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C81500 Copper vs. C75700 Nickel Silver

Both C81500 copper and C75700 nickel silver are copper alloys. They have 65% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C81500 copper and the bottom bar is C75700 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 17
3.2 to 22
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
45
Tensile Strength: Ultimate (UTS), MPa 350
590 to 610
Tensile Strength: Yield (Proof), MPa 280
470 to 580

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1090
1040
Melting Onset (Solidus), °C 1080
990
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 320
40
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 83
8.6

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

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 330
930 to 1410
Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
19 to 20
Strength to Weight: Bending, points 12
19
Thermal Diffusivity, mm2/s 91
12
Thermal Shock Resistance, points 12
22 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
63.5 to 66.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.020
0 to 0.050
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
19.2 to 25.5
Residuals, % 0 to 0.5
0 to 0.5