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C72500 Copper-nickel vs. C97400 Nickel Silver

Both C72500 copper-nickel and C97400 nickel silver are copper alloys. They have 72% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C72500 copper-nickel and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
44
Tensile Strength: Ultimate (UTS), MPa 420 to 780
260

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 1130
1100
Melting Onset (Solidus), °C 1060
1070
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 54
27
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 35
33
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 3.6
4.1
Embodied Energy, MJ/kg 55
64
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.6
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 24
8.5
Strength to Weight: Bending, points 14 to 21
11
Thermal Diffusivity, mm2/s 16
8.3
Thermal Shock Resistance, points 14 to 27
8.8

Alloy Composition

Copper (Cu), % 85.2 to 89.7
58 to 61
Iron (Fe), % 0 to 0.6
0 to 1.5
Lead (Pb), % 0 to 0.050
4.5 to 5.5
Manganese (Mn), % 0 to 0.2
0 to 0.5
Nickel (Ni), % 8.5 to 10.5
15.5 to 17
Tin (Sn), % 1.8 to 2.8
2.5 to 3.5
Zinc (Zn), % 0 to 0.5
10 to 19.5
Residuals, % 0
0 to 1.0