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3105 Aluminum vs. C99600 Bronze

3105 aluminum belongs to the aluminum alloys classification, while C99600 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 C99600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
150
Elongation at Break, % 1.1 to 20
27 to 34
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
56
Tensile Strength: Ultimate (UTS), MPa 120 to 240
560
Tensile Strength: Yield (Proof), MPa 46 to 220
250 to 300

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 660
1100
Melting Onset (Solidus), °C 640
1050
Specific Heat Capacity, J/kg-K 900
440
Thermal Expansion, µm/m-K 24
19

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
22
Density, g/cm3 2.8
8.1
Embodied Carbon, kg CO2/kg material 8.2
3.2
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
130 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
210 to 310
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 50
22
Strength to Weight: Axial, points 12 to 24
19
Strength to Weight: Bending, points 20 to 31
19
Thermal Shock Resistance, points 5.2 to 11
14

Alloy Composition

Aluminum (Al), % 96 to 99.5
1.0 to 2.8
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.2
0
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0 to 0.3
50.8 to 60
Iron (Fe), % 0 to 0.7
0 to 0.2
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.3 to 0.8
39 to 45
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0 to 0.6
0 to 0.1
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.4
0 to 0.2
Residuals, % 0
0 to 0.3