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296.0 Aluminum vs. EN 2.4964 Cobalt

296.0 aluminum belongs to the aluminum alloys classification, while EN 2.4964 cobalt belongs to the cobalt 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 296.0 aluminum and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 89 to 94
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
46.4 to 58
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0 to 1.2
0 to 3.0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
0 to 2.0
Nickel (Ni), % 0 to 0.35
9.0 to 11
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 2.0 to 3.0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
14 to 16
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.35
0