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354.0 Aluminum vs. EN 2.4964 Cobalt

354.0 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 (2, 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 354.0 aluminum and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
220
Elongation at Break, % 2.4 to 3.0
40
Fatigue Strength, MPa 92 to 120
220
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
86
Tensile Strength: Ultimate (UTS), MPa 360 to 380
960
Tensile Strength: Yield (Proof), MPa 280 to 310
390

Thermal Properties

Latent Heat of Fusion, J/g 530
290
Melting Completion (Liquidus), °C 600
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 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.8

Otherwise Unclassified Properties

Density, g/cm3 2.7
9.6
Embodied Carbon, kg CO2/kg material 7.8
9.8
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1070
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.6 to 9.8
310
Resilience: Unit (Modulus of Resilience), kJ/m3 540 to 670
340
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
21
Strength to Weight: Axial, points 37 to 39
28
Strength to Weight: Bending, points 42 to 44
23
Thermal Diffusivity, mm2/s 52
3.9
Thermal Shock Resistance, points 17 to 18
25

Alloy Composition


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Aluminum (Al), % 87.3 to 89.4
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
46.4 to 58
Copper (Cu), % 1.6 to 2.0
0
Iron (Fe), % 0 to 0.2
0 to 3.0
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 8.6 to 9.4
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 0.1
0
Residuals, % 0 to 0.15
0