Grade Ti-Pd18 Titanium vs. Titanium 6-7
Both grade Ti-Pd18 titanium and titanium 6-7 are titanium alloys. They have 90% of their average alloy composition in common. There are 24 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 Ti-Pd18 titanium and the bottom bar is titanium 6-7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 17 | |
| 11 |
| Fatigue Strength, MPa | 350 | |
| 530 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 710 | |
| 1020 |
| Tensile Strength: Yield (Proof), MPa | 540 | |
| 900 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 300 |
| Melting Completion (Liquidus), °C | 1640 | |
| 1700 |
| Melting Onset (Solidus), °C | 1590 | |
| 1650 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 520 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 9.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 5.1 |
| Embodied Carbon, kg CO2/kg material | 41 | |
| 34 |
| Embodied Energy, MJ/kg | 670 | |
| 540 |
| Embodied Water, L/kg | 270 | |
| 190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1380 | |
| 3460 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 32 |
| Strength to Weight: Axial, points | 44 | |
| 56 |
| Strength to Weight: Bending, points | 39 | |
| 44 |
| Thermal Shock Resistance, points | 52 | |
| 66 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 5.5 to 6.5 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.0090 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.25 |
| Molybdenum (Mo), % | 0 | |
| 6.5 to 7.5 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 6.5 to 7.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 to 0.2 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.5 |
| Titanium (Ti), % | 92.5 to 95.5 | |
| 84.9 to 88 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |