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383.0 Aluminum vs. R30001 Cobalt

383.0 aluminum belongs to the aluminum alloys classification, while R30001 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, 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 383.0 aluminum and the bottom bar is R30001 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
220
Elongation at Break, % 3.5
1.0
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
86
Tensile Strength: Ultimate (UTS), MPa 280
620

Thermal Properties

Latent Heat of Fusion, J/g 540
310
Melting Completion (Liquidus), °C 580
1530
Melting Onset (Solidus), °C 540
1260
Specific Heat Capacity, J/kg-K 880
430
Thermal Conductivity, W/m-K 96
15
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 74
1.8

Otherwise Unclassified Properties

Density, g/cm3 2.8
9.0
Embodied Carbon, kg CO2/kg material 7.5
8.9
Embodied Energy, MJ/kg 140
130
Embodied Water, L/kg 1030
460

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 50
22
Strength to Weight: Axial, points 28
19
Strength to Weight: Bending, points 34
18
Thermal Diffusivity, mm2/s 39
3.7
Thermal Shock Resistance, points 13
19

Alloy Composition


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Aluminum (Al), % 79.7 to 88.5
0
Carbon (C), % 0
2.0 to 3.0
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
43 to 59
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 0 to 1.3
0 to 3.0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.3
0 to 3.0
Silicon (Si), % 9.5 to 11.5
0 to 2.0
Tin (Sn), % 0 to 0.15
0
Tungsten (W), % 0
11 to 13
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0