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Title:
IRON-BASED ALLOY AND METHOD FOR PRODUCING IRON-BASED ALLOY
Document Type and Number:
WIPO Patent Application WO/2020/050229
Kind Code:
A1
Abstract:
The present invention provides an iron-based alloy having excellent corrosion resistance and high strength, and a method for producing the iron-based alloy. An iron-based alloy of the present invention includes Cr: 10-22 mass%, W: 1-12 mass%, and C: 0.1-2.3 mass%, with the balance being unavoidable impurities and Fe, and is made of a cast material having a structure essentially composed of austenite, or, a quenched material having a structure essentially composed of martensite, and in which carbide is precipitated. Additionally, the iron-based alloy may include Cu: 0.5-6 mass%, and/or, Ni: 0.5-2.5 mass%, and at least one among Al, Mo, and Si: 1-3 mass%.

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Inventors:
YAMANAKA KENTA (JP)
CHIBA AKIHIKO (JP)
Application Number:
PCT/JP2019/034481
Publication Date:
March 12, 2020
Filing Date:
September 02, 2019
Export Citation:
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Assignee:
UNIV TOHOKU (JP)
International Classes:
C22C38/00; C21D6/00; C22C37/08; C22C38/22; C22C38/44
Foreign References:
JPS57126956A1982-08-06
JP2005330581A2005-12-02
JPS563681A1981-01-14
JPH01272745A1989-10-31
JPS5642665B21981-10-06
EP1736563A12006-12-27
JP4952888B22012-06-13
JP2017051253A2017-03-16
JP2017166066A2017-09-21
Other References:
See also references of EP 3848478A4
Attorney, Agent or Firm:
SUDA Atsushi et al. (JP)
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