Grade 5 Titanium vs. Grade 9 Titanium
Both grade 5 titanium and grade 9 titanium are titanium alloys. They have a very high 95% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is grade 5 titanium and the bottom bar is grade 9 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 8.6 to 11 | |
| 11 to 17 |
| Fatigue Strength, MPa | 530 to 630 | |
| 330 to 480 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Reduction in Area, % | 21 to 25 | |
| 28 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Shear Strength, MPa | 600 to 710 | |
| 430 to 580 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 to 1190 | |
| 700 to 960 |
| Tensile Strength: Yield (Proof), MPa | 910 to 1110 | |
| 540 to 830 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 330 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1640 |
| Melting Onset (Solidus), °C | 1650 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 550 |
| Thermal Conductivity, W/m-K | 6.8 | |
| 8.1 |
| Thermal Expansion, µm/m-K | 8.9 | |
| 9.1 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 37 |
| Density, g/cm3 | 4.4 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 38 | |
| 36 |
| Embodied Energy, MJ/kg | 610 | |
| 580 |
| Embodied Water, L/kg | 200 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 110 | |
| 89 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3980 to 5880 | |
| 1380 to 3220 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 35 |
| Strength to Weight: Axial, points | 62 to 75 | |
| 43 to 60 |
| Strength to Weight: Bending, points | 50 to 56 | |
| 39 to 48 |
| Thermal Diffusivity, mm2/s | 2.7 | |
| 3.3 |
| Thermal Shock Resistance, points | 76 to 91 | |
| 52 to 71 |
Alloy Composition
| Aluminum (Al), % | 5.5 to 6.8 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.25 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 to 0.15 |
| Titanium (Ti), % | 87.4 to 91 | |
| 92.6 to 95.5 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 2.0 to 3.0 |
| Yttrium (Y), % | 0 to 0.0050 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |