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A380.0 Aluminum vs. C71520 Copper-nickel

A380.0 aluminum belongs to the aluminum alloys classification, while C71520 copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 A380.0 aluminum and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
140
Elongation at Break, % 3.3
10 to 45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
51
Shear Strength, MPa 190
250 to 340
Tensile Strength: Ultimate (UTS), MPa 290
370 to 570
Tensile Strength: Yield (Proof), MPa 160
140 to 430

Thermal Properties

Latent Heat of Fusion, J/g 510
230
Maximum Temperature: Mechanical, °C 170
260
Melting Completion (Liquidus), °C 590
1170
Melting Onset (Solidus), °C 550
1120
Specific Heat Capacity, J/kg-K 870
400
Thermal Conductivity, W/m-K 96
32
Thermal Expansion, µm/m-K 22
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
5.7
Electrical Conductivity: Equal Weight (Specific), % IACS 78
5.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
40
Density, g/cm3 2.9
8.9
Embodied Carbon, kg CO2/kg material 7.5
5.0
Embodied Energy, MJ/kg 140
73
Embodied Water, L/kg 1040
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
54 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
67 to 680
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 48
19
Strength to Weight: Axial, points 28
12 to 18
Strength to Weight: Bending, points 34
13 to 17
Thermal Diffusivity, mm2/s 38
8.9
Thermal Shock Resistance, points 13
12 to 19

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 3.0 to 4.0
65 to 71.6
Iron (Fe), % 0 to 1.3
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 0 to 0.5
28 to 33
Phosphorus (P), % 0
0 to 0.2
Silicon (Si), % 7.5 to 9.5
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0 to 0.5
Residuals, % 0
0 to 0.5