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EN 2.4964 Cobalt vs. 333.0 Aluminum

EN 2.4964 cobalt belongs to the cobalt alloys classification, while 333.0 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 333.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
73
Elongation at Break, % 40
1.0 to 2.0
Fatigue Strength, MPa 220
83 to 100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 86
28
Tensile Strength: Ultimate (UTS), MPa 960
230 to 280
Tensile Strength: Yield (Proof), MPa 390
130 to 210

Thermal Properties

Latent Heat of Fusion, J/g 290
520
Melting Completion (Liquidus), °C 1630
590
Melting Onset (Solidus), °C 1550
530
Specific Heat Capacity, J/kg-K 400
880
Thermal Conductivity, W/m-K 15
100 to 140
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
26 to 35
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
83 to 110

Otherwise Unclassified Properties

Density, g/cm3 9.6
2.8
Embodied Carbon, kg CO2/kg material 9.8
7.6
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 450
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
2.1 to 4.6
Resilience: Unit (Modulus of Resilience), kJ/m3 340
120 to 290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
49
Strength to Weight: Axial, points 28
22 to 27
Strength to Weight: Bending, points 23
29 to 34
Thermal Diffusivity, mm2/s 3.9
42 to 57
Thermal Shock Resistance, points 25
11 to 13

Alloy Composition

Aluminum (Al), % 0
81.8 to 89
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 0 to 3.0
0 to 1.0
Magnesium (Mg), % 0
0.050 to 0.5
Manganese (Mn), % 0 to 2.0
0 to 0.5
Nickel (Ni), % 9.0 to 11
0 to 0.5
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
8.0 to 10
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.25
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5