Titanium 15-3-3-3 vs. Ductile Cast Iron
Titanium 15-3-3-3 belongs to the titanium alloys classification, while ductile cast iron belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is titanium 15-3-3-3 and the bottom bar is ductile cast iron.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 170 to 180 |
| Elongation at Break, % | 5.7 to 8.0 | |
| 2.1 to 20 |
| Poisson's Ratio | 0.33 | |
| 0.28 to 0.31 |
| Shear Modulus, GPa | 39 | |
| 64 to 70 |
| Shear Strength, MPa | 660 to 810 | |
| 420 to 800 |
| Tensile Strength: Ultimate (UTS), MPa | 1120 to 1390 | |
| 460 to 920 |
| Tensile Strength: Yield (Proof), MPa | 1100 to 1340 | |
| 310 to 670 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 290 |
| Melting Completion (Liquidus), °C | 1620 | |
| 1160 |
| Melting Onset (Solidus), °C | 1560 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 490 |
| Thermal Conductivity, W/m-K | 8.1 | |
| 31 to 36 |
| Thermal Expansion, µm/m-K | 9.8 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.2 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 8.8 to 9.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 1.9 |
| Density, g/cm3 | 4.8 | |
| 7.1 to 7.5 |
| Embodied Carbon, kg CO2/kg material | 59 | |
| 1.5 |
| Embodied Energy, MJ/kg | 950 | |
| 21 |
| Embodied Water, L/kg | 260 | |
| 43 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 89 | |
| 17 to 80 |
| Stiffness to Weight: Axial, points | 12 | |
| 12 to 14 |
| Stiffness to Weight: Bending, points | 32 | |
| 24 to 26 |
| Strength to Weight: Axial, points | 64 to 80 | |
| 17 to 35 |
| Strength to Weight: Bending, points | 50 to 57 | |
| 18 to 29 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 8.9 to 10 |
| Thermal Shock Resistance, points | 79 to 98 | |
| 17 to 35 |
Alloy Composition
| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 3.0 to 3.5 |
| Chromium (Cr), % | 2.5 to 3.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 93.7 to 95.5 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.13 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.080 |
| Silicon (Si), % | 0 | |
| 1.5 to 2.8 |
| Tin (Sn), % | 2.5 to 3.5 | |
| 0 |
| Titanium (Ti), % | 72.6 to 78.5 | |
| 0 |
| Vanadium (V), % | 14 to 16 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |