Grade 363 Molybdenum vs. Grade 21 Titanium
Grade 363 molybdenum belongs to the otherwise unclassified metals classification, while grade 21 titanium belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is grade 363 molybdenum and the bottom bar is grade 21 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 310 | |
| 140 |
| Elongation at Break, % | 6.2 to 11 | |
| 9.0 to 17 |
| Poisson's Ratio | 0.31 | |
| 0.32 |
| Shear Modulus, GPa | 120 | |
| 51 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 720 | |
| 890 to 1340 |
| Tensile Strength: Yield (Proof), MPa | 350 to 620 | |
| 870 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 370 | |
| 410 |
| Specific Heat Capacity, J/kg-K | 250 | |
| 500 |
| Thermal Expansion, µm/m-K | 7.0 | |
| 7.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 10 | |
| 5.4 |
| Embodied Carbon, kg CO2/kg material | 28 | |
| 32 |
| Embodied Energy, MJ/kg | 330 | |
| 490 |
| Embodied Water, L/kg | 360 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 43 to 57 | |
| 110 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 200 to 630 | |
| 2760 to 5010 |
| Stiffness to Weight: Axial, points | 17 | |
| 14 |
| Stiffness to Weight: Bending, points | 22 | |
| 32 |
| Strength to Weight: Axial, points | 16 to 20 | |
| 46 to 69 |
| Strength to Weight: Bending, points | 15 to 17 | |
| 38 to 50 |
| Thermal Shock Resistance, points | 19 to 24 | |
| 66 to 100 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0.010 to 0.030 | |
| 0 to 0.050 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.010 | |
| 0 to 0.4 |
| Molybdenum (Mo), % | 99.3 to 99.5 | |
| 14 to 16 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.2 to 3.2 |
| Nitrogen (N), % | 0 to 0.0020 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 to 0.0030 | |
| 0 to 0.17 |
| Silicon (Si), % | 0 to 0.010 | |
| 0.15 to 0.25 |
| Titanium (Ti), % | 0.4 to 0.55 | |
| 76 to 81.2 |
| Zirconium (Zr), % | 0.060 to 0.12 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |