Grade 19 Titanium vs. EN 1.7709 Steel
Grade 19 titanium belongs to the titanium alloys classification, while EN 1.7709 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is grade 19 titanium and the bottom bar is EN 1.7709 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 47 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1300 | |
| 650 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 440 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1470 |
| Melting Onset (Solidus), °C | 1600 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 470 |
| Thermal Conductivity, W/m-K | 6.2 | |
| 33 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 45 | |
| 3.4 |
| Density, g/cm3 | 5.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 2.3 |
| Embodied Energy, MJ/kg | 760 | |
| 32 |
| Embodied Water, L/kg | 230 | |
| 56 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 33 | |
| 24 |
| Strength to Weight: Axial, points | 49 to 72 | |
| 23 to 27 |
| Strength to Weight: Bending, points | 41 to 53 | |
| 21 to 24 |
| Thermal Diffusivity, mm2/s | 2.4 | |
| 8.9 |
| Thermal Shock Resistance, points | 57 to 83 | |
| 22 to 26 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 to 0.030 |
| Carbon (C), % | 0 to 0.050 | |
| 0.17 to 0.25 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 1.2 to 1.5 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 95.2 to 97.5 |
| Manganese (Mn), % | 0 | |
| 0.4 to 0.8 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0.55 to 0.8 |
| Nickel (Ni), % | 0 | |
| 0 to 0.6 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 71.1 to 77 | |
| 0 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0.2 to 0.35 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |