EN 1.7366 Steel vs. Grade 17 Titanium
EN 1.7366 steel belongs to the iron alloys classification, while grade 17 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 1.7366 steel and the bottom bar is grade 17 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 17 to 19 | |
| 27 |
| Fatigue Strength, MPa | 160 to 320 | |
| 160 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 74 | |
| 38 |
| Shear Strength, MPa | 290 to 440 | |
| 180 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 710 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 230 to 480 | |
| 210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 510 | |
| 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 | 40 | |
| 23 |
| Thermal Expansion, µm/m-K | 13 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.1 | |
| 3.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.3 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.7 | |
| 36 |
| Embodied Energy, MJ/kg | 23 | |
| 600 |
| Embodied Water, L/kg | 69 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 74 to 110 | |
| 68 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 600 | |
| 220 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 16 to 25 | |
| 17 |
| Strength to Weight: Bending, points | 17 to 23 | |
| 21 |
| Thermal Diffusivity, mm2/s | 11 | |
| 9.3 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 21 |
Alloy Composition
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| Carbon (C), % | 0 to 0.18 | |
| 0 to 0.080 |
| Chromium (Cr), % | 4.0 to 6.0 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 91.9 to 95.3 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0.3 to 0.8 | |
| 0 |
| Molybdenum (Mo), % | 0.45 to 0.65 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.18 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 99.015 to 99.96 |
| Residuals, % | 0 | |
| 0 to 0.4 |