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C82400 Copper vs. C72500 Copper-nickel

Both C82400 copper and C72500 copper-nickel are copper alloys. They have 88% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C82400 copper and the bottom bar is C72500 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
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 230
210
Maximum Temperature: Mechanical, °C 270
210
Melting Completion (Liquidus), °C 1000
1130
Melting Onset (Solidus), °C 900
1060
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 130
54
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 26
11

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 8.9
3.6
Embodied Energy, MJ/kg 140
55
Embodied Water, L/kg 310
320

Common Calculations

Stiffness to Weight: Axial, points 7.6
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16 to 33
13 to 24
Strength to Weight: Bending, points 16 to 26
14 to 21
Thermal Diffusivity, mm2/s 39
16
Thermal Shock Resistance, points 17 to 36
14 to 27

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
85.2 to 89.7
Iron (Fe), % 0 to 0.2
0 to 0.6
Lead (Pb), % 0 to 0.020
0 to 0.050
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.2
8.5 to 10.5
Tin (Sn), % 0 to 0.1
1.8 to 2.8
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
0 to 0.5
Residuals, % 0
0 to 0.2