Grade 20 Titanium vs. EN 2.4878 Nickel
Grade 20 titanium belongs to the titanium alloys classification, while EN 2.4878 nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is grade 20 titanium and the bottom bar is EN 2.4878 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 5.7 to 17 | |
| 13 to 17 |
| Fatigue Strength, MPa | 550 to 630 | |
| 400 to 410 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 47 | |
| 78 |
| Shear Strength, MPa | 560 to 740 | |
| 750 to 760 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 1210 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 740 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 1030 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1370 |
| Melting Onset (Solidus), °C | 1600 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 460 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 10 |
| Embodied Energy, MJ/kg | 860 | |
| 150 |
| Embodied Water, L/kg | 350 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 150 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 to 5760 | |
| 1370 to 1540 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 33 | |
| 24 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 41 to 42 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 31 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 37 to 39 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 1.2 to 1.6 |
| Boron (B), % | 0 | |
| 0.010 to 0.015 |
| Carbon (C), % | 0 to 0.050 | |
| 0.030 to 0.070 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 23 to 25 |
| Cobalt (Co), % | 0 | |
| 19 to 21 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 1.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 1.0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 43.6 to 52.2 |
| Niobium (Nb), % | 0 | |
| 0.7 to 1.2 |
| 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 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.0070 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 71 to 77 | |
| 2.8 to 3.2 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0.030 to 0.070 |
| Residuals, % | 0 to 0.4 | |
| 0 |