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6066 Aluminum vs. C67400 Bronze

6066 aluminum belongs to the aluminum alloys classification, while C67400 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 6066 aluminum and the bottom bar is C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 7.8 to 17
22 to 28
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
41
Shear Strength, MPa 95 to 240
310 to 350
Tensile Strength: Ultimate (UTS), MPa 160 to 400
480 to 610
Tensile Strength: Yield (Proof), MPa 93 to 360
250 to 370

Thermal Properties

Latent Heat of Fusion, J/g 410
190
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 650
890
Melting Onset (Solidus), °C 560
870
Specific Heat Capacity, J/kg-K 890
400
Thermal Conductivity, W/m-K 150
100
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
23
Electrical Conductivity: Equal Weight (Specific), % IACS 130
26

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
23
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.3
2.8
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1160
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 52
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 61 to 920
300 to 660
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 49
20
Strength to Weight: Axial, points 16 to 39
17 to 22
Strength to Weight: Bending, points 23 to 43
17 to 20
Thermal Diffusivity, mm2/s 61
32
Thermal Shock Resistance, points 6.9 to 17
16 to 20

Alloy Composition

Aluminum (Al), % 93 to 97
0.5 to 2.0
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0.7 to 1.2
57 to 60
Iron (Fe), % 0 to 0.5
0 to 0.35
Lead (Pb), % 0
0 to 0.5
Magnesium (Mg), % 0.8 to 1.4
0
Manganese (Mn), % 0.6 to 1.1
2.0 to 3.5
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0.9 to 1.8
0.5 to 1.5
Tin (Sn), % 0
0 to 0.3
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.25
31.1 to 40
Residuals, % 0
0 to 0.5