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7108 Aluminum vs. CC497K Bronze

7108 aluminum belongs to the aluminum alloys classification, while CC497K 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 7108 aluminum and the bottom bar is CC497K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
93
Elongation at Break, % 11
6.7
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
34
Tensile Strength: Ultimate (UTS), MPa 350
190
Tensile Strength: Yield (Proof), MPa 290
91

Thermal Properties

Latent Heat of Fusion, J/g 380
160
Maximum Temperature: Mechanical, °C 210
130
Melting Completion (Liquidus), °C 630
870
Melting Onset (Solidus), °C 530
800
Specific Heat Capacity, J/kg-K 880
330
Thermal Conductivity, W/m-K 150
53
Thermal Expansion, µm/m-K 24
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 120
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
29
Density, g/cm3 2.9
9.3
Embodied Carbon, kg CO2/kg material 8.3
3.0
Embodied Energy, MJ/kg 150
48
Embodied Water, L/kg 1150
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
10
Resilience: Unit (Modulus of Resilience), kJ/m3 620
45
Stiffness to Weight: Axial, points 13
5.5
Stiffness to Weight: Bending, points 47
16
Strength to Weight: Axial, points 34
5.6
Strength to Weight: Bending, points 38
7.8
Thermal Diffusivity, mm2/s 59
17
Thermal Shock Resistance, points 16
7.2

Alloy Composition

Aluminum (Al), % 92.4 to 94.7
0 to 0.010
Antimony (Sb), % 0
0 to 0.75
Copper (Cu), % 0 to 0.050
67.5 to 77.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0
18 to 23
Magnesium (Mg), % 0.7 to 1.4
0
Manganese (Mn), % 0 to 0.050
0 to 0.2
Nickel (Ni), % 0
0.5 to 2.5
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.1
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 4.5 to 5.5
0 to 2.0
Zirconium (Zr), % 0.12 to 0.25
0
Residuals, % 0 to 0.15
0