Solution-treated Grade 20 Titanium vs. Solution Treated Nickel 718
Solution-treated grade 20 titanium belongs to the titanium alloys classification, while solution treated nickel 718 belongs to the nickel alloys. There are 25 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 solution-treated grade 20 titanium and the bottom bar is solution treated nickel 718.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 17 | |
| 34 |
| Fatigue Strength, MPa | 550 | |
| 540 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 47 | |
| 75 |
| Shear Strength, MPa | 560 | |
| 800 |
| Tensile Strength: Ultimate (UTS), MPa | 900 | |
| 1200 |
| Tensile Strength: Yield (Proof), MPa | 850 | |
| 750 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 980 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1340 |
| Melting Onset (Solidus), °C | 1600 | |
| 1260 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 450 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 13 |
| Embodied Energy, MJ/kg | 860 | |
| 190 |
| Embodied Water, L/kg | 350 | |
| 250 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 | |
| 350 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 | |
| 1440 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 33 | |
| 23 |
| Strength to Weight: Axial, points | 50 | |
| 40 |
| Strength to Weight: Bending, points | 41 | |
| 30 |
| Thermal Shock Resistance, points | 55 | |
| 35 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0.2 to 0.8 |
| Boron (B), % | 0 | |
| 0 to 0.0060 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.080 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 17 to 21 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 11.1 to 24.6 |
| Manganese (Mn), % | 0 | |
| 0 to 0.35 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 2.8 to 3.3 |
| Nickel (Ni), % | 0 | |
| 50 to 55 |
| Niobium (Nb), % | 0 | |
| 4.8 to 5.5 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 71 to 77 | |
| 0.65 to 1.2 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |