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C70700 Copper-nickel vs. EN AC-42200 Aluminum

C70700 copper-nickel belongs to the copper alloys classification, while EN AC-42200 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is EN AC-42200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
89 to 100
Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 39
3.0 to 6.7
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 46
26
Tensile Strength: Ultimate (UTS), MPa 320
320
Tensile Strength: Yield (Proof), MPa 110
240 to 260

Thermal Properties

Latent Heat of Fusion, J/g 220
500
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1120
610
Melting Onset (Solidus), °C 1060
600
Specific Heat Capacity, J/kg-K 390
910
Thermal Conductivity, W/m-K 59
150
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
40
Electrical Conductivity: Equal Weight (Specific), % IACS 12
140

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 8.9
2.6
Embodied Carbon, kg CO2/kg material 3.4
8.0
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 300
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
9.0 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 51
410 to 490
Stiffness to Weight: Axial, points 7.6
15
Stiffness to Weight: Bending, points 19
53
Strength to Weight: Axial, points 10
34 to 35
Strength to Weight: Bending, points 12
40 to 41
Thermal Diffusivity, mm2/s 17
66
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 0
91 to 93.1
Copper (Cu), % 88.5 to 90.5
0 to 0.050
Iron (Fe), % 0 to 0.050
0 to 0.19
Magnesium (Mg), % 0
0.45 to 0.7
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 9.5 to 10.5
0
Silicon (Si), % 0
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1