Grade 28 Titanium vs. EN 1.1118 Cast Steel
Grade 28 titanium belongs to the titanium alloys classification, while EN 1.1118 cast steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is grade 28 titanium and the bottom bar is EN 1.1118 cast steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 11 to 17 | |
| 14 to 21 |
| Fatigue Strength, MPa | 330 to 480 | |
| 320 to 400 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 980 | |
| 700 to 750 |
| Tensile Strength: Yield (Proof), MPa | 540 to 810 | |
| 460 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 400 |
| Melting Completion (Liquidus), °C | 1640 | |
| 1460 |
| Melting Onset (Solidus), °C | 1590 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 470 |
| Thermal Conductivity, W/m-K | 8.3 | |
| 51 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 1.9 |
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 37 | |
| 1.4 |
| Embodied Energy, MJ/kg | 600 | |
| 19 |
| Embodied Water, L/kg | 370 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 110 | |
| 97 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1370 to 3100 | |
| 550 to 1050 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 43 to 61 | |
| 25 to 27 |
| Strength to Weight: Bending, points | 39 to 49 | |
| 22 to 23 |
| Thermal Diffusivity, mm2/s | 3.4 | |
| 14 |
| Thermal Shock Resistance, points | 47 to 66 | |
| 22 to 24 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0.2 to 0.25 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 97.3 to 98.3 |
| Manganese (Mn), % | 0 | |
| 1.5 to 1.8 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Ruthenium (Ru), % | 0.080 to 0.14 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 92.4 to 95.4 | |
| 0 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |