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2018 Aluminum vs. C53800 Bronze

2018 aluminum belongs to the aluminum alloys classification, while C53800 bronze belongs to the copper alloys. There are 29 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 2018 aluminum and the bottom bar is C53800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 9.6
2.3
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 27
40
Shear Strength, MPa 270
470
Tensile Strength: Ultimate (UTS), MPa 420
830
Tensile Strength: Yield (Proof), MPa 310
660

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 640
980
Melting Onset (Solidus), °C 510
800
Specific Heat Capacity, J/kg-K 870
360
Thermal Conductivity, W/m-K 150
61
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 3.1
8.7
Embodied Carbon, kg CO2/kg material 8.1
3.9
Embodied Energy, MJ/kg 150
64
Embodied Water, L/kg 1130
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
18
Resilience: Unit (Modulus of Resilience), kJ/m3 670
2020
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 45
18
Strength to Weight: Axial, points 38
26
Strength to Weight: Bending, points 41
22
Thermal Diffusivity, mm2/s 57
19
Thermal Shock Resistance, points 19
31

Alloy Composition

Aluminum (Al), % 89.7 to 94.4
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.5 to 4.5
85.1 to 86.5
Iron (Fe), % 0 to 1.0
0 to 0.030
Lead (Pb), % 0
0.4 to 0.6
Magnesium (Mg), % 0.45 to 0.9
0
Manganese (Mn), % 0 to 0.2
0 to 0.060
Nickel (Ni), % 1.7 to 2.3
0 to 0.030
Silicon (Si), % 0 to 0.9
0
Tin (Sn), % 0
13.1 to 13.9
Zinc (Zn), % 0 to 0.25
0 to 0.12
Residuals, % 0
0 to 0.2