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C70700 Copper-nickel vs. EN AC-44400 Aluminum

C70700 copper-nickel belongs to the copper alloys classification, while EN AC-44400 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-44400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
61
Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 39
4.1
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 46
27
Tensile Strength: Ultimate (UTS), MPa 320
210
Tensile Strength: Yield (Proof), MPa 110
110

Thermal Properties

Latent Heat of Fusion, J/g 220
540
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1120
600
Melting Onset (Solidus), °C 1060
590
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 59
140
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
33
Electrical Conductivity: Equal Weight (Specific), % IACS 12
110

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
7.8
Embodied Energy, MJ/kg 52
150
Embodied Water, L/kg 300
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
7.3
Resilience: Unit (Modulus of Resilience), kJ/m3 51
85
Stiffness to Weight: Axial, points 7.6
15
Stiffness to Weight: Bending, points 19
54
Strength to Weight: Axial, points 10
23
Strength to Weight: Bending, points 12
31
Thermal Diffusivity, mm2/s 17
60
Thermal Shock Resistance, points 12
9.8

Alloy Composition

Aluminum (Al), % 0
87.1 to 92
Copper (Cu), % 88.5 to 90.5
0 to 0.1
Iron (Fe), % 0 to 0.050
0 to 0.65
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 9.5 to 10.5
0 to 0.050
Silicon (Si), % 0
8.0 to 11
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15