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6106 Aluminum vs. CC481K Bronze

6106 aluminum belongs to the aluminum alloys classification, while CC481K 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 6106 aluminum and the bottom bar is CC481K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 9.1
4.5
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 290
350
Tensile Strength: Yield (Proof), MPa 220
180

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 660
1000
Melting Onset (Solidus), °C 610
880
Specific Heat Capacity, J/kg-K 900
370
Thermal Conductivity, W/m-K 190
64
Thermal Expansion, µm/m-K 23
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
10
Electrical Conductivity: Equal Weight (Specific), % IACS 160
10

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
35
Density, g/cm3 2.7
8.7
Embodied Carbon, kg CO2/kg material 8.3
3.7
Embodied Energy, MJ/kg 150
60
Embodied Water, L/kg 1190
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24
13
Resilience: Unit (Modulus of Resilience), kJ/m3 370
150
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 50
18
Strength to Weight: Axial, points 29
11
Strength to Weight: Bending, points 35
13
Thermal Diffusivity, mm2/s 78
20
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.25
87 to 89.5
Iron (Fe), % 0 to 0.35
0 to 0.1
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.050 to 0.2
0 to 0.050
Nickel (Ni), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 1.0
Silicon (Si), % 0.3 to 0.6
0 to 0.010
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
10 to 11.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
0 to 0.5
Residuals, % 0 to 0.15
0