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R30006 Cobalt vs. 324.0 Aluminum

R30006 cobalt belongs to the cobalt alloys classification, while 324.0 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 R30006 cobalt and the bottom bar is 324.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
71
Elongation at Break, % 1.0
3.0 to 4.0
Fatigue Strength, MPa 260
77 to 89
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 85
27
Tensile Strength: Ultimate (UTS), MPa 900
210 to 310
Tensile Strength: Yield (Proof), MPa 540
110 to 270

Thermal Properties

Latent Heat of Fusion, J/g 320
500
Melting Completion (Liquidus), °C 1400
610
Melting Onset (Solidus), °C 1290
550
Specific Heat Capacity, J/kg-K 450
900
Thermal Conductivity, W/m-K 15
150
Thermal Expansion, µm/m-K 11
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
34
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
120

Otherwise Unclassified Properties

Density, g/cm3 8.6
2.7
Embodied Carbon, kg CO2/kg material 7.8
7.9
Embodied Energy, MJ/kg 110
150
Embodied Water, L/kg 500
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.8
6.8 to 8.9
Resilience: Unit (Modulus of Resilience), kJ/m3 670
85 to 510
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
52
Strength to Weight: Axial, points 29
22 to 32
Strength to Weight: Bending, points 24
29 to 38
Thermal Diffusivity, mm2/s 3.9
62
Thermal Shock Resistance, points 26
9.7 to 14

Alloy Composition


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Aluminum (Al), % 0
87.3 to 92.2
Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 27 to 32
0
Cobalt (Co), % 48.6 to 68.1
0
Copper (Cu), % 0
0.4 to 0.6
Iron (Fe), % 0 to 3.0
0 to 1.2
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0 to 0.3
Silicon (Si), % 0 to 2.0
7.0 to 8.0
Titanium (Ti), % 0
0 to 0.2
Tungsten (W), % 4.0 to 6.0
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.2