Grade 24 Titanium vs. SAE-AISI 1012 Steel
Grade 24 titanium belongs to the titanium alloys classification, while SAE-AISI 1012 steel belongs to the iron 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 grade 24 titanium and the bottom bar is SAE-AISI 1012 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 11 | |
| 21 to 31 |
| Fatigue Strength, MPa | 550 | |
| 150 to 230 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Reduction in Area, % | 28 | |
| 45 to 57 |
| Shear Modulus, GPa | 40 | |
| 73 |
| Shear Strength, MPa | 610 | |
| 230 to 250 |
| Tensile Strength: Ultimate (UTS), MPa | 1010 | |
| 360 to 400 |
| Tensile Strength: Yield (Proof), MPa | 940 | |
| 200 to 330 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 340 | |
| 400 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1470 |
| Melting Onset (Solidus), °C | 1560 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 470 |
| Thermal Conductivity, W/m-K | 7.1 | |
| 53 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 6.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 7.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 43 | |
| 1.4 |
| Embodied Energy, MJ/kg | 710 | |
| 18 |
| Embodied Water, L/kg | 310 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 80 to 93 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4160 | |
| 110 to 300 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 63 | |
| 13 to 14 |
| Strength to Weight: Bending, points | 50 | |
| 14 to 15 |
| Thermal Diffusivity, mm2/s | 2.9 | |
| 14 |
| Thermal Shock Resistance, points | 72 | |
| 11 to 13 |
Alloy Composition
| Aluminum (Al), % | 5.5 to 6.8 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0.1 to 0.15 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 99.16 to 99.6 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.6 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 87.5 to 91 | |
| 0 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |