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C82000 Copper vs. C77100 Nickel Silver

Both C82000 copper and C77100 nickel silver are copper alloys. They have 54% of their average alloy composition in common. There are 26 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 C82000 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 0.34
0.31
Shear Modulus, GPa 45
45
Tensile Strength: Ultimate (UTS), MPa 350 to 690
600
Tensile Strength: Yield (Proof), MPa 140 to 520
540

Thermal Properties

Latent Heat of Fusion, J/g 220
180
Maximum Temperature: Mechanical, °C 220
150
Melting Completion (Liquidus), °C 1090
990
Melting Onset (Solidus), °C 970
950
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 260
40
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 46
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 60
27
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 5.0
3.5
Embodied Energy, MJ/kg 77
56
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 80 to 1120
1280
Stiffness to Weight: Axial, points 7.5
7.8
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 11 to 22
21
Strength to Weight: Bending, points 12 to 20
20
Thermal Diffusivity, mm2/s 76
13
Thermal Shock Resistance, points 12 to 24
19

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Beryllium (Be), % 0.45 to 0.8
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 2.2 to 2.7
0
Copper (Cu), % 95.2 to 97.4
52 to 56
Iron (Fe), % 0 to 0.1
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
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
30.6 to 39
Residuals, % 0
0 to 0.5