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EN 2.4964 Cobalt vs. 201.0 Aluminum

EN 2.4964 cobalt belongs to the cobalt alloys classification, while 201.0 aluminum belongs to the aluminum alloys. There are 26 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 EN 2.4964 cobalt and the bottom bar is 201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
71
Elongation at Break, % 40
4.4 to 20
Fatigue Strength, MPa 220
120 to 150
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 86
27
Tensile Strength: Ultimate (UTS), MPa 960
370 to 470
Tensile Strength: Yield (Proof), MPa 390
220 to 400

Thermal Properties

Latent Heat of Fusion, J/g 290
390
Melting Completion (Liquidus), °C 1630
650
Melting Onset (Solidus), °C 1550
570
Specific Heat Capacity, J/kg-K 400
870
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
30 to 33
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
87 to 97

Otherwise Unclassified Properties

Density, g/cm3 9.6
3.1
Embodied Carbon, kg CO2/kg material 9.8
8.7
Embodied Energy, MJ/kg 140
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
19 to 63
Resilience: Unit (Modulus of Resilience), kJ/m3 340
330 to 1160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
45
Strength to Weight: Axial, points 28
33 to 42
Strength to Weight: Bending, points 23
37 to 44
Thermal Diffusivity, mm2/s 3.9
45
Thermal Shock Resistance, points 25
19 to 25

Alloy Composition


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Aluminum (Al), % 0
92.1 to 95.1
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
4.0 to 5.2
Iron (Fe), % 0 to 3.0
0 to 0.15
Magnesium (Mg), % 0
0.15 to 0.55
Manganese (Mn), % 0 to 2.0
0.2 to 0.5
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0 to 0.1
Silver (Ag), % 0
0.4 to 1.0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0.15 to 0.35
Tungsten (W), % 14 to 16
0
Residuals, % 0
0 to 0.1