Title:
NON-AUSTEMPERED SPHEROIDAL GRAPHITE CAST IRON
Document Type and Number:
WIPO Patent Application WO/2000/075387
Kind Code:
A1
Abstract:
A non-austempered spheroidal graphite cast iron obtained without austempering, and having a tensile strength of 650 to 850 MPa and an elongation of 7.0 to 14.5%, wherein a fatigue limit of its V-notched material is at least 290 MPa, the spheroidal graphite cast iron having well-balanced mechanical properties of a tensile strength and elongation and being highly strong and tenacious with improved tensile strength and elongation.
Inventors:
SUZUKI KATSUMI (JP)
NAKAJIMA NORIYUKI (JP)
OHBA YOSHIO (JP)
ONO TAKAHIRO (JP)
NAKAJIMA NORIYUKI (JP)
OHBA YOSHIO (JP)
ONO TAKAHIRO (JP)
Application Number:
PCT/JP2000/003700
Publication Date:
December 14, 2000
Filing Date:
June 07, 2000
Export Citation:
Assignee:
ASAHI TEC CORP (JP)
SUZUKI KATSUMI (JP)
NAKAJIMA NORIYUKI (JP)
OHBA YOSHIO (JP)
ONO TAKAHIRO (JP)
SUZUKI KATSUMI (JP)
NAKAJIMA NORIYUKI (JP)
OHBA YOSHIO (JP)
ONO TAKAHIRO (JP)
International Classes:
C22C33/08; C22C37/04; C22C37/08; C22C37/10; C21D1/84; C21D5/02; (IPC1-7): C22C37/04
Foreign References:
| JPS61288011A | 1986-12-18 | |||
| US4889687A | 1989-12-26 | |||
| JPH0841581A | 1996-02-13 |
Other References:
See also references of EP 1225239A4
Attorney, Agent or Firm:
Watanabe, Kazuhira (Asakusabashi 3-chome Taito-ku, Tokyo, JP)
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