Grade 38 Titanium vs. R05240 Alloy
Grade 38 titanium belongs to the titanium alloys classification, while R05240 alloy belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is grade 38 titanium and the bottom bar is R05240 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 150 |
| Elongation at Break, % | 11 | |
| 25 |
| Poisson's Ratio | 0.32 | |
| 0.36 |
| Shear Modulus, GPa | 40 | |
| 57 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 910 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 210 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 190 |
| Thermal Expansion, µm/m-K | 9.3 | |
| 6.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 14 |
| Embodied Water, L/kg | 160 | |
| 460 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 59 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3840 | |
| 90 |
| Stiffness to Weight: Axial, points | 13 | |
| 6.3 |
| Stiffness to Weight: Bending, points | 35 | |
| 13 |
| Strength to Weight: Axial, points | 62 | |
| 5.4 |
| Strength to Weight: Bending, points | 49 | |
| 6.8 |
| Thermal Shock Resistance, points | 72 | |
| 18 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 4.5 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.010 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.0015 |
| Iron (Fe), % | 1.2 to 1.8 | |
| 0 to 0.010 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Niobium (Nb), % | 0 | |
| 35 to 42 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 to 0.010 |
| Oxygen (O), % | 0.2 to 0.3 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 0.0050 |
| Tantalum (Ta), % | 0 | |
| 57.9 to 65 |
| Titanium (Ti), % | 89.9 to 93.1 | |
| 0 to 0.010 |
| Tungsten (W), % | 0 | |
| 0 to 0.050 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |