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C71580 Copper-nickel vs. C76400 Nickel Silver

Both C71580 copper-nickel and C76400 nickel silver are copper alloys. They have 79% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C71580 copper-nickel and the bottom bar is C76400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
120
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 51
46
Tensile Strength: Ultimate (UTS), MPa 330
590 to 610

Thermal Properties

Latent Heat of Fusion, J/g 230
200
Maximum Temperature: Mechanical, °C 260
190
Melting Completion (Liquidus), °C 1180
990
Melting Onset (Solidus), °C 1120
950
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 39
31
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
6.1

Otherwise Unclassified Properties

Base Metal Price, % relative 41
32
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 5.1
4.1
Embodied Energy, MJ/kg 74
63
Embodied Water, L/kg 280
300

Common Calculations

Stiffness to Weight: Axial, points 8.5
8.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 10
19 to 20
Strength to Weight: Bending, points 12
18 to 19
Thermal Diffusivity, mm2/s 11
9.3
Thermal Shock Resistance, points 11
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.070
0
Copper (Cu), % 65.5 to 71
58.5 to 61.5
Iron (Fe), % 0 to 0.5
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.3
0 to 0.5
Nickel (Ni), % 29 to 33
16.5 to 19.5
Zinc (Zn), % 0 to 0.050
17.7 to 25
Residuals, % 0
0 to 0.5