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7020 Aluminum vs. C93500 Bronze

7020 aluminum belongs to the aluminum alloys classification, while C93500 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 7020 aluminum and the bottom bar is C93500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 8.4 to 14
15
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 26
38
Tensile Strength: Ultimate (UTS), MPa 190 to 390
220
Tensile Strength: Yield (Proof), MPa 120 to 310
110

Thermal Properties

Latent Heat of Fusion, J/g 380
180
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 650
1000
Melting Onset (Solidus), °C 610
850
Specific Heat Capacity, J/kg-K 880
360
Thermal Conductivity, W/m-K 150
70
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
15
Electrical Conductivity: Equal Weight (Specific), % IACS 120
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.9
9.0
Embodied Carbon, kg CO2/kg material 8.3
3.0
Embodied Energy, MJ/kg 150
49
Embodied Water, L/kg 1150
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 46
28
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 690
59
Stiffness to Weight: Axial, points 13
6.3
Stiffness to Weight: Bending, points 47
17
Strength to Weight: Axial, points 18 to 37
6.9
Strength to Weight: Bending, points 25 to 41
9.1
Thermal Diffusivity, mm2/s 59
22
Thermal Shock Resistance, points 8.3 to 17
8.5

Alloy Composition

Aluminum (Al), % 91.2 to 94.8
0 to 0.0050
Antimony (Sb), % 0
0 to 0.3
Chromium (Cr), % 0.1 to 0.35
0
Copper (Cu), % 0 to 0.2
83 to 86
Iron (Fe), % 0 to 0.4
0 to 0.2
Lead (Pb), % 0
8.0 to 10
Magnesium (Mg), % 1.0 to 1.4
0
Manganese (Mn), % 0.050 to 0.5
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.35
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.3 to 6.0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 4.0 to 5.0
0 to 2.0
Zirconium (Zr), % 0.080 to 0.25
0
Residuals, % 0
0 to 1.0