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6023 Aluminum vs. C93900 Bronze

6023 aluminum belongs to the aluminum alloys classification, while C93900 bronze belongs to the copper alloys. There are 28 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 6023 aluminum and the bottom bar is C93900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
95
Elongation at Break, % 11
5.6
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
35
Tensile Strength: Ultimate (UTS), MPa 360
190
Tensile Strength: Yield (Proof), MPa 300 to 310
130

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 640
940
Melting Onset (Solidus), °C 580
850
Specific Heat Capacity, J/kg-K 890
340
Thermal Conductivity, W/m-K 170
52
Thermal Expansion, µm/m-K 23
19

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
30
Density, g/cm3 2.8
9.1
Embodied Carbon, kg CO2/kg material 8.3
3.0
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 1180
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
9.5
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
83
Stiffness to Weight: Axial, points 14
5.8
Stiffness to Weight: Bending, points 49
17
Strength to Weight: Axial, points 35 to 36
5.9
Strength to Weight: Bending, points 40
8.1
Thermal Diffusivity, mm2/s 67
17
Thermal Shock Resistance, points 16
7.5

Alloy Composition

Aluminum (Al), % 94 to 97.7
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Bismuth (Bi), % 0.3 to 0.8
0
Copper (Cu), % 0.2 to 0.5
76.5 to 79.5
Iron (Fe), % 0 to 0.5
0 to 0.4
Lead (Pb), % 0
14 to 18
Magnesium (Mg), % 0.4 to 0.9
0
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0.6 to 1.4
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0.6 to 1.2
5.0 to 7.0
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 1.1