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R30155 Cobalt vs. 1060 Aluminum

R30155 cobalt belongs to the iron alloys classification, while 1060 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, 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 R30155 cobalt and the bottom bar is 1060 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 34
1.1 to 30
Fatigue Strength, MPa 310
15 to 50
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 81
26
Shear Strength, MPa 570
42 to 75
Tensile Strength: Ultimate (UTS), MPa 850
67 to 130
Tensile Strength: Yield (Proof), MPa 390
17 to 110

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1470
660
Melting Onset (Solidus), °C 1420
650
Specific Heat Capacity, J/kg-K 450
900
Thermal Conductivity, W/m-K 12
230
Thermal Expansion, µm/m-K 14
24

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.5
Density, g/cm3 8.5
2.7
Embodied Carbon, kg CO2/kg material 9.7
8.3
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 300
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
0.57 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 370
2.1 to 89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 28
6.9 to 13
Strength to Weight: Bending, points 24
14 to 21
Thermal Diffusivity, mm2/s 3.2
96
Thermal Shock Resistance, points 21
3.0 to 5.6

Alloy Composition

Aluminum (Al), % 0
99.6 to 100
Carbon (C), % 0.080 to 0.16
0
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 24.3 to 36.2
0 to 0.35
Magnesium (Mg), % 0
0 to 0.030
Manganese (Mn), % 1.0 to 2.0
0 to 0.030
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0.75 to 1.3
0
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.050