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C50100 Bronze vs. 8021 Aluminum

C50100 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 C50100 bronze and the bottom bar is 8021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 40
2.3
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
26
Tensile Strength: Ultimate (UTS), MPa 270
160
Tensile Strength: Yield (Proof), MPa 82
130

Thermal Properties

Latent Heat of Fusion, J/g 210
400
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1080
650
Melting Onset (Solidus), °C 1070
640
Specific Heat Capacity, J/kg-K 380
900
Thermal Conductivity, W/m-K 230
220
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55
56
Electrical Conductivity: Equal Weight (Specific), % IACS 55
180

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.0
Density, g/cm3 8.9
2.8
Embodied Carbon, kg CO2/kg material 2.6
8.1
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 310
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 29
130
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
49
Strength to Weight: Axial, points 8.3
16
Strength to Weight: Bending, points 10
23
Thermal Diffusivity, mm2/s 66
88
Thermal Shock Resistance, points 9.5
7.0

Alloy Composition

Aluminum (Al), % 0
98 to 98.8
Copper (Cu), % 98.6 to 99.49
0 to 0.050
Iron (Fe), % 0 to 0.050
1.2 to 1.7
Lead (Pb), % 0 to 0.050
0
Phosphorus (P), % 0.010 to 0.050
0
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0.5 to 0.8
0
Residuals, % 0 to 0.5
0 to 0.15