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C72500 Copper-nickel vs. C82400 Copper

Both C72500 copper-nickel and C82400 copper 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 C72500 copper-nickel and the bottom bar is C82400 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
45
Tensile Strength: Ultimate (UTS), MPa 420 to 780
500 to 1030

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 210
270
Melting Completion (Liquidus), °C 1130
1000
Melting Onset (Solidus), °C 1060
900
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
25
Electrical Conductivity: Equal Weight (Specific), % IACS 11
26

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.6 to 1.9
Chromium (Cr), % 0
0 to 0.1
Cobalt (Co), % 0
0.2 to 0.65
Copper (Cu), % 85.2 to 89.7
96 to 98.2
Iron (Fe), % 0 to 0.6
0 to 0.2
Lead (Pb), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 8.5 to 10.5
0 to 0.2
Tin (Sn), % 1.8 to 2.8
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Zinc (Zn), % 0 to 0.5
0 to 0.1
Residuals, % 0
0 to 0.5