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C72150 Copper-nickel vs. C77100 Nickel Silver

Both C72150 copper-nickel and C77100 nickel silver are copper alloys. They have 65% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C72150 copper-nickel and the bottom bar is C77100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 150
110
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 55
45
Tensile Strength: Ultimate (UTS), MPa 490
600
Tensile Strength: Yield (Proof), MPa 210
540

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 600
150
Melting Completion (Liquidus), °C 1210
990
Melting Onset (Solidus), °C 1250
950
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 22
40
Thermal Expansion, µm/m-K 14
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.6
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 45
27
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 6.1
3.5
Embodied Energy, MJ/kg 88
56
Embodied Water, L/kg 270
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 150
1280
Stiffness to Weight: Axial, points 9.1
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 15
20
Thermal Diffusivity, mm2/s 6.0
13
Thermal Shock Resistance, points 18
19

Alloy Composition

Carbon (C), % 0 to 0.1
0
Copper (Cu), % 52.5 to 57
52 to 56
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.050
0 to 0.030
Manganese (Mn), % 0 to 0.050
0 to 0.9
Nickel (Ni), % 43 to 46
9.0 to 12
Silicon (Si), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.2
30.6 to 39
Residuals, % 0
0 to 0.5