Grade 19 Titanium vs. EN 1.7703 Steel
Grade 19 titanium belongs to the titanium alloys classification, while EN 1.7703 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is grade 19 titanium and the bottom bar is EN 1.7703 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 5.6 to 17 | |
| 20 |
| Fatigue Strength, MPa | 550 to 620 | |
| 320 to 340 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 47 | |
| 74 |
| Shear Strength, MPa | 550 to 750 | |
| 420 to 430 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1300 | |
| 670 to 690 |
| Tensile Strength: Yield (Proof), MPa | 870 to 1170 | |
| 460 to 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 460 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1470 |
| Melting Onset (Solidus), °C | 1600 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 470 |
| Thermal Conductivity, W/m-K | 6.2 | |
| 39 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 45 | |
| 4.2 |
| Density, g/cm3 | 5.0 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 2.5 |
| Embodied Energy, MJ/kg | 760 | |
| 35 |
| Embodied Water, L/kg | 230 | |
| 61 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 70 to 150 | |
| 120 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3040 to 5530 | |
| 570 to 650 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 33 | |
| 24 |
| Strength to Weight: Axial, points | 49 to 72 | |
| 24 |
| Strength to Weight: Bending, points | 41 to 53 | |
| 22 |
| Thermal Diffusivity, mm2/s | 2.4 | |
| 11 |
| Thermal Shock Resistance, points | 57 to 83 | |
| 19 to 20 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0.11 to 0.15 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 2.0 to 2.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 94.6 to 96.4 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.6 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0.9 to 1.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.25 |
| Niobium (Nb), % | 0 | |
| 0 to 0.070 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 to 0.012 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 | |
| 0 to 0.0050 |
| Titanium (Ti), % | 71.1 to 77 | |
| 0 to 0.030 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0.25 to 0.35 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |