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5449 Aluminum vs. C87700 Bronze

5449 aluminum belongs to the aluminum alloys classification, while C87700 bronze 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 5449 aluminum and the bottom bar is C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 4.0 to 17
3.6
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 210 to 330
300
Tensile Strength: Yield (Proof), MPa 91 to 260
120

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 650
980
Melting Onset (Solidus), °C 590
900
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 140
120
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
45
Electrical Conductivity: Equal Weight (Specific), % IACS 110
48

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.8
8.5
Embodied Carbon, kg CO2/kg material 8.5
2.7
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 29
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
64
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 22 to 33
9.8
Strength to Weight: Bending, points 29 to 39
12
Thermal Diffusivity, mm2/s 56
34
Thermal Shock Resistance, points 9.4 to 15
11

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
0
Antimony (Sb), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
87.5 to 90.5
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Magnesium (Mg), % 1.6 to 2.6
0
Manganese (Mn), % 0.6 to 1.1
0 to 0.8
Nickel (Ni), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.15
Silicon (Si), % 0 to 0.4
2.5 to 3.5
Tin (Sn), % 0
0 to 2.0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.3
7.0 to 9.0
Residuals, % 0
0 to 0.8