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7108A Aluminum vs. CC492K Bronze

7108A aluminum belongs to the aluminum alloys classification, while CC492K 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 7108A aluminum and the bottom bar is CC492K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 11 to 13
14
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 350
280
Tensile Strength: Yield (Proof), MPa 290 to 300
150

Thermal Properties

Latent Heat of Fusion, J/g 380
190
Maximum Temperature: Mechanical, °C 210
170
Melting Completion (Liquidus), °C 630
1000
Melting Onset (Solidus), °C 520
900
Specific Heat Capacity, J/kg-K 870
370
Thermal Conductivity, W/m-K 150
73
Thermal Expansion, µm/m-K 24
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
13
Electrical Conductivity: Equal Weight (Specific), % IACS 110
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
33
Density, g/cm3 2.9
8.8
Embodied Carbon, kg CO2/kg material 8.3
3.4
Embodied Energy, MJ/kg 150
54
Embodied Water, L/kg 1150
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 44
33
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 640
100
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 47
18
Strength to Weight: Axial, points 33 to 34
8.7
Strength to Weight: Bending, points 38
11
Thermal Diffusivity, mm2/s 59
23
Thermal Shock Resistance, points 15 to 16
10

Alloy Composition

Aluminum (Al), % 91.6 to 94.4
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Chromium (Cr), % 0 to 0.040
0
Copper (Cu), % 0 to 0.050
83 to 89
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0 to 0.2
Lead (Pb), % 0
2.5 to 3.5
Magnesium (Mg), % 0.7 to 1.5
0
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0 to 0.2
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
6.0 to 8.0
Titanium (Ti), % 0 to 0.030
0
Zinc (Zn), % 4.8 to 5.8
1.5 to 3.0
Zirconium (Zr), % 0.15 to 0.25
0
Residuals, % 0 to 0.15
0