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7020 Aluminum vs. C95600 Bronze

7020 aluminum belongs to the aluminum alloys classification, while C95600 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 C95600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 8.4 to 14
15
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
42
Tensile Strength: Ultimate (UTS), MPa 190 to 390
500
Tensile Strength: Yield (Proof), MPa 120 to 310
230

Thermal Properties

Latent Heat of Fusion, J/g 380
260
Maximum Temperature: Mechanical, °C 210
210
Melting Completion (Liquidus), °C 650
1000
Melting Onset (Solidus), °C 610
980
Specific Heat Capacity, J/kg-K 880
430
Thermal Conductivity, W/m-K 150
39
Thermal Expansion, µm/m-K 23
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
28
Density, g/cm3 2.9
8.3
Embodied Carbon, kg CO2/kg material 8.3
3.0
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1150
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 46
60
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 690
230
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 47
19
Strength to Weight: Axial, points 18 to 37
17
Strength to Weight: Bending, points 25 to 41
17
Thermal Diffusivity, mm2/s 59
11
Thermal Shock Resistance, points 8.3 to 17
18

Alloy Composition

Aluminum (Al), % 91.2 to 94.8
6.0 to 8.0
Chromium (Cr), % 0.1 to 0.35
0
Copper (Cu), % 0 to 0.2
88 to 92.2
Iron (Fe), % 0 to 0.4
0
Magnesium (Mg), % 1.0 to 1.4
0
Manganese (Mn), % 0.050 to 0.5
0
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 0 to 0.35
1.8 to 3.2
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0.080 to 0.25
0
Residuals, % 0
0 to 1.0