Grade 21 Titanium vs. N06230 Nickel
Grade 21 titanium belongs to the titanium alloys classification, while N06230 nickel belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is grade 21 titanium and the bottom bar is N06230 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 140 | |
| 210 |
| Elongation at Break, % | 9.0 to 17 | |
| 38 to 48 |
| Fatigue Strength, MPa | 550 to 660 | |
| 250 to 360 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 51 | |
| 83 |
| Shear Strength, MPa | 550 to 790 | |
| 420 to 600 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1340 | |
| 620 to 840 |
| Tensile Strength: Yield (Proof), MPa | 870 to 1170 | |
| 330 to 400 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 990 |
| Melting Completion (Liquidus), °C | 1740 | |
| 1370 |
| Melting Onset (Solidus), °C | 1690 | |
| 1300 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 420 |
| Thermal Conductivity, W/m-K | 7.5 | |
| 8.9 |
| Thermal Expansion, µm/m-K | 7.1 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 60 | |
| 85 |
| Density, g/cm3 | 5.4 | |
| 9.5 |
| Embodied Carbon, kg CO2/kg material | 32 | |
| 11 |
| Embodied Energy, MJ/kg | 490 | |
| 160 |
| Embodied Water, L/kg | 180 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 180 | |
| 200 to 330 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2760 to 5010 | |
| 250 to 380 |
| Stiffness to Weight: Axial, points | 14 | |
| 12 |
| Stiffness to Weight: Bending, points | 32 | |
| 21 |
| Strength to Weight: Axial, points | 46 to 69 | |
| 18 to 25 |
| Strength to Weight: Bending, points | 38 to 50 | |
| 17 to 21 |
| Thermal Diffusivity, mm2/s | 2.8 | |
| 2.3 |
| Thermal Shock Resistance, points | 66 to 100 | |
| 17 to 23 |
Alloy Composition
| Aluminum (Al), % | 2.5 to 3.5 | |
| 0.2 to 0.5 |
| Boron (B), % | 0 | |
| 0 to 0.015 |
| Carbon (C), % | 0 to 0.050 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 0 | |
| 20 to 24 |
| Cobalt (Co), % | 0 | |
| 0 to 5.0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 3.0 |
| Lanthanum (La), % | 0 | |
| 0.0050 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0.3 to 1.0 |
| Molybdenum (Mo), % | 14 to 16 | |
| 1.0 to 3.0 |
| Nickel (Ni), % | 0 | |
| 47.5 to 65.2 |
| Niobium (Nb), % | 2.2 to 3.2 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.17 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0.15 to 0.25 | |
| 0.25 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 76 to 81.2 | |
| 0 |
| Tungsten (W), % | 0 | |
| 13 to 15 |
| Residuals, % | 0 to 0.4 | |
| 0 |