Title:
FERRITE STAINLESS STEEL HAVING SUPERIOR WEAR RESISTANCE AT HIGH TEMPERATURE, PRODUCTION METHOD FOR FERRITE STAINLESS STEEL SHEET, EXHAUST COMPONENTS, HIGH-TEMPERATURE SLIDING COMPONENTS, AND TURBOCHARGER COMPONENTS
Document Type and Number:
WIPO Patent Application WO/2018/180643
Kind Code:
A1
Abstract:
This ferrite stainless steel having superior wear resistance at high temperature is characterized by containing, in mass%, 0.003-0.02% of C, 0.05-1.0% of Si, 0.05-1.0% of Mn, 0.01-0.05% of P, 0.0001-0.01% of S, 15-18% of Cr, 0.002-0.02% of N, 0.01-0.20% of Al, 1-3% of Cu, 1.7-3% of Mo, 0.4-0.7% of Nb, and 0.0002-0.0030% of B, the remaining portion being Fe and incidental impurities, wherein 0.06 particles/μm2 or more of a Nb-containing deposit exist at a depth of 20 μm from the surface layer.
Inventors:
HAMADA JUNICHI (JP)
YOSHII CHIKAKO (JP)
YOSHIZAWA TOSHIKI (JP)
YOSHII CHIKAKO (JP)
YOSHIZAWA TOSHIKI (JP)
Application Number:
PCT/JP2018/010619
Publication Date:
October 04, 2018
Filing Date:
March 16, 2018
Export Citation:
Assignee:
NIPPON STEEL & SUMIKIN SST (JP)
International Classes:
C22C38/00; C21D9/46; C22C38/32; C22C38/60
Domestic Patent References:
| WO2013133429A1 | 2013-09-12 |
Foreign References:
| JP2011190468A | 2011-09-29 | |||
| JP2009120894A | 2009-06-04 | |||
| JP2006077300A | 2006-03-23 | |||
| JP2005298854A | 2005-10-27 | |||
| JP2010100909A | 2010-05-06 | |||
| JP2004360003A | 2004-12-24 |
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
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