Grade 9 Titanium vs. Commercially Pure Zirconium
Grade 9 titanium belongs to the titanium alloys classification, while commercially pure zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is grade 9 titanium and the bottom bar is commercially pure zirconium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 98 |
| Elongation at Break, % | 11 to 17 | |
| 18 |
| Fatigue Strength, MPa | 330 to 480 | |
| 60 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 40 | |
| 36 |
| Tensile Strength: Ultimate (UTS), MPa | 700 to 960 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 540 to 830 | |
| 240 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 270 |
| Thermal Conductivity, W/m-K | 8.1 | |
| 22 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 5.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 6.7 |
| Embodied Water, L/kg | 150 | |
| 450 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 89 to 110 | |
| 65 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1380 to 3220 | |
| 290 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 35 | |
| 23 |
| Strength to Weight: Axial, points | 43 to 60 | |
| 18 |
| Strength to Weight: Bending, points | 39 to 48 | |
| 19 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 12 |
| Thermal Shock Resistance, points | 52 to 71 | |
| 56 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 0 to 0.2 |
| Hafnium (Hf), % | 0 | |
| 0 to 4.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.0050 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.2 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 to 0.025 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 to 0.16 |
| Titanium (Ti), % | 92.6 to 95.5 | |
| 0 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 94.7 to 100 |
| Residuals, % | 0 to 0.4 | |
| 0 |