Grade 20 Titanium vs. Nickel 625
Grade 20 titanium belongs to the titanium alloys classification, while nickel 625 belongs to the nickel alloys. There are 25 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 grade 20 titanium and the bottom bar is nickel 625.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 5.7 to 17 | |
| 33 to 34 |
| Fatigue Strength, MPa | 550 to 630 | |
| 240 to 320 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 47 | |
| 79 |
| Shear Strength, MPa | 560 to 740 | |
| 530 to 600 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 790 to 910 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 320 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 980 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1350 |
| Melting Onset (Solidus), °C | 1600 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 440 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 14 |
| Embodied Energy, MJ/kg | 860 | |
| 190 |
| Embodied Water, L/kg | 350 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 220 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 to 5760 | |
| 260 to 490 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 33 | |
| 23 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 22 to 24 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 22 to 25 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 to 0.4 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.1 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 20 to 23 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 5.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 | |
| 58 to 68.9 |
| Niobium (Nb), % | 0 | |
| 3.2 to 4.2 |
| 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 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 71 to 77 | |
| 0 to 0.4 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |