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C81500 Copper vs. C79200 Nickel Silver

Both C81500 copper and C79200 nickel silver are copper alloys. They have 63% of their average alloy composition in common. There are 24 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 C81500 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 0.34
0.32
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 350
480 to 540

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
950
Melting Onset (Solidus), °C 1080
910
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 320
42
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
28
Electrical Conductivity: Equal Weight (Specific), % IACS 83
30

Otherwise Unclassified Properties

Base Metal Price, % relative 31
30
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 41
56
Embodied Water, L/kg 310
310

Common Calculations

Stiffness to Weight: Axial, points 7.3
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
16 to 18
Strength to Weight: Bending, points 12
16 to 18
Thermal Diffusivity, mm2/s 91
13
Thermal Shock Resistance, points 12
16 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
59 to 66.5
Iron (Fe), % 0 to 0.1
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
11 to 13
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
17.9 to 29.2
Residuals, % 0 to 0.5
0 to 0.5