Grade 5 Titanium vs. ASTM B817 Type II
Both grade 5 titanium and ASTM B817 type II are titanium alloys. They have a very high 95% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is grade 5 titanium and the bottom bar is ASTM B817 type II.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 8.6 to 11 | |
| 3.0 to 13 |
| Fatigue Strength, MPa | 530 to 630 | |
| 390 to 530 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Reduction in Area, % | 21 to 25 | |
| 4.0 to 13 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 1000 to 1190 | |
| 900 to 960 |
| Tensile Strength: Yield (Proof), MPa | 910 to 1110 | |
| 780 to 900 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 350 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1580 |
| Melting Onset (Solidus), °C | 1650 | |
| 1530 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 550 |
| Thermal Expansion, µm/m-K | 8.9 | |
| 9.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 37 |
| Density, g/cm3 | 4.4 | |
| 4.6 |
| Embodied Carbon, kg CO2/kg material | 38 | |
| 40 |
| Embodied Energy, MJ/kg | 610 | |
| 650 |
| Embodied Water, L/kg | 200 | |
| 220 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 110 | |
| 26 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3980 to 5880 | |
| 2890 to 3890 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 34 |
| Strength to Weight: Axial, points | 62 to 75 | |
| 55 to 58 |
| Strength to Weight: Bending, points | 50 to 56 | |
| 45 to 47 |
| Thermal Shock Resistance, points | 76 to 91 | |
| 62 to 66 |
Alloy Composition
| Aluminum (Al), % | 5.5 to 6.8 | |
| 5.0 to 6.0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.1 |
| Chlorine (Cl), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 0 | |
| 0.35 to 1.0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.4 | |
| 0.35 to 1.0 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 to 0.040 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 to 0.3 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Sodium (Na), % | 0 | |
| 0 to 0.2 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 87.4 to 91 | |
| 82.1 to 87.8 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 5.0 to 6.0 |
| Yttrium (Y), % | 0 to 0.0050 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |