Title:
STEEL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2022/145061
Kind Code:
A1
Abstract:
Provided is a steel material that has a specific chemical composition satisfying ０．４０［Ｐｒ］＋０．３７［Ｓｍ］＋０．３７［Ｅｕ］＋０．３６［Ｇｄ］＋０．３５［Ｔｂ］＋０．３４［Ｄｙ］＋０．３４［Ｈｏ］＋０．３３［Ｅｒ］＋０．３３［Ｔｍ］＋０．３２［Ｙｂ］＋０．３２［Ｌｕ］＋１．２４［Ｓｃ］－２．３３［Ｏ］－３．９９［Ｎ］－１．７４［Ｓ］ ≧ ０．０００３ (where ［Ｐｒ］、［Ｓｍ］、［Ｅｕ］、［Ｇｄ］、［Ｔｂ］、［Ｄｙ］、［Ｈｏ］、［Ｅｒ］、［Ｔｍ］、［Ｙｂ］、［Ｌｕ］、［Ｓｃ］、［Ｏ］、［Ｎ］、and ［Ｓ］are the contents [mass%] of the respective elements).
Inventors:
ISHIKAWA KYOHEI (JP)
OGISU YASUYUKI (JP)
KIMURA KEN (JP)
UMEHARA MIYURI (JP)
YAMASAKI SHINGO (JP)
OGISU YASUYUKI (JP)
KIMURA KEN (JP)
UMEHARA MIYURI (JP)
YAMASAKI SHINGO (JP)
Application Number:
PCT/JP2021/014738
Publication Date:
July 07, 2022
Filing Date:
April 07, 2021
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C22C38/00; C22C19/03; C22C19/05; C22C38/06; C22C38/60
Domestic Patent References:
| WO2006112428A1 | 2006-10-26 |
Foreign References:
| JP2018024908A | 2018-02-15 | |||
| JP2020186423A | 2020-11-19 | |||
| JP2005520934A | 2005-07-14 | |||
| JP2005226150A | 2005-08-25 | |||
| JPS5877528A | 1983-05-10 | |||
| JPS63235430A | 1988-09-30 | |||
| JPS63235431A | 1988-09-30 | |||
| JP2004269924A | 2004-09-30 |
Other References:
NAOKI MARUYAMA ET AL.: "Form of Nb at an Early Stage of Recovery and Recrystallization in Austenite of Hot-Deformed Steel", J. JAPAN INST. METALS, vol. 60, no. 11, 1996, pages 1051 - 1057
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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