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C81500 Copper vs. C76200 Nickel Silver

Both C81500 copper and C76200 nickel silver are copper alloys. They have 59% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C81500 copper and the bottom bar is C76200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 350
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
1030
Melting Onset (Solidus), °C 1080
980
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 320
45
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 83
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 41
57
Embodied Water, L/kg 310
310

Common Calculations

Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 11
13 to 27
Strength to Weight: Bending, points 12
14 to 23
Thermal Diffusivity, mm2/s 91
14
Thermal Shock Resistance, points 12
13 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
57 to 61
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.020
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
11 to 13.5
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
24.2 to 32
Residuals, % 0 to 0.5
0 to 0.5