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354.0 Aluminum vs. AWS BCo-1

354.0 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 (12, 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 354.0 aluminum and the bottom bar is AWS BCo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 27
78
Tensile Strength: Ultimate (UTS), MPa 360 to 380
700

Thermal Properties

Latent Heat of Fusion, J/g 530
420
Melting Completion (Liquidus), °C 600
1150
Melting Onset (Solidus), °C 550
1120
Specific Heat Capacity, J/kg-K 900
480
Thermal Expansion, µm/m-K 21
12

Otherwise Unclassified Properties

Density, g/cm3 2.7
8.1
Embodied Carbon, kg CO2/kg material 7.8
8.0
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 1070
430

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 37 to 39
24
Strength to Weight: Bending, points 42 to 44
22
Thermal Shock Resistance, points 17 to 18
21

Alloy Composition

Aluminum (Al), % 87.3 to 89.4
0 to 0.050
Boron (B), % 0
0.7 to 0.9
Carbon (C), % 0
0.35 to 0.45
Chromium (Cr), % 0
18 to 20
Cobalt (Co), % 0
46 to 54
Copper (Cu), % 1.6 to 2.0
0
Iron (Fe), % 0 to 0.2
0 to 1.0
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
16 to 18
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 8.6 to 9.4
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 0.1
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0 to 0.15
0 to 0.5