Grade 12 Titanium vs. EN 1.1152 Steel
Grade 12 titanium belongs to the titanium alloys classification, while EN 1.1152 steel belongs to the iron alloys.
For each property being compared, the top bar is grade 12 titanium and the bottom bar is EN 1.1152 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 | |
| 120 to 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 21 | |
| 12 to 22 |
| Fatigue Strength, MPa | 280 | |
| 190 to 300 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Reduction in Area, % | 28 | |
| 63 to 73 |
| Shear Modulus, GPa | 39 | |
| 73 |
| Shear Strength, MPa | 330 | |
| 290 to 340 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 400 to 550 |
| Tensile Strength: Yield (Proof), MPa | 410 | |
| 270 to 440 |
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 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 52 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.6 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 1.8 |
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 31 | |
| 1.4 |
| Embodied Energy, MJ/kg | 500 | |
| 18 |
| Embodied Water, L/kg | 110 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 41 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 770 | |
| 200 to 530 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 32 | |
| 14 to 19 |
| Strength to Weight: Bending, points | 32 | |
| 15 to 19 |
| Thermal Diffusivity, mm2/s | 8.5 | |
| 14 |
| Thermal Shock Resistance, points | 37 | |
| 13 to 17 |
Alloy Composition
| Carbon (C), % | 0 to 0.080 | |
| 0.18 to 0.22 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 98.6 to 99.52 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 0.2 to 0.4 | |
| 0 |
| Nickel (Ni), % | 0.6 to 0.9 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Titanium (Ti), % | 97.6 to 99.2 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |