Titanium 4-4-2 vs. Grade Ti-Pd17 Titanium
Both titanium 4-4-2 and grade Ti-Pd17 titanium are titanium alloys. They have 89% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is titanium 4-4-2 and the bottom bar is grade Ti-Pd17 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 10 | |
| 22 |
| Fatigue Strength, MPa | 590 to 620 | |
| 140 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 42 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 1150 to 1250 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 1030 to 1080 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 320 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1660 |
| Melting Onset (Solidus), °C | 1560 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 540 |
| Thermal Conductivity, W/m-K | 6.7 | |
| 21 |
| Thermal Expansion, µm/m-K | 8.6 | |
| 8.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.7 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 36 |
| Embodied Energy, MJ/kg | 480 | |
| 600 |
| Embodied Water, L/kg | 180 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 55 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4700 to 5160 | |
| 180 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 34 | |
| 35 |
| Strength to Weight: Axial, points | 68 to 74 | |
| 17 |
| Strength to Weight: Bending, points | 52 to 55 | |
| 21 |
| Thermal Diffusivity, mm2/s | 2.6 | |
| 8.8 |
| Thermal Shock Resistance, points | 86 to 93 | |
| 21 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 5.0 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.1 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.2 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.030 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 to 0.25 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Silicon (Si), % | 0.3 to 0.7 | |
| 0 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 85.8 to 92.2 | |
| 98.9 to 99.96 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |