Grade 20 Titanium vs. EN 1.7386 Steel
Grade 20 titanium belongs to the titanium alloys classification, while EN 1.7386 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is grade 20 titanium and the bottom bar is EN 1.7386 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 5.7 to 17 | |
| 18 to 21 |
| Fatigue Strength, MPa | 550 to 630 | |
| 170 to 290 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 47 | |
| 75 |
| Shear Strength, MPa | 560 to 740 | |
| 340 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 550 to 670 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 240 to 440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 600 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1450 |
| Melting Onset (Solidus), °C | 1600 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 480 |
| 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 | |
| 2.0 |
| Embodied Energy, MJ/kg | 860 | |
| 28 |
| Embodied Water, L/kg | 350 | |
| 88 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 92 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 to 5760 | |
| 150 to 490 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 33 | |
| 25 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 20 to 24 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 19 to 22 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 15 to 18 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 to 0.040 |
| Carbon (C), % | 0 to 0.050 | |
| 0.080 to 0.15 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 8.0 to 10 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 86.8 to 90.5 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0.9 to 1.1 |
| 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 | |
| 0.25 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| 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 |