Grade 38 Titanium vs. R60705 Alloy
Grade 38 titanium belongs to the titanium alloys classification, while R60705 alloy belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is grade 38 titanium and the bottom bar is R60705 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 98 |
| Elongation at Break, % | 11 | |
| 18 |
| Fatigue Strength, MPa | 530 | |
| 290 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 40 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 910 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 270 |
| Thermal Conductivity, W/m-K | 8.0 | |
| 17 |
| Thermal Expansion, µm/m-K | 9.3 | |
| 6.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 6.7 |
| Embodied Water, L/kg | 160 | |
| 450 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 90 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3840 | |
| 950 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 35 | |
| 23 |
| Strength to Weight: Axial, points | 62 | |
| 22 |
| Strength to Weight: Bending, points | 49 | |
| 22 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 9.5 |
| Thermal Shock Resistance, points | 72 | |
| 63 |
Alloy Composition
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| Aluminum (Al), % | 3.5 to 4.5 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 0 to 0.2 |
| Hafnium (Hf), % | 0 | |
| 0 to 4.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.0050 |
| Iron (Fe), % | 1.2 to 1.8 | |
| 0 to 0.2 |
| Niobium (Nb), % | 0 | |
| 2.0 to 3.0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 to 0.025 |
| Oxygen (O), % | 0.2 to 0.3 | |
| 0 to 0.18 |
| Titanium (Ti), % | 89.9 to 93.1 | |
| 0 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 91 to 98 |
| Residuals, % | 0 to 0.4 | |
| 0 |