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2011 Aluminum vs. C99300 Copper

2011 aluminum belongs to the aluminum alloys classification, while C99300 copper belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 2011 aluminum and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 8.5 to 18
2.0
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
46
Tensile Strength: Ultimate (UTS), MPa 310 to 420
660
Tensile Strength: Yield (Proof), MPa 140 to 310
380

Thermal Properties

Latent Heat of Fusion, J/g 390
240
Maximum Temperature: Mechanical, °C 190
250
Melting Completion (Liquidus), °C 640
1080
Melting Onset (Solidus), °C 540
1070
Specific Heat Capacity, J/kg-K 870
450
Thermal Conductivity, W/m-K 140 to 170
43
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
35
Density, g/cm3 3.1
8.2
Embodied Carbon, kg CO2/kg material 7.9
4.5
Embodied Energy, MJ/kg 150
70
Embodied Water, L/kg 1150
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
11
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
590
Stiffness to Weight: Axial, points 13
8.3
Stiffness to Weight: Bending, points 44
20
Strength to Weight: Axial, points 27 to 37
22
Strength to Weight: Bending, points 32 to 40
20
Thermal Diffusivity, mm2/s 51 to 64
12
Thermal Shock Resistance, points 14 to 19
22

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
10.7 to 11.5
Bismuth (Bi), % 0.2 to 0.6
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 5.0 to 6.0
68.6 to 74.4
Iron (Fe), % 0 to 0.7
0.4 to 1.0
Lead (Pb), % 0.2 to 0.6
0 to 0.020
Nickel (Ni), % 0
13.5 to 16.5
Silicon (Si), % 0 to 0.4
0 to 0.020
Tin (Sn), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0
0 to 0.3