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8079 Aluminum vs. CC494K Bronze

8079 aluminum belongs to the aluminum alloys classification, while CC494K bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (2, 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 8079 aluminum and the bottom bar is CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 2.2
7.6
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 150
210
Tensile Strength: Yield (Proof), MPa 120
94

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 650
970
Melting Onset (Solidus), °C 640
890
Specific Heat Capacity, J/kg-K 900
360
Thermal Conductivity, W/m-K 230
63
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 58
16
Electrical Conductivity: Equal Weight (Specific), % IACS 190
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
31
Density, g/cm3 2.8
9.1
Embodied Carbon, kg CO2/kg material 8.2
3.1
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1180
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1
13
Resilience: Unit (Modulus of Resilience), kJ/m3 110
43
Stiffness to Weight: Axial, points 14
6.4
Stiffness to Weight: Bending, points 50
17
Strength to Weight: Axial, points 15
6.5
Strength to Weight: Bending, points 22
8.8
Thermal Diffusivity, mm2/s 92
19
Thermal Shock Resistance, points 6.4
7.8

Alloy Composition

Aluminum (Al), % 98.1 to 99.3
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 0 to 0.050
78 to 87
Iron (Fe), % 0.7 to 1.3
0 to 0.25
Lead (Pb), % 0
8.0 to 10
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0.050 to 0.3
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0 to 0.1
0 to 2.0
Residuals, % 0 to 0.15
0