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EN 2.4964 Cobalt vs. 1050 Aluminum

EN 2.4964 cobalt belongs to the cobalt alloys classification, while 1050 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 1050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
68
Elongation at Break, % 40
4.6 to 37
Fatigue Strength, MPa 220
31 to 57
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 86
26
Tensile Strength: Ultimate (UTS), MPa 960
76 to 140
Tensile Strength: Yield (Proof), MPa 390
25 to 120

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Melting Completion (Liquidus), °C 1630
640
Melting Onset (Solidus), °C 1550
650
Specific Heat Capacity, J/kg-K 400
900
Thermal Conductivity, W/m-K 15
230
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
61
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
200

Otherwise Unclassified Properties

Density, g/cm3 9.6
2.7
Embodied Carbon, kg CO2/kg material 9.8
8.3
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 450
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
5.4 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 340
4.6 to 110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
50
Strength to Weight: Axial, points 28
7.8 to 14
Strength to Weight: Bending, points 23
15 to 22
Thermal Diffusivity, mm2/s 3.9
94
Thermal Shock Resistance, points 25
3.4 to 6.2

Alloy Composition

Aluminum (Al), % 0
99.5 to 100
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 0 to 3.0
0 to 0.4
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 0.050
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0 to 0.25
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.050