Grade 19 Titanium vs. Grade 38 Titanium
Both grade 19 titanium and grade 38 titanium are titanium alloys. They have 81% of their average alloy composition in common. 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 19 titanium and the bottom bar is grade 38 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 5.6 to 17 | |
| 11 |
| Fatigue Strength, MPa | 550 to 620 | |
| 530 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Reduction in Area, % | 22 | |
| 29 |
| Shear Modulus, GPa | 47 | |
| 40 |
| Shear Strength, MPa | 550 to 750 | |
| 600 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1300 | |
| 1000 |
| Tensile Strength: Yield (Proof), MPa | 870 to 1170 | |
| 910 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 330 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1620 |
| Melting Onset (Solidus), °C | 1600 | |
| 1570 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 550 |
| Thermal Conductivity, W/m-K | 6.2 | |
| 8.0 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 9.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 45 | |
| 36 |
| Density, g/cm3 | 5.0 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 35 |
| Embodied Energy, MJ/kg | 760 | |
| 560 |
| Embodied Water, L/kg | 230 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 70 to 150 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3040 to 5530 | |
| 3840 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 33 | |
| 35 |
| Strength to Weight: Axial, points | 49 to 72 | |
| 62 |
| Strength to Weight: Bending, points | 41 to 53 | |
| 49 |
| Thermal Diffusivity, mm2/s | 2.4 | |
| 3.2 |
| Thermal Shock Resistance, points | 57 to 83 | |
| 72 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 3.5 to 4.5 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.080 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.3 | |
| 1.2 to 1.8 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 to 0.12 | |
| 0.2 to 0.3 |
| Titanium (Ti), % | 71.1 to 77 | |
| 89.9 to 93.1 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 2.0 to 3.0 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |