ASTM A572 Steel vs. Grade 28 Titanium
ASTM A572 steel belongs to the iron alloys classification, while grade 28 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is ASTM A572 steel and the bottom bar is grade 28 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 18 to 25 | |
| 11 to 17 |
| Fatigue Strength, MPa | 240 to 340 | |
| 330 to 480 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Shear Strength, MPa | 300 to 380 | |
| 420 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 470 to 620 | |
| 690 to 980 |
| Tensile Strength: Yield (Proof), MPa | 330 to 510 | |
| 540 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 330 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1640 |
| Melting Onset (Solidus), °C | 1420 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 550 |
| Thermal Conductivity, W/m-K | 51 | |
| 8.3 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 to 8.3 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.0 | |
| 36 |
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.6 | |
| 37 |
| Embodied Energy, MJ/kg | 22 | |
| 600 |
| Embodied Water, L/kg | 47 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 110 | |
| 87 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 290 to 690 | |
| 1370 to 3100 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 17 to 22 | |
| 43 to 61 |
| Strength to Weight: Bending, points | 17 to 21 | |
| 39 to 49 |
| Thermal Diffusivity, mm2/s | 14 | |
| 3.4 |
| Thermal Shock Resistance, points | 14 to 18 | |
| 47 to 66 |