EN 1.7710 Steel vs. Grade 20 Titanium
EN 1.7710 steel belongs to the iron alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is EN 1.7710 steel and the bottom bar is grade 20 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 6.8 to 11 | |
| 5.7 to 17 |
| Fatigue Strength, MPa | 500 to 620 | |
| 550 to 630 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 47 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 1070 | |
| 900 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 800 to 1060 | |
| 850 to 1190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 440 | |
| 370 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1660 |
| Melting Onset (Solidus), °C | 1430 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 520 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 52 |
| Embodied Energy, MJ/kg | 30 | |
| 860 |
| Embodied Water, L/kg | 57 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 73 to 100 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1680 to 2970 | |
| 2940 to 5760 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 33 |
| Strength to Weight: Axial, points | 33 to 38 | |
| 50 to 70 |
| Strength to Weight: Bending, points | 27 to 30 | |
| 41 to 52 |
| Thermal Shock Resistance, points | 27 to 31 | |
| 55 to 77 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 4.0 |
| Carbon (C), % | 0.12 to 0.18 | |
| 0 to 0.050 |
| Chromium (Cr), % | 1.3 to 1.8 | |
| 5.5 to 6.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 95.1 to 97 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0.8 to 1.0 | |
| 3.5 to 4.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.12 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 71 to 77 |
| Vanadium (V), % | 0.15 to 0.25 | |
| 7.5 to 8.5 |
| Zirconium (Zr), % | 0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |