Title:
STEEL FOR NITROCARBURIZATION, NITROCARBURIZED COMPONENTS, AND PRODUCTION METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2011/114775
Kind Code:
A1
Abstract:
The disclosed steel for nitrocarburization includes, in terms of mass%, less than 0.15% C, 0.01-1.00% Si, 0.01-1.00% Mn, 0.0001-0.050% S, 0.0001-0.050% Al, more than 0.50 but not more than1.50% Ti, and 0.0005-0.0100% N, with the remainder being Fe and unavoidable impurities, wherein the content of P is limited to at most 0.050%, the content of O is limited to at most 0.0060% and the Ti content [Ti%], the C content [C%], the N content [N%] and the S content [S%] satisfy the equation 0.48 < [Ti%] - 47.9 x ([C%] / 12 + [N%] / 14 + [S%] / 32) ≤ 1.20.
Inventors:
KUBOTA MANABU (JP)
Application Number:
PCT/JP2011/051329
Publication Date:
September 22, 2011
Filing Date:
January 25, 2011
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
KUBOTA MANABU (JP)
KUBOTA MANABU (JP)
International Classes:
C22C38/00; C21D1/06; C21D9/28; C21D9/32; C21D9/40; C22C38/60; C23C8/32; C23C8/36; C23C8/56
Foreign References:
JP2006219737A | 2006-08-24 | |||
JP2006022351A | 2006-01-26 | |||
JP2004300473A | 2004-10-28 | |||
JP2000169934A | 2000-06-20 | |||
JPH11323482A | 1999-11-26 | |||
JPH11236646A | 1999-08-31 | |||
JP3849296B2 | 2006-11-22 | |||
JP3353698B2 | 2002-12-03 | |||
JPH11229032A | 1999-08-24 | |||
JP3855418B2 | 2006-12-13 | |||
JP2005281857A | 2005-10-13 | |||
JPH09279295A | 1997-10-28 | |||
JPH0559488A | 1993-03-09 | |||
JP2004003010A | 2004-01-08 | |||
JP4291941B2 | 2009-07-08 | |||
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JPH10306343A | 1998-11-17 | |||
JP2000345292A | 2000-12-12 |
Other References:
See also references of EP 2548986A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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Claims: