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EN 2.4964 Cobalt vs. 296.0 Aluminum

EN 2.4964 cobalt belongs to the cobalt alloys classification, while 296.0 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, 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 296.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
72
Elongation at Break, % 40
3.2 to 7.1
Fatigue Strength, MPa 220
47 to 70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 86
27
Tensile Strength: Ultimate (UTS), MPa 960
260 to 270
Tensile Strength: Yield (Proof), MPa 390
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Melting Completion (Liquidus), °C 1630
630
Melting Onset (Solidus), °C 1550
540
Specific Heat Capacity, J/kg-K 400
870
Thermal Conductivity, W/m-K 15
130 to 150
Thermal Expansion, µm/m-K 12
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
33 to 37
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
99 to 110

Otherwise Unclassified Properties

Density, g/cm3 9.6
3.0
Embodied Carbon, kg CO2/kg material 9.8
7.8
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 450
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
7.6 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 340
110 to 220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 21
46
Strength to Weight: Axial, points 28
24 to 25
Strength to Weight: Bending, points 23
30 to 31
Thermal Diffusivity, mm2/s 3.9
51 to 56
Thermal Shock Resistance, points 25
12

Alloy Composition

Aluminum (Al), % 0
89 to 94
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 5.0
Iron (Fe), % 0 to 3.0
0 to 1.2
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 0.35
Nickel (Ni), % 9.0 to 11
0 to 0.35
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
2.0 to 3.0
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 0.5
Residuals, % 0
0 to 0.35