Title:
FERRITIC STAINLESS STEEL
Document Type and Number:
WIPO Patent Application WO/2018/116792
Kind Code:
A1
Abstract:
Provided is a ferritic stainless steel sheet which has excellent scale adhesion and thermal fatigue characteristics, while exhibiting excellent condensed water corrosion resistance. This ferritic stainless steel sheet is configured to have a composition that contains, in mass%, 0.010% or less of C, 1.0% or less of Si, 1.0% or less of Mn, 0.040% or less of P, 0.030% or less of S, from 17.0% to 18.5% (inclusive) of Cr, 0.015% or less of N, from 0.40% to 0.80% (inclusive) of Nb, from 0.10% to 0.40% (inclusive) of Ti, 0.20% or less of Al, from 0.05% to 0.40% (inclusive) of Ni, from 0.01% to 0.30% (inclusive) of Co, from 0.02% to 0.30% (inclusive) of Mo and from 0.02% to 0.40% (inclusive) of Cu, with the balance made up of Fe and unavoidable impurities, while satisfying the following formula (1). C% + N% ≤ 0.018% (1) In formula (1), C% and N% respectively represent the content (mass%) of C and the content (mass%) of N.
Inventors:
NAKAMURA TETSUYUKI (JP)
ISHIKAWA SHIN (JP)
SUGIHARA REIKO (JP)
ISHIKAWA SHIN (JP)
SUGIHARA REIKO (JP)
Application Number:
PCT/JP2017/043381
Publication Date:
June 28, 2018
Filing Date:
December 04, 2017
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C22C38/00; C22C38/52; C22C38/54; C21D9/46
Domestic Patent References:
| WO2013179616A1 | 2013-12-05 |
Foreign References:
| JP2014145097A | 2014-08-14 | |||
| JP2013209726A | 2013-10-10 | |||
| JP2015532681A | 2015-11-12 | |||
| JP2016204714A | 2016-12-08 | |||
| US20150345361A1 | 2015-12-03 | |||
| JPH04224657A | 1992-08-13 | |||
| JPH0570897A | 1993-03-23 | |||
| JP2004218013A | 2004-08-05 | |||
| JP2008240143A | 2008-10-09 | |||
| JP2009174040A | 2009-08-06 | |||
| JPS555570B2 | 1980-02-07 |
Other References:
See also references of EP 3517647A4
Attorney, Agent or Firm:
KUMASAKA Akira et al. (JP)
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