EN 1.5522 Steel vs. Grade 12 Titanium
EN 1.5522 steel belongs to the iron alloys classification, while grade 12 titanium belongs to the titanium alloys.
For each property being compared, the top bar is EN 1.5522 steel and the bottom bar is grade 12 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 190 | |
| 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 11 to 21 | |
| 21 |
| Fatigue Strength, MPa | 210 to 330 | |
| 280 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 59 to 69 | |
| 28 |
| Shear Modulus, GPa | 73 | |
| 39 |
| Shear Strength, MPa | 320 to 380 | |
| 330 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 1490 | |
| 530 |
| Tensile Strength: Yield (Proof), MPa | 300 to 520 | |
| 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 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 | 51 | |
| 21 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.6 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 3.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 6.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 37 |
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 31 |
| Embodied Energy, MJ/kg | 19 | |
| 500 |
| Embodied Water, L/kg | 47 | |
| 110 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 45 to 250 | |
| 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 to 720 | |
| 770 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 16 to 53 | |
| 32 |
| Strength to Weight: Bending, points | 17 to 37 | |
| 32 |
| Thermal Diffusivity, mm2/s | 14 | |
| 8.5 |
| Thermal Shock Resistance, points | 13 to 44 | |
| 37 |
Alloy Composition
| Boron (B), % | 0.00080 to 0.0050 | |
| 0 |
| Carbon (C), % | 0.2 to 0.24 | |
| 0 to 0.080 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 98 to 98.9 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.9 to 1.2 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.4 |
| Nickel (Ni), % | 0 | |
| 0.6 to 0.9 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 97.6 to 99.2 |
| Residuals, % | 0 | |
| 0 to 0.4 |