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6023 Aluminum vs. C95700 Bronze

6023 aluminum belongs to the aluminum alloys classification, while C95700 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 C95700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
130
Elongation at Break, % 11
23
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
47
Tensile Strength: Ultimate (UTS), MPa 360
680
Tensile Strength: Yield (Proof), MPa 300 to 310
310

Thermal Properties

Latent Heat of Fusion, J/g 400
230
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 640
990
Melting Onset (Solidus), °C 580
950
Specific Heat Capacity, J/kg-K 890
440
Thermal Conductivity, W/m-K 170
12
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 140
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
26
Density, g/cm3 2.8
8.2
Embodied Carbon, kg CO2/kg material 8.3
3.3
Embodied Energy, MJ/kg 150
54
Embodied Water, L/kg 1180
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
130
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
390
Stiffness to Weight: Axial, points 14
8.5
Stiffness to Weight: Bending, points 49
20
Strength to Weight: Axial, points 35 to 36
23
Strength to Weight: Bending, points 40
21
Thermal Diffusivity, mm2/s 67
3.3
Thermal Shock Resistance, points 16
21

Alloy Composition

Aluminum (Al), % 94 to 97.7
7.0 to 8.5
Bismuth (Bi), % 0.3 to 0.8
0
Copper (Cu), % 0.2 to 0.5
71 to 78.5
Iron (Fe), % 0 to 0.5
2.0 to 4.0
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0.4 to 0.9
0
Manganese (Mn), % 0.2 to 0.6
11 to 14
Nickel (Ni), % 0
1.5 to 3.0
Silicon (Si), % 0.6 to 1.4
0 to 0.1
Tin (Sn), % 0.6 to 1.2
0
Residuals, % 0
0 to 0.5