ASTM A514 Steel vs. Grade 20 Titanium
ASTM A514 steel belongs to the iron alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is ASTM A514 steel and the bottom bar is grade 20 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 18 to 21 | |
| 5.7 to 17 |
| Fatigue Strength, MPa | 470 to 540 | |
| 550 to 630 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 47 |
| Shear Strength, MPa | 490 to 520 | |
| 560 to 740 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 830 | |
| 900 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 690 to 770 | |
| 850 to 1190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 to 260 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 400 to 440 | |
| 370 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1660 |
| Melting Onset (Solidus), °C | 1420 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 520 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 to 7.9 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 1.6 to 1.8 | |
| 52 |
| Embodied Energy, MJ/kg | 21 to 25 | |
| 860 |
| Embodied Water, L/kg | 48 to 57 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 170 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1280 to 1590 | |
| 2940 to 5760 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 33 |
| Strength to Weight: Axial, points | 28 to 29 | |
| 50 to 70 |
| Strength to Weight: Bending, points | 24 to 25 | |
| 41 to 52 |
| Thermal Shock Resistance, points | 23 to 24 | |
| 55 to 77 |