Grade TDC Steel vs. Grade 36 Titanium
Grade TDC steel belongs to the iron alloys classification, while grade 36 titanium belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is grade TDC steel and the bottom bar is grade 36 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Poisson's Ratio | 0.29 | |
| 0.36 |
| Shear Modulus, GPa | 80 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 1700 | |
| 530 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 370 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 320 |
| Melting Completion (Liquidus), °C | 1450 | |
| 2020 |
| Melting Onset (Solidus), °C | 1410 | |
| 1950 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 420 |
| Thermal Expansion, µm/m-K | 13 | |
| 8.1 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 6.3 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 58 |
| Embodied Energy, MJ/kg | 19 | |
| 920 |
| Embodied Water, L/kg | 47 | |
| 130 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 9.3 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 60 | |
| 23 |
| Strength to Weight: Bending, points | 40 | |
| 23 |
| Thermal Shock Resistance, points | 50 | |
| 45 |
Alloy Composition
| Carbon (C), % | 0.6 to 0.75 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0035 |
| Iron (Fe), % | 98 to 99.4 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0.5 to 1.2 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 42 to 47 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.16 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 |
| Silicon (Si), % | 0.1 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 52.3 to 58 |
| Residuals, % | 0 | |
| 0 to 0.4 |