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C82400 Copper vs. C79200 Nickel Silver

Both C82400 copper and C79200 nickel silver are copper alloys. They have 63% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C82400 copper and the bottom bar is C79200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 45
44
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
480 to 540

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 270
170
Melting Completion (Liquidus), °C 1000
950
Melting Onset (Solidus), °C 900
910
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 130
42
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
28
Electrical Conductivity: Equal Weight (Specific), % IACS 26
30

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 8.9
3.6
Embodied Energy, MJ/kg 140
56
Embodied Water, L/kg 310
310

Common Calculations

Stiffness to Weight: Axial, points 7.6
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16 to 33
16 to 18
Strength to Weight: Bending, points 16 to 26
16 to 18
Thermal Diffusivity, mm2/s 39
13
Thermal Shock Resistance, points 17 to 36
16 to 18

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
59 to 66.5
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 0 to 0.020
0.8 to 1.4
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.2
11 to 13
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
17.9 to 29.2
Residuals, % 0
0 to 0.5