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C70700 Copper-nickel vs. EN AC-44100 Aluminum

C70700 copper-nickel belongs to the copper alloys classification, while EN AC-44100 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-44100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 73
59
Elastic (Young's, Tensile) Modulus, GPa 120
72
Elongation at Break, % 39
4.9
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 46
27
Tensile Strength: Ultimate (UTS), MPa 320
180
Tensile Strength: Yield (Proof), MPa 110
87

Thermal Properties

Latent Heat of Fusion, J/g 220
570
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1120
590
Melting Onset (Solidus), °C 1060
580
Specific Heat Capacity, J/kg-K 390
900
Thermal Conductivity, W/m-K 59
130
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
34
Electrical Conductivity: Equal Weight (Specific), % IACS 12
120

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.5
Density, g/cm3 8.9
2.5
Embodied Carbon, kg CO2/kg material 3.4
7.7
Embodied Energy, MJ/kg 52
140
Embodied Water, L/kg 300
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
7.1
Resilience: Unit (Modulus of Resilience), kJ/m3 51
53
Stiffness to Weight: Axial, points 7.6
16
Stiffness to Weight: Bending, points 19
55
Strength to Weight: Axial, points 10
19
Strength to Weight: Bending, points 12
27
Thermal Diffusivity, mm2/s 17
58
Thermal Shock Resistance, points 12
8.2

Alloy Composition

Aluminum (Al), % 0
84.4 to 89.5
Copper (Cu), % 88.5 to 90.5
0 to 0.15
Iron (Fe), % 0 to 0.050
0 to 0.65
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 0.5
0 to 0.55
Nickel (Ni), % 9.5 to 10.5
0 to 0.1
Silicon (Si), % 0
10.5 to 13.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15