ASTM A572 Steel vs. Grade 19 Titanium
ASTM A572 steel belongs to the iron alloys classification, while grade 19 titanium belongs to the titanium 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 ASTM A572 steel and the bottom bar is grade 19 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 18 to 25 | |
| 5.6 to 17 |
| Fatigue Strength, MPa | 240 to 340 | |
| 550 to 620 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 47 |
| Shear Strength, MPa | 300 to 380 | |
| 550 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 470 to 620 | |
| 890 to 1300 |
| Tensile Strength: Yield (Proof), MPa | 330 to 510 | |
| 870 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 370 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1660 |
| Melting Onset (Solidus), °C | 1420 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 520 |
| Thermal Conductivity, W/m-K | 51 | |
| 6.2 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.0 | |
| 45 |
| Density, g/cm3 | 7.8 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 1.6 | |
| 47 |
| Embodied Energy, MJ/kg | 22 | |
| 760 |
| Embodied Water, L/kg | 47 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 110 | |
| 70 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 290 to 690 | |
| 3040 to 5530 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 33 |
| Strength to Weight: Axial, points | 17 to 22 | |
| 49 to 72 |
| Strength to Weight: Bending, points | 17 to 21 | |
| 41 to 53 |
| Thermal Diffusivity, mm2/s | 14 | |
| 2.4 |
| Thermal Shock Resistance, points | 14 to 18 | |
| 57 to 83 |