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5449 Aluminum vs. C14700 Copper

5449 aluminum belongs to the aluminum alloys classification, while C14700 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 5449 aluminum and the bottom bar is C14700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 4.0 to 17
9.1 to 35
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Shear Strength, MPa 130 to 190
160 to 190
Tensile Strength: Ultimate (UTS), MPa 210 to 330
240 to 320
Tensile Strength: Yield (Proof), MPa 91 to 260
85 to 250

Thermal Properties

Latent Heat of Fusion, J/g 400
210
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 650
1080
Melting Onset (Solidus), °C 590
1070
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 140
370
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
95
Electrical Conductivity: Equal Weight (Specific), % IACS 110
96

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.5
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 29
25 to 65
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
31 to 280
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 22 to 33
7.3 to 10
Strength to Weight: Bending, points 29 to 39
9.5 to 12
Thermal Diffusivity, mm2/s 56
110
Thermal Shock Resistance, points 9.4 to 15
8.4 to 12

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
99.395 to 99.798
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 1.6 to 2.6
0
Manganese (Mn), % 0.6 to 1.1
0
Phosphorus (P), % 0
0.0020 to 0.0050
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0
0.2 to 0.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0
0 to 0.1