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C82400 Copper vs. C70700 Copper-nickel

Both C82400 copper and C70700 copper-nickel are copper alloys. They have 90% of their average alloy composition in common. There are 27 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 C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 1.0 to 20
39
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 45
46
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
320
Tensile Strength: Yield (Proof), MPa 260 to 970
110

Thermal Properties

Latent Heat of Fusion, J/g 230
220
Maximum Temperature: Mechanical, °C 270
220
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
59
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
11
Electrical Conductivity: Equal Weight (Specific), % IACS 26
12

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 8.9
3.4
Embodied Energy, MJ/kg 140
52
Embodied Water, L/kg 310
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 83
100
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
51
Stiffness to Weight: Axial, points 7.6
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16 to 33
10
Strength to Weight: Bending, points 16 to 26
12
Thermal Diffusivity, mm2/s 39
17
Thermal Shock Resistance, points 17 to 36
12

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
88.5 to 90.5
Iron (Fe), % 0 to 0.2
0 to 0.050
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.2
9.5 to 10.5
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.5