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R30016 Cobalt vs. 6014 Aluminum

R30016 cobalt belongs to the cobalt alloys classification, while 6014 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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 R30016 cobalt and the bottom bar is 6014 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
69
Elongation at Break, % 8.4
9.1 to 17
Fatigue Strength, MPa 290
43 to 79
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 85
26
Tensile Strength: Ultimate (UTS), MPa 1010
160 to 260
Tensile Strength: Yield (Proof), MPa 580
80 to 200

Thermal Properties

Latent Heat of Fusion, J/g 320
400
Melting Completion (Liquidus), °C 1360
640
Melting Onset (Solidus), °C 1270
620
Specific Heat Capacity, J/kg-K 450
900
Thermal Conductivity, W/m-K 15
200
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
53
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
180

Otherwise Unclassified Properties

Density, g/cm3 8.5
2.7
Embodied Carbon, kg CO2/kg material 7.7
8.6
Embodied Energy, MJ/kg 110
160
Embodied Water, L/kg 500
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 72
22
Resilience: Unit (Modulus of Resilience), kJ/m3 770
46 to 300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 33
16 to 26
Strength to Weight: Bending, points 26
24 to 33
Thermal Diffusivity, mm2/s 3.9
83
Thermal Shock Resistance, points 24
7.0 to 11

Alloy Composition

Aluminum (Al), % 0
97.1 to 99.2
Carbon (C), % 0.9 to 1.4
0
Chromium (Cr), % 28 to 32
0 to 0.2
Cobalt (Co), % 49.6 to 66.9
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 3.0
0 to 0.35
Magnesium (Mg), % 0
0.4 to 0.8
Manganese (Mn), % 0.5 to 2.0
0.050 to 0.2
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 0 to 3.0
0
Silicon (Si), % 0.2 to 2.0
0.3 to 0.6
Titanium (Ti), % 0
0 to 0.1
Tungsten (W), % 3.5 to 5.5
0
Vanadium (V), % 0
0.050 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15