Copper Alloy Strip

Nickel Silver

Compare Features and Typical Applications

Nickel Silver

Alloy name Composition Features Applications
C7701 56Cu-18Ni-26Zn Corrosion resistance, spring properties Quartz resonators, shielding cases
C7521 64Cu-18Ni-18Zn Corrosion resistance Quartz resonators, shielding cases

Compare Composition and Properties

Nickel silver alloy composition and properties

Chemical Composition (wt%)

Copper Alloy Name Nickel Silver
C7521 C7701
Chemical Composition (wt%) Cu : 64.0
Zn : 18.0
Ni : 18.0
Cu : 56.0
Zn : 26.0
Ni : 18.0

Physical Properties

Copper Alloy Name Nickel Silver
C7521 C7701
Specific Gravity (g/cm3) 8.73 8.70
Modulus of Elasticity (GPa) 125 125
Electrical Conductivity (%IACS @20℃) 6 5
Poisson's Ratio 0.33 0.33

Mechanical Properties

Copper Alloy Name Nickel Silver
C7521 C7701
Tensile Strength (MPa) O 375min -
1/4H - -
1/2H 440-570 540-655
H 540min 630-735
EH - 705-805
SH - 765-865
0.2% Yield Strength (MPa) O - -
1/4H - -
1/2H - -
H - -
EH - -
SH - -
Elongation (%) O 20min -
1/4H - -
1/2H 5min 8min
H 3min 4min
EH - -
SH - -
Vickers Hardness (Hv) O - -
1/4H - -
1/2H 120-180 150-210
H 150min 180-240
EH - 210-260
SH - 230-270
  • Standard specs
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