Title:
STEEL MATERIAL FOR COLD FORGING
Document Type and Number:
WIPO Patent Application WO/2015/189978
Kind Code:
A1
Abstract:
This steel material contains C, Si, Mn and Al as chemical components, and comprises pearlite as a metal structure. The value obtained by dividing the Mn content, in terms of atomic percentage, contained in cementite in the pearlite by the Mn content, in terms of atomic percentage, contained in ferrite in the pearlite is more than 0 but 5.0 or less.
Inventors:
KOHTAKE TAKAHIKO (JP)
KAWAKAMI KAZUTO (JP)
OKONOGI MAKOTO (JP)
KAWAKAMI KAZUTO (JP)
OKONOGI MAKOTO (JP)
Application Number:
PCT/JP2014/065721
Publication Date:
December 17, 2015
Filing Date:
June 13, 2014
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
C22C38/00; C22C38/58; C21D1/32; C21D8/06; C21D9/52
Domestic Patent References:
| WO2011062012A1 | 2011-05-26 | |||
| WO2013094475A1 | 2013-06-27 | |||
| WO2012053637A1 | 2012-04-26 |
Foreign References:
| JP2004137564A | 2004-05-13 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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