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2024 Aluminum vs. C94500 Bronze

2024 aluminum belongs to the aluminum alloys classification, while C94500 bronze belongs to the copper alloys. There are 28 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 2024 aluminum and the bottom bar is C94500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
92
Elongation at Break, % 4.0 to 16
12
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 27
34
Tensile Strength: Ultimate (UTS), MPa 200 to 540
170
Tensile Strength: Yield (Proof), MPa 100 to 490
83

Thermal Properties

Latent Heat of Fusion, J/g 390
160
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 640
940
Melting Onset (Solidus), °C 500
800
Specific Heat Capacity, J/kg-K 880
330
Thermal Conductivity, W/m-K 120
52
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
10
Electrical Conductivity: Equal Weight (Specific), % IACS 90
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 3.0
9.3
Embodied Carbon, kg CO2/kg material 8.3
3.2
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1140
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 68
17
Resilience: Unit (Modulus of Resilience), kJ/m3 70 to 1680
37
Stiffness to Weight: Axial, points 13
5.5
Stiffness to Weight: Bending, points 46
16
Strength to Weight: Axial, points 18 to 50
5.2
Strength to Weight: Bending, points 25 to 49
7.4
Thermal Diffusivity, mm2/s 46
17
Thermal Shock Resistance, points 8.6 to 24
6.7

Alloy Composition

Aluminum (Al), % 90.7 to 94.7
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.8 to 4.9
66.7 to 78
Iron (Fe), % 0 to 0.5
0 to 0.15
Lead (Pb), % 0
16 to 22
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0.3 to 0.9
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
6.0 to 8.0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0 to 1.2
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.15
0