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C72500 Copper-nickel vs. C82700 Copper

Both C72500 copper-nickel and C82700 copper are copper alloys. They have 89% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C72500 copper-nickel and the bottom bar is C82700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
46
Tensile Strength: Ultimate (UTS), MPa 420 to 780
1200

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 210
300
Melting Completion (Liquidus), °C 1130
950
Melting Onset (Solidus), °C 1060
860
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 54
130
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
20
Electrical Conductivity: Equal Weight (Specific), % IACS 11
21

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 3.6
12
Embodied Energy, MJ/kg 55
180
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.6
7.8
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 24
38
Strength to Weight: Bending, points 14 to 21
29
Thermal Diffusivity, mm2/s 16
39
Thermal Shock Resistance, points 14 to 27
41

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.4 to 2.6
Chromium (Cr), % 0
0 to 0.090
Copper (Cu), % 85.2 to 89.7
94.6 to 96.7
Iron (Fe), % 0 to 0.6
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 8.5 to 10.5
1.0 to 1.5
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 1.8 to 2.8
0 to 0.1
Zinc (Zn), % 0 to 0.5
0 to 0.1
Residuals, % 0
0 to 0.5