Grade 20 Titanium vs. Class 4 Tungsten
Grade 20 titanium belongs to the titanium alloys classification, while class 4 tungsten belongs to the otherwise unclassified metals. There are 20 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 grade 20 titanium and the bottom bar is class 4 tungsten.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 270 |
| Elongation at Break, % | 5.7 to 17 | |
| 2.3 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 47 | |
| 110 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 790 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 170 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 130 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 4.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 16 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 24 |
| Embodied Energy, MJ/kg | 860 | |
| 360 |
| Embodied Water, L/kg | 350 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 16 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 to 5760 | |
| 620 |
| Stiffness to Weight: Axial, points | 14 | |
| 9.6 |
| Stiffness to Weight: Bending, points | 33 | |
| 14 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 14 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 12 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 46 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Titanium (Ti), % | 71 to 77 | |
| 0 |
| Tungsten (W), % | 0 | |
| 97 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 3.0 |