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C12600 Copper vs. C75700 Nickel Silver

Both C12600 copper and C75700 nickel silver are copper alloys. They have 65% of their average alloy composition in common.

For each property being compared, the top bar is C12600 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, % 56
3.2 to 22
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 56
45
Shear Strength, MPa 190
350 to 370
Tensile Strength: Ultimate (UTS), MPa 270
590 to 610
Tensile Strength: Yield (Proof), MPa 69
470 to 580

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1080
1040
Melting Onset (Solidus), °C 1030
990
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 130
40
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
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 110
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 21
930 to 1410
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.2
19 to 20
Strength to Weight: Bending, points 10
19
Thermal Diffusivity, mm2/s 39
12
Thermal Shock Resistance, points 9.5
22 to 23

Alloy Composition


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Copper (Cu), % 99.5 to 99.8
63.5 to 66.5
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
11 to 13
Phosphorus (P), % 0.2 to 0.4
0
Zinc (Zn), % 0
19.2 to 25.5
Residuals, % 0
0 to 0.5