Title:
HIGH-STRENGTH STAINLESS-STEEL WIRE WITH EXCELLENT COLD WORKABILITY AND MOLDED ARTICLE THEREOF
Document Type and Number:
WIPO Patent Application WO/2007/020914
Kind Code:
A1
Abstract:
A high-strength austenitic stainless-steel wire having excellent cold workability, characterized
by having a chemical composition comprising up to 0.08 mass% C, 0.05-1.0 mass%
Si, 0.20-2.0 mass% Mn, up to 0.045 mass% P, up to 0.030 mass% S, 8.0-11.0 mass% Ni,
17.0-20.0 mass% Cr, 1.00-4.00 mass% Cu, and Fe and unavoidable impurities as
the remainder. It is further characterized by being obtained from an austenitic stainless-steel
wire which has undergone finishing with solution treatment after wire drawing
or skin-pass finishing with solution treatment after wire drawing as a raw wire
by subjecting it to cold wire drawing so as to result in a total reduction of area
(R) of 15-80%. Also provided is a molded article of the stainless-steel wire,
such as a screw.
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Inventors:
TORIZUKA SHIRO (JP)
MURAMATSU EIJIRO (JP)
MURAMATSU EIJIRO (JP)
Application Number:
PCT/JP2006/316014
Publication Date:
February 22, 2007
Filing Date:
August 14, 2006
Export Citation:
Assignee:
NAT INST FOR MATERIALS SCIENCE (JP)
TORIZUKA SHIRO (JP)
MURAMATSU EIJIRO (JP)
TORIZUKA SHIRO (JP)
MURAMATSU EIJIRO (JP)
International Classes:
C21D7/02; C21D9/52; C22C38/00; C22C38/44; C22C38/58
Foreign References:
| JPH03193823A | 1991-08-23 | |||
| JPS5729532A | 1982-02-17 | |||
| JPH08176739A | 1996-07-09 | |||
| JPS6360259A | 1988-03-16 | |||
| JP2004250717A | 2004-09-09 | |||
| JPH05271771A | 1993-10-19 |
Attorney, Agent or Firm:
NISHIZAWA, Toshio (11-1 Minami-Aoyama 6-chome, Minato-k, Tokyo 62, JP)
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