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3203 Aluminum vs. C64700 Bronze

3203 aluminum belongs to the aluminum alloys classification, while C64700 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 3203 aluminum and the bottom bar is C64700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
120
Elongation at Break, % 4.5 to 29
9.0
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
44
Shear Strength, MPa 72 to 120
390
Tensile Strength: Ultimate (UTS), MPa 110 to 200
660
Tensile Strength: Yield (Proof), MPa 39 to 190
560

Thermal Properties

Latent Heat of Fusion, J/g 400
220
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 650
1090
Melting Onset (Solidus), °C 620
1030
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 170
210
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
38
Electrical Conductivity: Equal Weight (Specific), % IACS 140
38

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
31
Density, g/cm3 2.8
8.9
Embodied Carbon, kg CO2/kg material 8.1
2.7
Embodied Energy, MJ/kg 150
43
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 25
57
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 250
1370
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 11 to 20
21
Strength to Weight: Bending, points 19 to 28
19
Thermal Diffusivity, mm2/s 70
59
Thermal Shock Resistance, points 4.9 to 8.8
24

Alloy Composition

Aluminum (Al), % 96.9 to 99
0
Copper (Cu), % 0 to 0.050
95.8 to 98
Iron (Fe), % 0 to 0.7
0 to 0.1
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 1.0 to 1.5
0
Nickel (Ni), % 0
1.6 to 2.2
Silicon (Si), % 0 to 0.6
0.4 to 0.8
Zinc (Zn), % 0 to 0.1
0 to 0.5
Residuals, % 0
0 to 0.5