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3005 Aluminum vs. EN 2.4964 Cobalt

3005 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 (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 3005 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, % 1.1 to 16
40
Fatigue Strength, MPa 53 to 100
220
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
86
Tensile Strength: Ultimate (UTS), MPa 140 to 270
960
Tensile Strength: Yield (Proof), MPa 51 to 240
390

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Melting Completion (Liquidus), °C 660
1630
Melting Onset (Solidus), °C 640
1550
Specific Heat Capacity, J/kg-K 900
400
Thermal Conductivity, W/m-K 160
15
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
1.8

Otherwise Unclassified Properties

Density, g/cm3 2.8
9.6
Embodied Carbon, kg CO2/kg material 8.2
9.8
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2 to 18
310
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 390
340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
21
Strength to Weight: Axial, points 14 to 27
28
Strength to Weight: Bending, points 21 to 33
23
Thermal Diffusivity, mm2/s 64
3.9
Thermal Shock Resistance, points 6.0 to 12
25

Alloy Composition

Aluminum (Al), % 95.7 to 98.8
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0 to 0.1
19 to 21
Cobalt (Co), % 0
46.4 to 58
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 0 to 0.7
0 to 3.0
Magnesium (Mg), % 0.2 to 0.6
0
Manganese (Mn), % 1.0 to 1.5
0 to 2.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
14 to 16
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0