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240.0 Aluminum vs. CC381H Copper-nickel

240.0 aluminum belongs to the aluminum alloys classification, while CC381H copper-nickel belongs to the copper alloys. There are 28 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 240.0 aluminum and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
140
Elongation at Break, % 1.0
20
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
52
Tensile Strength: Ultimate (UTS), MPa 240
380
Tensile Strength: Yield (Proof), MPa 200
140

Thermal Properties

Latent Heat of Fusion, J/g 380
240
Maximum Temperature: Mechanical, °C 180
260
Melting Completion (Liquidus), °C 600
1180
Melting Onset (Solidus), °C 520
1120
Specific Heat Capacity, J/kg-K 860
410
Thermal Conductivity, W/m-K 96
30
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 65
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
40
Density, g/cm3 3.2
8.9
Embodied Carbon, kg CO2/kg material 8.7
5.0
Embodied Energy, MJ/kg 150
73
Embodied Water, L/kg 1100
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
60
Resilience: Unit (Modulus of Resilience), kJ/m3 280
68
Stiffness to Weight: Axial, points 12
8.6
Stiffness to Weight: Bending, points 43
19
Strength to Weight: Axial, points 20
12
Strength to Weight: Bending, points 26
13
Thermal Diffusivity, mm2/s 35
8.4
Thermal Shock Resistance, points 11
13

Alloy Composition

Aluminum (Al), % 81.7 to 86.9
0 to 0.010
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 7.0 to 9.0
64.5 to 69.9
Iron (Fe), % 0 to 0.5
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 5.5 to 6.5
0
Manganese (Mn), % 0.3 to 0.7
0.6 to 1.2
Nickel (Ni), % 0.3 to 0.7
29 to 31
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.5
Residuals, % 0 to 0.15
0