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R30003 Cobalt vs. 360.0 Aluminum

R30003 cobalt belongs to the cobalt alloys classification, while 360.0 aluminum belongs to the aluminum 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 R30003 cobalt and the bottom bar is 360.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
72
Elongation at Break, % 10 to 73
2.5
Fatigue Strength, MPa 320 to 560
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 83
27
Tensile Strength: Ultimate (UTS), MPa 970 to 1720
300
Tensile Strength: Yield (Proof), MPa 510 to 1090
170

Thermal Properties

Latent Heat of Fusion, J/g 310
530
Melting Completion (Liquidus), °C 1400
590
Melting Onset (Solidus), °C 1440
570
Specific Heat Capacity, J/kg-K 450
900
Thermal Conductivity, W/m-K 13
130
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
34
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
110

Otherwise Unclassified Properties

Base Metal Price, % relative 95
9.5
Density, g/cm3 8.4
2.6
Embodied Carbon, kg CO2/kg material 8.0
7.8
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 400
1070

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 2790
200
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 32 to 57
32
Strength to Weight: Bending, points 26 to 38
38
Thermal Diffusivity, mm2/s 3.3
55
Thermal Shock Resistance, points 26 to 45
14

Alloy Composition


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Aluminum (Al), % 0
85.1 to 90.6
Boron (B), % 0 to 0.1
0
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 39 to 41
0
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 10 to 20.5
0 to 2.0
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 1.5 to 2.5
0 to 0.35
Molybdenum (Mo), % 6.0 to 8.0
0
Nickel (Ni), % 14 to 16
0 to 0.5
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 1.2
9.0 to 10
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.25