Grade 20 Titanium vs. EN 1.5520 Steel
Grade 20 titanium belongs to the titanium alloys classification, while EN 1.5520 steel belongs to the iron alloys. 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 20 titanium and the bottom bar is EN 1.5520 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 5.7 to 17 | |
| 11 to 21 |
| Fatigue Strength, MPa | 550 to 630 | |
| 210 to 300 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Reduction in Area, % | 23 | |
| 62 to 75 |
| Shear Modulus, GPa | 47 | |
| 73 |
| Shear Strength, MPa | 560 to 740 | |
| 290 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 410 to 1410 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 300 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 400 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1460 |
| Melting Onset (Solidus), °C | 1600 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 470 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 1.4 |
| Embodied Energy, MJ/kg | 860 | |
| 19 |
| Embodied Water, L/kg | 350 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 42 to 230 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 to 5760 | |
| 240 to 600 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 33 | |
| 24 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 15 to 50 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 16 to 36 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 12 to 41 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Boron (B), % | 0 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0 to 0.050 | |
| 0.15 to 0.2 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 0 to 0.3 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 97.7 to 98.9 |
| Manganese (Mn), % | 0 | |
| 0.9 to 1.2 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Titanium (Ti), % | 71 to 77 | |
| 0 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |