ASTM B817 Type II vs. Titanium 15-3-3-3
Both ASTM B817 type II and titanium 15-3-3-3 are titanium alloys. They have 86% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is ASTM B817 type II and the bottom bar is titanium 15-3-3-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 100 |
| Elongation at Break, % | 3.0 to 13 | |
| 5.7 to 8.0 |
| Fatigue Strength, MPa | 390 to 530 | |
| 610 to 710 |
| Poisson's Ratio | 0.32 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 960 | |
| 1120 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 780 to 900 | |
| 1100 to 1340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 350 | |
| 430 |
| Melting Completion (Liquidus), °C | 1580 | |
| 1620 |
| Melting Onset (Solidus), °C | 1530 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 520 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 9.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 40 |
| Density, g/cm3 | 4.6 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 40 | |
| 59 |
| Embodied Energy, MJ/kg | 650 | |
| 950 |
| Embodied Water, L/kg | 220 | |
| 260 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 26 to 120 | |
| 78 to 89 |
| Stiffness to Weight: Axial, points | 13 | |
| 12 |
| Stiffness to Weight: Bending, points | 34 | |
| 32 |
| Strength to Weight: Axial, points | 55 to 58 | |
| 64 to 80 |
| Strength to Weight: Bending, points | 45 to 47 | |
| 50 to 57 |
| Thermal Shock Resistance, points | 62 to 66 | |
| 79 to 98 |
Alloy Composition
| Aluminum (Al), % | 5.0 to 6.0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.1 | |
| 0 to 0.050 |
| Chlorine (Cl), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 2.5 to 3.5 |
| Copper (Cu), % | 0.35 to 1.0 | |
| 0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 to 0.015 |
| Iron (Fe), % | 0.35 to 1.0 | |
| 0 to 0.25 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 to 0.13 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Sodium (Na), % | 0 to 0.2 | |
| 0 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 2.5 to 3.5 |
| Titanium (Ti), % | 82.1 to 87.8 | |
| 72.6 to 78.5 |
| Vanadium (V), % | 5.0 to 6.0 | |
| 14 to 16 |
| Residuals, % | 0 | |
| 0 to 0.4 |