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