ||||
| WO2020166231A1 | ||||
| WO2018033960A1 | ||||
| WO2019009410A1 | ||||
| WO2021145442A1 |
Attorney, Agent or Firm:
Yasushi Matsunuma
Onami Kazunori
Tomoo Katsumata
Hiroshi Yamaguchi
Koichiro Hotta
Kengo Yamaguchi
Yasuhiro Iida
Shota Iguchi
Onami Kazunori
Tomoo Katsumata
Hiroshi Yamaguchi
Koichiro Hotta
Kengo Yamaguchi
Yasuhiro Iida
Shota Iguchi
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