Grade 28 Titanium vs. EN 1.3555 Steel
Grade 28 titanium belongs to the titanium alloys classification, while EN 1.3555 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is grade 28 titanium and the bottom bar is EN 1.3555 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 980 | |
| 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 540 |
| Melting Completion (Liquidus), °C | 1640 | |
| 1500 |
| Melting Onset (Solidus), °C | 1590 | |
| 1450 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 460 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 9.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 11 |
| Density, g/cm3 | 4.5 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 37 | |
| 5.6 |
| Embodied Energy, MJ/kg | 600 | |
| 81 |
| Embodied Water, L/kg | 370 | |
| 90 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 43 to 61 | |
| 27 |
| Strength to Weight: Bending, points | 39 to 49 | |
| 23 |
| Thermal Shock Resistance, points | 47 to 66 | |
| 22 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0.1 to 0.15 |
| Chromium (Cr), % | 0 | |
| 3.9 to 4.3 |
| Copper (Cu), % | 0 | |
| 0 to 0.1 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 85.4 to 87.7 |
| Manganese (Mn), % | 0 | |
| 0.15 to 0.35 |
| Molybdenum (Mo), % | 0 | |
| 4.0 to 4.5 |
| Nickel (Ni), % | 0 | |
| 3.2 to 3.6 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Ruthenium (Ru), % | 0.080 to 0.14 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.1 to 0.25 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Titanium (Ti), % | 92.4 to 95.4 | |
| 0 |
| Tungsten (W), % | 0 | |
| 0 to 0.15 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 1.0 to 1.3 |
| Residuals, % | 0 to 0.4 | |
| 0 |