Title:
FORGED PART, METHOD FOR PRODUCING SAME, AND CONNECTING ROD
Document Type and Number:
WIPO Patent Application WO/2014/148456
Kind Code:
A1
Abstract:
Provided is a forged part comprising a steel which satisfies formula 1 and which has a chemical component composition that contains, in terms of mass %, 0.30-0.45% of C, 0.05-0.35% of Si, 0.50-0.90% of Mn, 0.030-0.070% of P, 0.040-0.070% of S, 0.01-0.50% of Cr, 0.001-0.050% of Al, 0.25-0.35% of V, 0-0.0100% of Ca and 0.0150% or less of N, with the remainder consisting of Fe and unavoidable impurities. The metal structure is a ferrite-pearlite structure and the areal proportion of ferrite is 30% or higher. The Vickers hardness is 320-380 HV. The 0.2% yield strength is 800 MPa or higher. The Charpy V-notch impact value is 7-15 J/cm2.
Inventors:
UENISHI TAKEYUKI (JP)
OWAKI SUSUMU (JP)
KOMA HISANORI (JP)
KITANO TOMOYASU (JP)
TANAHASHI KAZUHIRO (JP)
SHINOHARA NOBUYUKI (JP)
OWAKI SUSUMU (JP)
KOMA HISANORI (JP)
KITANO TOMOYASU (JP)
TANAHASHI KAZUHIRO (JP)
SHINOHARA NOBUYUKI (JP)
Application Number:
PCT/JP2014/057223
Publication Date:
September 25, 2014
Filing Date:
March 18, 2014
Export Citation:
Assignee:
AICHI STEEL CORP (JP)
TOYOTA MOTOR CO LTD (JP)
TOYOTA MOTOR CO LTD (JP)
International Classes:
C22C38/00; C22C38/60; F16C7/02
Foreign References:
| JP2001192762A | 2001-07-17 | |||
| JP2004277841A | 2004-10-07 | |||
| JP2007277705A | 2007-10-25 | |||
| JP2008240129A | 2008-10-09 | |||
| JPH05209220A | 1993-08-20 | |||
| JPH08277437A | 1996-10-22 | |||
| US6083455A | 2000-07-04 | |||
| JP2011032545A | 2011-02-17 | |||
| JP2011195862A | 2011-10-06 |
Other References:
See also references of EP 2977482A4
Attorney, Agent or Firm:
AICHI, Takahashi, Iwakura & Associates (JP)
Patent business corporation あいち international patent firm (JP)
Patent business corporation あいち international patent firm (JP)
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