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EN 2.4964 Cobalt vs. 6005A Aluminum

EN 2.4964 cobalt belongs to the cobalt alloys classification, while 6005A 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 6005A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
69
Elongation at Break, % 40
8.6 to 17
Fatigue Strength, MPa 220
55 to 110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 86
26
Tensile Strength: Ultimate (UTS), MPa 960
190 to 300
Tensile Strength: Yield (Proof), MPa 390
100 to 270

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Melting Completion (Liquidus), °C 1630
650
Melting Onset (Solidus), °C 1550
600
Specific Heat Capacity, J/kg-K 400
900
Thermal Conductivity, W/m-K 15
180 to 190
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
47 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
150 to 170

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
150
Embodied Water, L/kg 450
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 340
76 to 530
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
50
Strength to Weight: Axial, points 28
20 to 30
Strength to Weight: Bending, points 23
27 to 36
Thermal Diffusivity, mm2/s 3.9
72 to 79
Thermal Shock Resistance, points 25
8.6 to 13

Alloy Composition

Aluminum (Al), % 0
96.5 to 99.1
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0 to 0.3
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 3.0
0 to 0.35
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 0 to 2.0
0 to 0.5
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0.5 to 0.9
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.1
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15