Title:
SPRING MEMBER AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2014111836
Kind Code:
A
Abstract:
To provide a spring member capable of being made thinner and excellent in strength and durability, and to provide its manufacturing method.
A spring member 10 formed by non-winding process from a plate material is a Co-Ni-based alloy having a composition containing, by weight ratio, Co of 28 to 42%, Cr of 10 to 27%, Mo of 3 to 12%, Ni of 15 to 40%, Ti of 0.1 to 1.0%, Mn of 1.5% or less, Fe of 0.1 to 26.0%, C of 0.1% or less with inevitable impurities, and at least one kind of Nb of 3.0% or less, W of 5.0% or less, Al of 0.5% or less, Zr of 0.1% or less, and B of 0.01% or less and has a tensile strength of 1500 N/mm2 or more and a hardness of 500 Hv or more.
Inventors:
AKASAKA YASUNORI
TAKAHASHI KYOTARO
KAMATA TAKASHI
SUGAWARA RYO
KOBAYASHI TOMOO
TAKAHASHI KYOTARO
KAMATA TAKASHI
SUGAWARA RYO
KOBAYASHI TOMOO
Application Number:
JP2014001773A
Publication Date:
June 19, 2014
Filing Date:
January 08, 2014
Export Citation:
Assignee:
SEIKO INSTR INC
International Classes:
C22C30/00; B21D28/00; B23K26/40; C21D9/02; C22C19/03; C22C19/07; C22F1/10; F16F1/02; F16F1/10; B23K26/38; C22F1/00
Domestic Patent References:
| JP2009177769A | 2009-08-06 | |||
| JP2009074104A | 2009-04-09 | |||
| JP2008275136A | 2008-11-13 | |||
| JP2004307993A | 2004-11-04 | |||
| JP2009020169A | 2009-01-29 |
Attorney, Agent or Firm:
Masatake Shiga
Shingo Suzuki
Nishizawa Kazumi
Shingo Suzuki
Nishizawa Kazumi