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6023 Aluminum vs. C95520 Bronze

6023 aluminum belongs to the aluminum alloys classification, while C95520 bronze belongs to the copper alloys. There are 28 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 6023 aluminum and the bottom bar is C95520 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 11
2.6
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
44
Tensile Strength: Ultimate (UTS), MPa 360
970
Tensile Strength: Yield (Proof), MPa 300 to 310
530

Thermal Properties

Latent Heat of Fusion, J/g 400
240
Maximum Temperature: Mechanical, °C 160
240
Melting Completion (Liquidus), °C 640
1070
Melting Onset (Solidus), °C 580
1020
Specific Heat Capacity, J/kg-K 890
450
Thermal Conductivity, W/m-K 170
40
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
29
Density, g/cm3 2.8
8.2
Embodied Carbon, kg CO2/kg material 8.3
3.6
Embodied Energy, MJ/kg 150
58
Embodied Water, L/kg 1180
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
21
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
1210
Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 49
20
Strength to Weight: Axial, points 35 to 36
33
Strength to Weight: Bending, points 40
27
Thermal Diffusivity, mm2/s 67
11
Thermal Shock Resistance, points 16
33

Alloy Composition

Aluminum (Al), % 94 to 97.7
10.5 to 11.5
Bismuth (Bi), % 0.3 to 0.8
0
Chromium (Cr), % 0
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0.2 to 0.5
74.5 to 81.3
Iron (Fe), % 0 to 0.5
4.0 to 5.5
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0.4 to 0.9
0
Manganese (Mn), % 0.2 to 0.6
0 to 1.5
Nickel (Ni), % 0
4.2 to 6.0
Silicon (Si), % 0.6 to 1.4
0 to 0.15
Tin (Sn), % 0.6 to 1.2
0 to 0.25
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5