Grade 12 Titanium vs. EN 1.6554 Steel
Grade 12 titanium belongs to the titanium alloys classification, while EN 1.6554 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is grade 12 titanium and the bottom bar is EN 1.6554 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 | |
| 230 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 21 | |
| 17 to 21 |
| Fatigue Strength, MPa | 280 | |
| 380 to 520 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 780 to 930 |
| Tensile Strength: Yield (Proof), MPa | 410 | |
| 550 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 420 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1460 |
| Melting Onset (Solidus), °C | 1610 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 40 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.6 | |
| 8.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 3.4 |
| Density, g/cm3 | 4.5 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 31 | |
| 1.7 |
| Embodied Energy, MJ/kg | 500 | |
| 22 |
| Embodied Water, L/kg | 110 | |
| 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 140 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 770 | |
| 810 to 1650 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 32 | |
| 27 to 33 |
| Strength to Weight: Bending, points | 32 | |
| 24 to 27 |
| Thermal Diffusivity, mm2/s | 8.5 | |
| 11 |
| Thermal Shock Resistance, points | 37 | |
| 23 to 27 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0.23 to 0.28 |
| Chromium (Cr), % | 0 | |
| 0.7 to 0.9 |
| Copper (Cu), % | 0 | |
| 0 to 0.3 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 94.6 to 97.3 |
| Manganese (Mn), % | 0 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0.2 to 0.4 | |
| 0.2 to 0.3 |
| Nickel (Ni), % | 0.6 to 0.9 | |
| 1.0 to 2.0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0 to 0.6 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Titanium (Ti), % | 97.6 to 99.2 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0 to 0.030 |
| Residuals, % | 0 to 0.4 | |
| 0 |