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C12000 Copper vs. C74400 Nickel Silver

Both C12000 copper and C74400 nickel silver are copper alloys. They have 64% of their average alloy composition in common. There are 29 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 C12000 copper and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 2.8 to 50
43
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
39
Shear Strength, MPa 160 to 240
240
Tensile Strength: Ultimate (UTS), MPa 230 to 410
350
Tensile Strength: Yield (Proof), MPa 77 to 400
120

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 1080
930
Melting Onset (Solidus), °C 1080
910
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 390
120
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
26
Electrical Conductivity: Equal Weight (Specific), % IACS 98
29

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 41
48
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 91
120
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 690
63
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.2 to 13
12
Strength to Weight: Bending, points 9.4 to 14
14
Thermal Diffusivity, mm2/s 110
37
Thermal Shock Resistance, points 8.2 to 15
12

Alloy Composition

Copper (Cu), % 99.9 to 99.996
62 to 66
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Nickel (Ni), % 0
2.0 to 4.0
Phosphorus (P), % 0.0040 to 0.012
0
Zinc (Zn), % 0
29.6 to 36
Residuals, % 0
0 to 0.3