EN 1.6771 Steel vs. Grade 11 Titanium
EN 1.6771 steel belongs to the iron alloys classification, while grade 11 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.6771 steel and the bottom bar is grade 11 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 280 to 350 | |
| 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 8.0 to 8.7 | |
| 29 |
| Fatigue Strength, MPa | 440 to 680 | |
| 170 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 1180 | |
| 310 |
| Tensile Strength: Yield (Proof), MPa | 740 to 1140 | |
| 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 440 | |
| 320 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1660 |
| Melting Onset (Solidus), °C | 1420 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 540 |
| Thermal Conductivity, W/m-K | 46 | |
| 22 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.2 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 3.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.2 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 47 |
| Embodied Energy, MJ/kg | 25 | |
| 800 |
| Embodied Water, L/kg | 58 | |
| 470 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 75 to 93 | |
| 81 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1460 to 3450 | |
| 240 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 33 to 41 | |
| 19 |
| Strength to Weight: Bending, points | 27 to 31 | |
| 22 |
| Thermal Diffusivity, mm2/s | 13 | |
| 8.9 |
| Thermal Shock Resistance, points | 27 to 35 | |
| 22 |
Alloy Composition
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| Carbon (C), % | 0.27 to 0.33 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 92.2 to 95 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0.3 to 0.6 | |
| 0 |
| Nickel (Ni), % | 3.0 to 4.0 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.18 |
| Palladium (Pd), % | 0 | |
| 0.12 to 0.25 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98.8 to 99.88 |
| Residuals, % | 0 | |
| 0 to 0.4 |