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EN 2.4964 Cobalt vs. 6262A Aluminum

EN 2.4964 cobalt belongs to the cobalt alloys classification, while 6262A 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 6262A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
68
Elongation at Break, % 40
4.5 to 11
Fatigue Strength, MPa 220
94 to 110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 86
26
Tensile Strength: Ultimate (UTS), MPa 960
310 to 410
Tensile Strength: Yield (Proof), MPa 390
270 to 370

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Melting Completion (Liquidus), °C 1630
640
Melting Onset (Solidus), °C 1550
580
Specific Heat Capacity, J/kg-K 400
890
Thermal Conductivity, W/m-K 15
170
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
45
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
140

Otherwise Unclassified Properties

Density, g/cm3 9.6
2.8
Embodied Carbon, kg CO2/kg material 9.8
8.4
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 450
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
17 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 340
540 to 1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 21
49
Strength to Weight: Axial, points 28
31 to 41
Strength to Weight: Bending, points 23
36 to 44
Thermal Diffusivity, mm2/s 3.9
67
Thermal Shock Resistance, points 25
14 to 18

Alloy Composition


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Aluminum (Al), % 0
94.2 to 97.8
Bismuth (Bi), % 0
0.4 to 0.9
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0.040 to 0.14
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
0.15 to 0.4
Iron (Fe), % 0 to 3.0
0 to 0.7
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0 to 2.0
0 to 0.15
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0.4 to 0.8
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0.4 to 1.0
Titanium (Ti), % 0
0 to 0.1
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15