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C82400 Copper vs. C70400 Copper-nickel

Both C82400 copper and C70400 copper-nickel are copper alloys. They have a moderately high 92% of their average alloy composition in common. There are 25 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 C82400 copper and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 45
45
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
300 to 310
Tensile Strength: Yield (Proof), MPa 260 to 970
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 230
210
Maximum Temperature: Mechanical, °C 270
210
Melting Completion (Liquidus), °C 1000
1120
Melting Onset (Solidus), °C 900
1060
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 130
64
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
14
Electrical Conductivity: Equal Weight (Specific), % IACS 26
14

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 8.9
3.0
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
38 to 220
Stiffness to Weight: Axial, points 7.6
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16 to 33
9.3 to 9.8
Strength to Weight: Bending, points 16 to 26
11 to 12
Thermal Diffusivity, mm2/s 39
18
Thermal Shock Resistance, points 17 to 36
10 to 11

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 1.6 to 1.9
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.2 to 0.65
0
Copper (Cu), % 96 to 98.2
89.8 to 93.6
Iron (Fe), % 0 to 0.2
1.3 to 1.7
Lead (Pb), % 0 to 0.020
0 to 0.050
Manganese (Mn), % 0
0.3 to 0.8
Nickel (Ni), % 0 to 0.2
4.8 to 6.2
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
0 to 1.0
Residuals, % 0
0 to 0.5