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6066 Aluminum vs. AWS BCo-1

6066 aluminum belongs to the aluminum alloys classification, while AWS BCo-1 belongs to the cobalt alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, 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 6066 aluminum and the bottom bar is AWS BCo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
78
Tensile Strength: Ultimate (UTS), MPa 160 to 400
700

Thermal Properties

Latent Heat of Fusion, J/g 410
420
Melting Completion (Liquidus), °C 650
1150
Melting Onset (Solidus), °C 560
1120
Specific Heat Capacity, J/kg-K 890
480
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Density, g/cm3 2.8
8.1
Embodied Carbon, kg CO2/kg material 8.3
8.0
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 1160
430

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 16 to 39
24
Strength to Weight: Bending, points 23 to 43
22
Thermal Shock Resistance, points 6.9 to 17
21

Alloy Composition

Aluminum (Al), % 93 to 97
0 to 0.050
Boron (B), % 0
0.7 to 0.9
Carbon (C), % 0
0.35 to 0.45
Chromium (Cr), % 0 to 0.4
18 to 20
Cobalt (Co), % 0
46 to 54
Copper (Cu), % 0.7 to 1.2
0
Iron (Fe), % 0 to 0.5
0 to 1.0
Magnesium (Mg), % 0.8 to 1.4
0
Manganese (Mn), % 0.6 to 1.1
0
Nickel (Ni), % 0
16 to 18
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0.9 to 1.8
7.5 to 8.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.2
0 to 0.050
Tungsten (W), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5