Title:
STAINLESS STEEL POWDER, STAINLESS STEEL MEMBER, AND STAINLESS STEEL MEMBER MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/157425
Kind Code:
A1
Abstract:
Provided is a stainless steel powder from which it is possible to manufacture a stainless steel member having excellent high temperature yield strength and oxidation resistance. This stainless steel powder has a component composition that contains, in mass%, 0.20% or less of C, 2.0% or less of Si, 2.0% or less of Mn, 0.040% or less of P, 0.010% or less of S, 18.0-35.0% of Cr, 1.0% or less of Ni, 0.50-4.0% of Cu, 0.7-3.0% of Nb, 6.0% or less of Mo, 6.0% or less of W, 0.030% or less of N, and 0.10% or less of O, and that satisfies formula (1), the remaining portion being Fe and unavoidable impurities. (1): (Mo+W)≥2.0, wherein Mo and W in formula (1) are the contained amounts (mass%) of Mo and W, respectively.
Inventors:
MIZUTANI AKITO (JP)
TAKASHITA TAKUYA (JP)
NAKAMURA TETSUYUKI (JP)
GAO FAGANG (JP)
HORIUCHI JUN (JP)
TAKASHITA TAKUYA (JP)
NAKAMURA TETSUYUKI (JP)
GAO FAGANG (JP)
HORIUCHI JUN (JP)
Application Number:
PCT/JP2022/044457
Publication Date:
August 24, 2023
Filing Date:
December 01, 2022
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C22C33/02; B22F1/00; B22F10/28; B33Y70/00; B33Y80/00; C22C38/00; C22C38/58; C22C38/60
Domestic Patent References:
| WO2014136866A1 | 2014-09-12 |
Foreign References:
| JP2012117084A | 2012-06-21 | |||
| JP2020158842A | 2020-10-01 | |||
| JP2019119913A | 2019-07-22 | |||
| JP2017150016A | 2017-08-31 |
Attorney, Agent or Firm:
KUMASAKA Akira et al. (JP)
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