Title:
HIGH-STRENGTH HIGH-DUCTILITY STEEL SHEET
Document Type and Number:
WIPO Patent Application WO/2016/084847
Kind Code:
A1
Abstract:
A high-strength, high-ductility steel sheet including a characteristic alloy component, the steel structure thereof including 8 area% residual austenite with respect to the entire structure, the remainder being one or more of bainite, martensite, tempering bainite, and tempering martensite, and the average carbon concentration and the standard deviation of the carbon concentration distribution in the residual austenite each being in a specific range.
Inventors:
MURAKAMI TOSHIO
OTANI SHIGEO
OTANI SHIGEO
Application Number:
PCT/JP2015/083078
Publication Date:
June 02, 2016
Filing Date:
November 25, 2015
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
C22C38/00; C22C38/06; C22C38/58; C21D9/46
Domestic Patent References:
| WO2011093490A1 | 2011-08-04 |
Foreign References:
| JP2011157583A | 2011-08-18 | |||
| JP2010065273A | 2010-03-25 | |||
| JP2005336526A | 2005-12-08 | |||
| JP2005179703A | 2005-07-07 | |||
| US20060011274A1 | 2006-01-19 |
Other References:
See also references of EP 3225708A4
Attorney, Agent or Firm:
Eikoh Patent Firm, P. C. et al. (JP)
Patent business corporation glory patent firm (JP)
Patent business corporation glory patent firm (JP)
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