Grade 35 Titanium vs. Grade 6 Titanium
Both grade 35 titanium and grade 6 titanium are titanium alloys. Both are furnished in the annealed condition. They have a very high 96% of their average alloy composition in common.
For each property being compared, the top bar is grade 35 titanium and the bottom bar is grade 6 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 5.6 | |
| 11 |
| Fatigue Strength, MPa | 330 | |
| 290 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Reduction in Area, % | 23 | |
| 27 |
| Shear Modulus, GPa | 41 | |
| 39 |
| Shear Strength, MPa | 580 | |
| 530 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 | |
| 890 |
| Tensile Strength: Yield (Proof), MPa | 630 | |
| 840 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 310 |
| Melting Completion (Liquidus), °C | 1630 | |
| 1580 |
| Melting Onset (Solidus), °C | 1580 | |
| 1530 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 550 |
| Thermal Conductivity, W/m-K | 7.4 | |
| 7.8 |
| Thermal Expansion, µm/m-K | 9.3 | |
| 9.4 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.1 | |
| 1.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.2 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 36 |
| Density, g/cm3 | 4.6 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 33 | |
| 30 |
| Embodied Energy, MJ/kg | 530 | |
| 480 |
| Embodied Water, L/kg | 170 | |
| 190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 49 | |
| 92 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1830 | |
| 3390 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 35 |
| Strength to Weight: Axial, points | 61 | |
| 55 |
| Strength to Weight: Bending, points | 49 | |
| 46 |
| Thermal Diffusivity, mm2/s | 3.0 | |
| 3.2 |
| Thermal Shock Resistance, points | 70 | |
| 65 |
Alloy Composition
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| Aluminum (Al), % | 4.0 to 5.0 | |
| 4.0 to 6.0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.015 |
| Iron (Fe), % | 0.2 to 0.8 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 1.5 to 2.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 to 0.2 |
| Silicon (Si), % | 0.2 to 0.4 | |
| 0 |
| Tin (Sn), % | 0 | |
| 2.0 to 3.0 |
| Titanium (Ti), % | 88.4 to 93 | |
| 89.8 to 94 |
| Vanadium (V), % | 1.1 to 2.1 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.4 |