Grade 5 Titanium vs. Grade 29 Titanium
Both grade 5 titanium and grade 29 titanium are titanium alloys. Their average alloy composition is basically identical. 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 29 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 8.6 to 11 | |
| 6.8 to 11 |
| Fatigue Strength, MPa | 530 to 630 | |
| 460 to 510 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Reduction in Area, % | 21 to 25 | |
| 17 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Shear Strength, MPa | 600 to 710 | |
| 550 to 560 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 to 1190 | |
| 930 to 940 |
| Tensile Strength: Yield (Proof), MPa | 910 to 1110 | |
| 850 to 870 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 340 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1610 |
| Melting Onset (Solidus), °C | 1650 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 560 |
| Thermal Conductivity, W/m-K | 6.8 | |
| 7.3 |
| Thermal Expansion, µm/m-K | 8.9 | |
| 9.3 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 36 |
| Density, g/cm3 | 4.4 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 38 | |
| 39 |
| Embodied Energy, MJ/kg | 610 | |
| 640 |
| Embodied Water, L/kg | 200 | |
| 410 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 110 | |
| 62 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3980 to 5880 | |
| 3420 to 3540 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 35 |
| Strength to Weight: Axial, points | 62 to 75 | |
| 58 to 59 |
| Strength to Weight: Bending, points | 50 to 56 | |
| 47 to 48 |
| Thermal Diffusivity, mm2/s | 2.7 | |
| 2.9 |
| Thermal Shock Resistance, points | 76 to 91 | |
| 68 to 69 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 6.8 | |
| 5.5 to 6.5 |
| 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 0.13 |
| Ruthenium (Ru), % | 0 | |
| 0.080 to 0.14 |
| Titanium (Ti), % | 87.4 to 91 | |
| 88 to 90.9 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 3.5 to 4.5 |
| Yttrium (Y), % | 0 to 0.0050 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |