Grade 18 Titanium vs. ASTM A210 Steel
Grade 18 titanium belongs to the titanium alloys classification, while ASTM A210 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is grade 18 titanium and the bottom bar is ASTM A210 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 11 to 17 | |
| 34 |
| Fatigue Strength, MPa | 330 to 480 | |
| 230 to 250 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 73 |
| Shear Strength, MPa | 420 to 590 | |
| 320 to 360 |
| Tensile Strength: Ultimate (UTS), MPa | 690 to 980 | |
| 470 to 540 |
| Tensile Strength: Yield (Proof), MPa | 540 to 810 | |
| 290 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 400 |
| Melting Completion (Liquidus), °C | 1640 | |
| 1460 to 1470 |
| Melting Onset (Solidus), °C | 1590 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 470 |
| Thermal Conductivity, W/m-K | 8.3 | |
| 52 to 53 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 8.0 to 8.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 41 | |
| 1.4 |
| Embodied Energy, MJ/kg | 670 | |
| 18 |
| Embodied Water, L/kg | 270 | |
| 45 to 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 110 | |
| 140 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1380 to 3110 | |
| 230 to 250 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 43 to 61 | |
| 17 to 19 |
| Strength to Weight: Bending, points | 39 to 49 | |
| 17 to 19 |
| Thermal Diffusivity, mm2/s | 3.4 | |
| 14 |
| Thermal Shock Resistance, points | 47 to 67 | |
| 15 to 17 |