Grade 12 Titanium vs. EN 1.1127 Steel
Grade 12 titanium belongs to the titanium alloys classification, while EN 1.1127 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is grade 12 titanium and the bottom bar is EN 1.1127 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 | |
| 190 to 230 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 21 | |
| 14 to 25 |
| Fatigue Strength, MPa | 280 | |
| 280 to 370 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 73 |
| Shear Strength, MPa | 330 | |
| 420 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 660 to 790 |
| Tensile Strength: Yield (Proof), MPa | 410 | |
| 410 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 400 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1460 |
| Melting Onset (Solidus), °C | 1610 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 49 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.6 | |
| 8.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 2.1 |
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 31 | |
| 1.5 |
| Embodied Energy, MJ/kg | 500 | |
| 19 |
| Embodied Water, L/kg | 110 | |
| 49 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 90 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 770 | |
| 440 to 880 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 32 | |
| 23 to 28 |
| Strength to Weight: Bending, points | 32 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 8.5 | |
| 13 |
| Thermal Shock Resistance, points | 37 | |
| 21 to 25 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0.34 to 0.42 |
| Chromium (Cr), % | 0 | |
| 0 to 0.4 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 96.6 to 98.1 |
| Manganese (Mn), % | 0 | |
| 1.4 to 1.7 |
| Molybdenum (Mo), % | 0.2 to 0.4 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0.6 to 0.9 | |
| 0 to 0.4 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.035 |
| Titanium (Ti), % | 97.6 to 99.2 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |