EN 1.1151 Steel vs. Grade 9 Titanium
EN 1.1151 steel belongs to the iron alloys classification, while grade 9 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is EN 1.1151 steel and the bottom bar is grade 9 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 21 to 26 | |
| 11 to 17 |
| Fatigue Strength, MPa | 180 to 240 | |
| 330 to 480 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Shear Strength, MPa | 300 to 330 | |
| 430 to 580 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 520 | |
| 700 to 960 |
| Tensile Strength: Yield (Proof), MPa | 240 to 340 | |
| 540 to 830 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 330 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1640 |
| Melting Onset (Solidus), °C | 1420 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 550 |
| Thermal Conductivity, W/m-K | 50 | |
| 8.1 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.1 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.1 | |
| 37 |
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 36 |
| Embodied Energy, MJ/kg | 19 | |
| 580 |
| Embodied Water, L/kg | 47 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 98 to 100 | |
| 89 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 160 to 310 | |
| 1380 to 3220 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 16 to 18 | |
| 43 to 60 |
| Strength to Weight: Bending, points | 17 to 18 | |
| 39 to 48 |
| Thermal Diffusivity, mm2/s | 13 | |
| 3.3 |
| Thermal Shock Resistance, points | 15 to 16 | |
| 52 to 71 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0.17 to 0.24 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 to 0.4 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 97.7 to 99.43 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0.4 to 0.7 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.4 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 |
| Sulfur (S), % | 0 to 0.035 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 92.6 to 95.5 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Residuals, % | 0 | |
| 0 to 0.4 |