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C86300 Bronze vs. 8021 Aluminum

C86300 bronze belongs to the copper alloys classification, while 8021 aluminum belongs to the aluminum 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 C86300 bronze and the bottom bar is 8021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 14
2.3
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 42
26
Tensile Strength: Ultimate (UTS), MPa 850
160
Tensile Strength: Yield (Proof), MPa 480
130

Thermal Properties

Latent Heat of Fusion, J/g 200
400
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 920
650
Melting Onset (Solidus), °C 890
640
Specific Heat Capacity, J/kg-K 420
900
Thermal Conductivity, W/m-K 35
220
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
56
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
180

Otherwise Unclassified Properties

Base Metal Price, % relative 23
9.0
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 3.0
8.1
Embodied Energy, MJ/kg 51
150
Embodied Water, L/kg 360
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 1030
130
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 20
49
Strength to Weight: Axial, points 30
16
Strength to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 11
88
Thermal Shock Resistance, points 28
7.0

Alloy Composition


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Aluminum (Al), % 5.0 to 7.5
98 to 98.8
Copper (Cu), % 60 to 66
0 to 0.050
Iron (Fe), % 2.0 to 4.0
1.2 to 1.7
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 22 to 28
0
Residuals, % 0 to 1.0
0 to 0.15