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C82400 Copper vs. C77100 Nickel Silver

Both C82400 copper and C77100 nickel silver are copper alloys. They have 54% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C82400 copper and the bottom bar is C77100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 45
45
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
600
Tensile Strength: Yield (Proof), MPa 260 to 970
540

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 270
150
Melting Completion (Liquidus), °C 1000
990
Melting Onset (Solidus), °C 900
950
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 130
40
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 26
8.5

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 8.9
3.5
Embodied Energy, MJ/kg 140
56
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
1280
Stiffness to Weight: Axial, points 7.6
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16 to 33
21
Strength to Weight: Bending, points 16 to 26
20
Thermal Diffusivity, mm2/s 39
13
Thermal Shock Resistance, points 17 to 36
19

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 1.6 to 1.9
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.2 to 0.65
0
Copper (Cu), % 96 to 98.2
52 to 56
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.020
0 to 0.030
Manganese (Mn), % 0
0 to 0.9
Nickel (Ni), % 0 to 0.2
9.0 to 12
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
30.6 to 39
Residuals, % 0
0 to 0.5