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3105 Aluminum vs. C65500 Bronze

3105 aluminum belongs to the aluminum alloys classification, while C65500 bronze belongs to the copper alloys. There are 30 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 3105 aluminum and the bottom bar is C65500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 1.1 to 20
4.0 to 70
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
43
Shear Strength, MPa 77 to 140
260 to 440
Tensile Strength: Ultimate (UTS), MPa 120 to 240
360 to 760
Tensile Strength: Yield (Proof), MPa 46 to 220
120 to 430

Thermal Properties

Latent Heat of Fusion, J/g 400
260
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 660
1030
Melting Onset (Solidus), °C 640
970
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 170
36
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Calomel Potential, mV -750
-270
Density, g/cm3 2.8
8.6
Embodied Carbon, kg CO2/kg material 8.2
2.7
Embodied Energy, MJ/kg 150
42
Embodied Water, L/kg 1180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
11 to 450
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
62 to 790
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 50
19
Strength to Weight: Axial, points 12 to 24
12 to 24
Strength to Weight: Bending, points 20 to 31
13 to 21
Thermal Diffusivity, mm2/s 68
10
Thermal Shock Resistance, points 5.2 to 11
12 to 26

Alloy Composition

Aluminum (Al), % 96 to 99.5
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
91.5 to 96.7
Iron (Fe), % 0 to 0.7
0 to 0.8
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
0.5 to 1.3
Nickel (Ni), % 0
0 to 0.6
Silicon (Si), % 0 to 0.6
2.8 to 3.8
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
0 to 1.5
Residuals, % 0
0 to 0.5