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6023 Aluminum vs. C92900 Bronze

6023 aluminum belongs to the aluminum alloys classification, while C92900 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 C92900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 11
9.1
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 360
350
Tensile Strength: Yield (Proof), MPa 300 to 310
190

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 640
1030
Melting Onset (Solidus), °C 580
860
Specific Heat Capacity, J/kg-K 890
370
Thermal Conductivity, W/m-K 170
58
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
35
Density, g/cm3 2.8
8.8
Embodied Carbon, kg CO2/kg material 8.3
3.8
Embodied Energy, MJ/kg 150
61
Embodied Water, L/kg 1180
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
27
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
170
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 49
18
Strength to Weight: Axial, points 35 to 36
11
Strength to Weight: Bending, points 40
13
Thermal Diffusivity, mm2/s 67
18
Thermal Shock Resistance, points 16
13

Alloy Composition

Aluminum (Al), % 94 to 97.7
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Bismuth (Bi), % 0.3 to 0.8
0
Copper (Cu), % 0.2 to 0.5
82 to 86
Iron (Fe), % 0 to 0.5
0 to 0.2
Lead (Pb), % 0
2.0 to 3.2
Magnesium (Mg), % 0.4 to 0.9
0
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0
2.8 to 4.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0.6 to 1.4
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.6 to 1.2
9.0 to 11
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.7