Grade 25 Titanium vs. R56406 Titanium
Both grade 25 titanium and R56406 titanium are titanium alloys. Both are furnished in the annealed condition. Their average alloy composition is basically identical. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is grade 25 titanium and the bottom bar is R56406 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 11 | |
| 9.1 |
| Fatigue Strength, MPa | 550 | |
| 480 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Reduction in Area, % | 29 | |
| 16 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 | |
| 980 |
| Tensile Strength: Yield (Proof), MPa | 940 | |
| 850 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 340 | |
| 340 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1610 |
| Melting Onset (Solidus), °C | 1560 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 560 |
| Thermal Conductivity, W/m-K | 7.1 | |
| 7.1 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 9.6 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 2.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 43 | |
| 38 |
| Embodied Energy, MJ/kg | 700 | |
| 610 |
| Embodied Water, L/kg | 320 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 85 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4220 | |
| 3420 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 35 |
| Strength to Weight: Axial, points | 62 | |
| 61 |
| Strength to Weight: Bending, points | 50 | |
| 49 |
| Thermal Diffusivity, mm2/s | 2.8 | |
| 2.8 |
| Thermal Shock Resistance, points | 71 | |
| 69 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 6.8 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.1 |
| Hydrogen (H), % | 0 to 0.013 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0.3 to 0.8 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 to 0.2 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Titanium (Ti), % | 86.7 to 90.6 | |
| 88.1 to 91 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 3.5 to 4.5 |
| Residuals, % | 0 to 0.4 | |
| 0 |