Titanium 4-4-2 vs. Grade 5 Titanium
Both titanium 4-4-2 and grade 5 titanium are titanium alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is titanium 4-4-2 and the bottom bar is grade 5 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 10 | |
| 8.6 to 11 |
| Fatigue Strength, MPa | 590 to 620 | |
| 530 to 630 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Reduction in Area, % | 20 | |
| 21 to 25 |
| Shear Modulus, GPa | 42 | |
| 40 |
| Shear Strength, MPa | 690 to 750 | |
| 600 to 710 |
| Tensile Strength: Ultimate (UTS), MPa | 1150 to 1250 | |
| 1000 to 1190 |
| Tensile Strength: Yield (Proof), MPa | 1030 to 1080 | |
| 910 to 1110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 330 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1610 |
| Melting Onset (Solidus), °C | 1560 | |
| 1650 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 560 |
| Thermal Conductivity, W/m-K | 6.7 | |
| 6.8 |
| Thermal Expansion, µm/m-K | 8.6 | |
| 8.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 36 |
| Density, g/cm3 | 4.7 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 38 |
| Embodied Energy, MJ/kg | 480 | |
| 610 |
| Embodied Water, L/kg | 180 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 100 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4700 to 5160 | |
| 3980 to 5880 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 34 | |
| 35 |
| Strength to Weight: Axial, points | 68 to 74 | |
| 62 to 75 |
| Strength to Weight: Bending, points | 52 to 55 | |
| 50 to 56 |
| Thermal Diffusivity, mm2/s | 2.6 | |
| 2.7 |
| Thermal Shock Resistance, points | 86 to 93 | |
| 76 to 91 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 5.0 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.4 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 to 0.2 |
| Silicon (Si), % | 0.3 to 0.7 | |
| 0 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 85.8 to 92.2 | |
| 87.4 to 91 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Yttrium (Y), % | 0 | |
| 0 to 0.0050 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |