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336.0 Aluminum vs. R30016 Cobalt

336.0 aluminum belongs to the aluminum alloys classification, while R30016 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (9, 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 336.0 aluminum and the bottom bar is R30016 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
220
Elongation at Break, % 0.5
8.4
Fatigue Strength, MPa 80 to 93
290
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
85
Tensile Strength: Ultimate (UTS), MPa 250 to 320
1010
Tensile Strength: Yield (Proof), MPa 190 to 300
580

Thermal Properties

Latent Heat of Fusion, J/g 570
320
Melting Completion (Liquidus), °C 570
1360
Melting Onset (Solidus), °C 540
1270
Specific Heat Capacity, J/kg-K 890
450
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 19
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 95
2.0

Otherwise Unclassified Properties

Density, g/cm3 2.8
8.5
Embodied Carbon, kg CO2/kg material 7.9
7.7
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 1010
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.1 to 1.6
72
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 580
770
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 25 to 32
33
Strength to Weight: Bending, points 32 to 38
26
Thermal Diffusivity, mm2/s 48
3.9
Thermal Shock Resistance, points 12 to 16
24

Alloy Composition

Aluminum (Al), % 79.1 to 85.8
0
Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
49.6 to 66.9
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 0 to 1.2
0 to 3.0
Magnesium (Mg), % 0.7 to 1.3
0
Manganese (Mn), % 0 to 0.35
0.5 to 2.0
Molybdenum (Mo), % 0
0 to 1.5
Nickel (Ni), % 2.0 to 3.0
0 to 3.0
Silicon (Si), % 11 to 13
0.2 to 2.0
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
3.5 to 5.5
Zinc (Zn), % 0 to 0.35
0