Grade 11 Titanium vs. SAE-AISI 1008 Steel
Grade 11 titanium belongs to the titanium alloys classification, while SAE-AISI 1008 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is grade 11 titanium and the bottom bar is SAE-AISI 1008 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 120 | |
| 93 to 100 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 29 | |
| 22 to 33 |
| Fatigue Strength, MPa | 170 | |
| 150 to 220 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Reduction in Area, % | 37 | |
| 50 to 63 |
| Shear Modulus, GPa | 38 | |
| 73 |
| Shear Strength, MPa | 200 | |
| 220 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 310 | |
| 330 to 370 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 190 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 400 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1470 |
| Melting Onset (Solidus), °C | 1610 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 22 | |
| 62 |
| Thermal Expansion, µm/m-K | 9.2 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.7 | |
| 6.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 7.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 1.4 |
| Embodied Energy, MJ/kg | 800 | |
| 18 |
| Embodied Water, L/kg | 470 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 | |
| 78 to 91 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 | |
| 92 to 260 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 19 | |
| 12 to 13 |
| Strength to Weight: Bending, points | 22 | |
| 13 to 15 |
| Thermal Diffusivity, mm2/s | 8.9 | |
| 17 |
| Thermal Shock Resistance, points | 22 | |
| 10 to 12 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.1 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 99.31 to 99.7 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.5 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.18 | |
| 0 |
| Palladium (Pd), % | 0.12 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 98.8 to 99.88 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |