Titanium 15-3-3-3 vs. Titanium 4-4-2
Both titanium 15-3-3-3 and titanium 4-4-2 are titanium alloys. They have 81% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is titanium 15-3-3-3 and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 5.7 to 8.0 | |
| 10 |
| Fatigue Strength, MPa | 610 to 710 | |
| 590 to 620 |
| Poisson's Ratio | 0.33 | |
| 0.32 |
| Shear Modulus, GPa | 39 | |
| 42 |
| Shear Strength, MPa | 660 to 810 | |
| 690 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 1120 to 1390 | |
| 1150 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 1100 to 1340 | |
| 1030 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 310 |
| Melting Completion (Liquidus), °C | 1620 | |
| 1610 |
| Melting Onset (Solidus), °C | 1560 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 540 |
| Thermal Conductivity, W/m-K | 8.1 | |
| 6.7 |
| Thermal Expansion, µm/m-K | 9.8 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 39 |
| Density, g/cm3 | 4.8 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 59 | |
| 30 |
| Embodied Energy, MJ/kg | 950 | |
| 480 |
| Embodied Water, L/kg | 260 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 89 | |
| 110 to 120 |
| Stiffness to Weight: Axial, points | 12 | |
| 13 |
| Stiffness to Weight: Bending, points | 32 | |
| 34 |
| Strength to Weight: Axial, points | 64 to 80 | |
| 68 to 74 |
| Strength to Weight: Bending, points | 50 to 57 | |
| 52 to 55 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 2.6 |
| Thermal Shock Resistance, points | 79 to 98 | |
| 86 to 93 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 3.0 to 5.0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.080 |
| Chromium (Cr), % | 2.5 to 3.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.2 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 5.0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 to 0.13 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 | |
| 0.3 to 0.7 |
| Tin (Sn), % | 2.5 to 3.5 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 72.6 to 78.5 | |
| 85.8 to 92.2 |
| Vanadium (V), % | 14 to 16 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |