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5449 Aluminum vs. CC493K Bronze

5449 aluminum belongs to the aluminum alloys classification, while CC493K bronze 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 5449 aluminum and the bottom bar is CC493K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 4.0 to 17
14
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 210 to 330
270
Tensile Strength: Yield (Proof), MPa 91 to 260
140

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 650
960
Melting Onset (Solidus), °C 590
880
Specific Heat Capacity, J/kg-K 900
360
Thermal Conductivity, W/m-K 140
61
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
12
Electrical Conductivity: Equal Weight (Specific), % IACS 110
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
32
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.5
3.3
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1180
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 29
33
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
89
Stiffness to Weight: Axial, points 14
6.5
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 22 to 33
8.6
Strength to Weight: Bending, points 29 to 39
11
Thermal Diffusivity, mm2/s 56
19
Thermal Shock Resistance, points 9.4 to 15
10

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
0 to 0.010
Antimony (Sb), % 0
0 to 0.3
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
79 to 86
Iron (Fe), % 0 to 0.7
0 to 0.2
Lead (Pb), % 0
5.0 to 8.0
Magnesium (Mg), % 1.6 to 2.6
0
Manganese (Mn), % 0.6 to 1.1
0
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.4
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
5.2 to 8.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.3
2.0 to 5.0
Residuals, % 0 to 0.15
0