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6025 Aluminum vs. EN 2.4964 Cobalt

6025 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 6025 aluminum and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
220
Elongation at Break, % 2.8 to 10
40
Fatigue Strength, MPa 67 to 110
220
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
86
Tensile Strength: Ultimate (UTS), MPa 190 to 240
960
Tensile Strength: Yield (Proof), MPa 68 to 210
390

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Melting Completion (Liquidus), °C 650
1630
Melting Onset (Solidus), °C 550
1550
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 23
12

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 2.8
9.6
Embodied Carbon, kg CO2/kg material 8.5
9.8
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1160
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0 to 15
310
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 310
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
21
Strength to Weight: Axial, points 19 to 24
28
Strength to Weight: Bending, points 26 to 31
23
Thermal Diffusivity, mm2/s 54
3.9
Thermal Shock Resistance, points 8.2 to 10
25

Alloy Composition

Aluminum (Al), % 91.7 to 96.3
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0 to 0.2
19 to 21
Cobalt (Co), % 0
46.4 to 58
Copper (Cu), % 0.2 to 0.7
0
Iron (Fe), % 0 to 0.7
0 to 3.0
Magnesium (Mg), % 2.1 to 3.0
0
Manganese (Mn), % 0.6 to 1.4
0 to 2.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.8 to 1.5
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
14 to 16
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.15
0