Grade 7 Titanium vs. Grade CW2M Nickel
Grade 7 titanium belongs to the titanium alloys classification, while grade CW2M nickel belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is grade 7 titanium and the bottom bar is grade CW2M nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 210 |
| Elongation at Break, % | 24 | |
| 23 |
| Fatigue Strength, MPa | 250 | |
| 190 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 38 | |
| 83 |
| Tensile Strength: Ultimate (UTS), MPa | 420 | |
| 560 |
| Tensile Strength: Yield (Proof), MPa | 340 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 960 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1520 |
| Melting Onset (Solidus), °C | 1610 | |
| 1460 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 430 |
| Thermal Expansion, µm/m-K | 9.2 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 12 |
| Embodied Energy, MJ/kg | 800 | |
| 170 |
| Embodied Water, L/kg | 470 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 95 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 560 | |
| 220 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 23 |
| Strength to Weight: Axial, points | 26 | |
| 18 |
| Strength to Weight: Bending, points | 28 | |
| 17 |
| Thermal Shock Resistance, points | 31 | |
| 16 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.020 |
| Chromium (Cr), % | 0 | |
| 15 to 17.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 0 to 2.0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 15 to 17.5 |
| Nickel (Ni), % | 0 | |
| 60.1 to 70 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Palladium (Pd), % | 0.12 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0 to 0.8 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 98.7 to 99.88 | |
| 0 |
| Tungsten (W), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.4 | |
| 0 |