Grade 20 Titanium vs. SAE-AISI H26 Steel
Grade 20 titanium belongs to the titanium alloys classification, while SAE-AISI H26 steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is grade 20 titanium and the bottom bar is SAE-AISI H26 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 210 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 47 | |
| 80 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 720 to 2100 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 240 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1810 |
| Melting Onset (Solidus), °C | 1600 | |
| 1760 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 410 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 9.3 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 8.1 |
| Embodied Energy, MJ/kg | 860 | |
| 120 |
| Embodied Water, L/kg | 350 | |
| 90 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 12 |
| Stiffness to Weight: Bending, points | 33 | |
| 21 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 22 to 63 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 19 to 39 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 22 to 63 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0.45 to 0.55 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 3.8 to 4.5 |
| Copper (Cu), % | 0 | |
| 0 to 0.25 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 73.3 to 77.5 |
| Manganese (Mn), % | 0 | |
| 0.15 to 0.4 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.3 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 71 to 77 | |
| 0 |
| Tungsten (W), % | 0 | |
| 17.3 to 19 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0.75 to 1.3 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |