Title:
SPECIAL ALLOY SERIES GOLDEN MATERIAL
Document Type and Number:
Japanese Patent JP2619326
Kind Code:
B2
Abstract:
PURPOSE: To provide an inexpensive golden copper alloy for ornaments high in the degree of the goldness, easy to work and furthermore excellent in mechanical properties.
CONSTITUTION: A special copper alloy series golden material of an α phase contg., by weight, 8 to 15% Zn, 1 to 5% Ni, 1 to 5% Sn, 0.1 to 1% Mn and ≤90% Cu is prepd. Or, a special copper allay series golden material of an αphase contg. 8 to 15% Zn, 1 to 5% Ni, 1 to 5% Sn, 0.1 to 1% Mn and ≤90% Cu and improved in tensile strength and hardness by solid solution hardening is prepd.
Inventors:
Takashi Kiyomine
Setouchi Masanori
Setouchi Masanori
Application Number:
JP5023393A
Publication Date:
June 11, 1997
Filing Date:
February 16, 1993
Export Citation:
Assignee:
Kiyomine Shindoh Co., Ltd.
International Classes:
C22C9/04; (IPC1-7): C22C9/04
Domestic Patent References:
| JP61243141A | ||||
| JP4314595B1 |
Other References:
【文献】特許182230(JP,C2)
Attorney, Agent or Firm:
Masakazu Shimura
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