Title:
LONG-LIVED INDUCTION-HARDENED BEARING STEEL
Document Type and Number:
WIPO Patent Application WO/1996/016195
Kind Code:
A1
Abstract:
A long-lived induction-hardened bearing steel capable of producing bearing parts excellent in rolling fatigue resistance at a low cost. The steel contains on a weight basis 0.45-0.7 % C, 0.05-1.7 % Si, 0.35-2 % Mn, 0.001-0.03 % S, 0.01-0.07 % Al, 0.003-0.015 % N, 0.0005-0.03 % T.Mg, optionally 0.05-1.2 % Mo, optionally a specified amount of at least one member selected from among Cr, Ni, V, Nb and B, at most 0.025 % P, at most 0.004 % Ti, and at most 0.002 % T.O, and has a magnesium oxide particle content of 0.8 or above.
Inventors:
OCHI TATSURO (JP)
KAWAUCHI YUJI (JP)
KAWAUCHI YUJI (JP)
Application Number:
PCT/JP1995/002394
Publication Date:
May 30, 1996
Filing Date:
November 24, 1995
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
OCHI TATSURO (JP)
KAWAUCHI YUJI (JP)
OCHI TATSURO (JP)
KAWAUCHI YUJI (JP)
International Classes:
C22C38/00; C22C38/06; C22C38/12; C22C38/14; C22C38/54; (IPC1-7): C22C38/00; C22C38/06; C22C38/58; C22C38/301
Foreign References:
| JPS61117247A | 1986-06-04 | |||
| JPH0678566A | 1994-03-18 | |||
| JPS61213348A | 1986-09-22 | |||
| JPH02194144A | 1990-07-31 |
Other References:
IRON AND STEEL, 68(12), (1982), KAWAKAMI AND TWO OTHERS, S1273.
See also references of EP 0742288A4
See also references of EP 0742288A4
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