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C81500 Copper vs. C74400 Nickel Silver

Both C81500 copper and C74400 nickel silver are copper alloys. They have 64% 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 C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 17
43
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
39
Tensile Strength: Ultimate (UTS), MPa 350
350
Tensile Strength: Yield (Proof), MPa 280
120

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 1090
930
Melting Onset (Solidus), °C 1080
910
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 320
120
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
26
Electrical Conductivity: Equal Weight (Specific), % IACS 83
29

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 8.9
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 56
120
Resilience: Unit (Modulus of Resilience), kJ/m3 330
63
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
12
Strength to Weight: Bending, points 12
14
Thermal Diffusivity, mm2/s 91
37
Thermal Shock Resistance, points 12
12

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
62 to 66
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.020
0 to 0.050
Nickel (Ni), % 0
2.0 to 4.0
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
29.6 to 36
Residuals, % 0 to 0.5
0 to 0.3