- Description
- C77000 /CuNi18Zn27 Copper-Nickel-Zinc alloy with beautiful color, ductility, fatigue resistance, corrosion resistance, good deep drawing performance, it is rich in silver-white metallic luster, has good machinability, corrosion resistance and Mechanical properties, suitable for cold pressure processing, high surface finish after cutting.
As this alloy has the pleasing silver like color, it also called nickel silver.
Chemical Composition:
Cu: 53.5-56.5%
Ni: 16.5.00-19.5%
Fe: 0.25% Max.
Pb: 0.05% Max.
Mn: 0.50% Max.
Zn: Balance
JIS
UNS
EN
Cu%
Ni%
Zn%
C7701
C77000
CuNi18Zn27
53.5-56.5
16.5-19.5
Rem
Mechanical Properties
Mechanical Properties for C77000 alloy
Alloy No
Quality
Tensile
Elongation %
Hardness Test HV
Grade
Strength
£¨Kgf/mm
C77000
1/2H
55~66
¡Ý8
150~210
H
64~75
¡Ý5
180~240
EH
72~82
~
240~260
SH
78~88
~
230~270
Application
C77000 /CuNi18Zn27 - mainly used in Liquid crystal oscillator component housing, medical machinery, slides for potentiometers, precision instruments, architecture, wind instruments, etc.