Grade 19 Titanium vs. ASTM A514 Steel
Grade 19 titanium belongs to the titanium alloys classification, while ASTM A514 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is grade 19 titanium and the bottom bar is ASTM A514 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 5.6 to 17 | |
| 18 to 21 |
| Fatigue Strength, MPa | 550 to 620 | |
| 470 to 540 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 47 | |
| 73 |
| Shear Strength, MPa | 550 to 750 | |
| 490 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1300 | |
| 790 to 830 |
| Tensile Strength: Yield (Proof), MPa | 870 to 1170 | |
| 690 to 770 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 250 to 260 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 400 to 440 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1460 |
| Melting Onset (Solidus), °C | 1600 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 470 |
| Thermal Conductivity, W/m-K | 6.2 | |
| 37 to 51 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 45 | |
| 2.3 to 3.8 |
| Density, g/cm3 | 5.0 | |
| 7.8 to 7.9 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 1.6 to 1.8 |
| Embodied Energy, MJ/kg | 760 | |
| 21 to 25 |
| Embodied Water, L/kg | 230 | |
| 48 to 57 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 70 to 150 | |
| 140 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3040 to 5530 | |
| 1280 to 1590 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 33 | |
| 24 |
| Strength to Weight: Axial, points | 49 to 72 | |
| 28 to 29 |
| Strength to Weight: Bending, points | 41 to 53 | |
| 24 to 25 |
| Thermal Diffusivity, mm2/s | 2.4 | |
| 10 to 14 |
| Thermal Shock Resistance, points | 57 to 83 | |
| 23 to 24 |