Grade 366 Molybdenum vs. EN AC-48100 Aluminum
Grade 366 molybdenum belongs to the otherwise unclassified metals classification, while EN AC-48100 aluminum belongs to the aluminum alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, 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 grade 366 molybdenum and the bottom bar is EN AC-48100 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 300 | |
| 76 |
| Elongation at Break, % | 2.2 | |
| 1.1 |
| Poisson's Ratio | 0.3 | |
| 0.33 |
| Shear Modulus, GPa | 120 | |
| 29 |
| Tensile Strength: Ultimate (UTS), MPa | 580 | |
| 240 to 330 |
| Tensile Strength: Yield (Proof), MPa | 470 | |
| 190 to 300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 640 |
| Specific Heat Capacity, J/kg-K | 210 | |
| 880 |
| Thermal Expansion, µm/m-K | 7.6 | |
| 20 |
Otherwise Unclassified Properties
| Density, g/cm3 | 12 | |
| 2.8 |
| Embodied Carbon, kg CO2/kg material | 27 | |
| 7.3 |
| Embodied Energy, MJ/kg | 340 | |
| 130 |
| Embodied Water, L/kg | 300 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 | |
| 2.3 to 3.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 370 | |
| 250 to 580 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 18 | |
| 51 |
| Strength to Weight: Axial, points | 13 | |
| 24 to 33 |
| Strength to Weight: Bending, points | 13 | |
| 31 to 38 |
| Thermal Shock Resistance, points | 18 | |
| 11 to 16 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 72.1 to 79.8 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Copper (Cu), % | 0 | |
| 4.0 to 5.0 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 1.3 |
| Magnesium (Mg), % | 0 | |
| 0.25 to 0.65 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 66.9 to 73 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 to 0.3 |
| Nitrogen (N), % | 0 to 0.0020 | |
| 0 |
| Oxygen (O), % | 0 to 0.0025 | |
| 0 |
| Silicon (Si), % | 0 to 0.010 | |
| 16 to 18 |
| Tin (Sn), % | 0 | |
| 0 to 0.15 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Tungsten (W), % | 27 to 33 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.5 |
| Residuals, % | 0 | |
| 0 to 0.25 |