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1070A Aluminum vs. R30006 Cobalt

1070A aluminum belongs to the aluminum alloys classification, while R30006 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 1070A aluminum and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
220
Elongation at Break, % 2.3 to 33
1.0
Fatigue Strength, MPa 17 to 51
260
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
85
Tensile Strength: Ultimate (UTS), MPa 68 to 140
900
Tensile Strength: Yield (Proof), MPa 17 to 120
540

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Melting Completion (Liquidus), °C 640
1400
Melting Onset (Solidus), °C 640
1290
Specific Heat Capacity, J/kg-K 900
450
Thermal Conductivity, W/m-K 230
15
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 200
1.7

Otherwise Unclassified Properties

Density, g/cm3 2.7
8.6
Embodied Carbon, kg CO2/kg material 8.2
7.8
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 1200
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 7.0 to 14
29
Strength to Weight: Bending, points 14 to 22
24
Thermal Diffusivity, mm2/s 94
3.9
Thermal Shock Resistance, points 3.1 to 6.3
26

Alloy Composition

Aluminum (Al), % 99.7 to 100
0
Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Copper (Cu), % 0 to 0.030
0
Iron (Fe), % 0 to 0.25
0 to 3.0
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 3.0
Silicon (Si), % 0 to 0.2
0 to 2.0
Titanium (Ti), % 0 to 0.030
0
Tungsten (W), % 0
4.0 to 6.0
Zinc (Zn), % 0 to 0.070
0