SAE-AISI 1117 Steel vs. Grade 28 Titanium
SAE-AISI 1117 steel belongs to the iron alloys classification, while grade 28 titanium belongs to the titanium 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 SAE-AISI 1117 steel and the bottom bar is grade 28 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 17 to 26 | |
| 11 to 17 |
| Fatigue Strength, MPa | 190 to 300 | |
| 330 to 480 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 46 to 53 | |
| 22 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Shear Strength, MPa | 320 to 330 | |
| 420 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 540 | |
| 690 to 980 |
| Tensile Strength: Yield (Proof), MPa | 260 to 460 | |
| 540 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 330 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1640 |
| Melting Onset (Solidus), °C | 1420 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 550 |
| Thermal Conductivity, W/m-K | 52 | |
| 8.3 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 36 |
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 37 |
| Embodied Energy, MJ/kg | 18 | |
| 600 |
| Embodied Water, L/kg | 47 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 86 to 110 | |
| 87 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 to 550 | |
| 1370 to 3100 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 35 |
| Strength to Weight: Axial, points | 17 to 19 | |
| 43 to 61 |
| Strength to Weight: Bending, points | 18 to 19 | |
| 39 to 49 |
| Thermal Diffusivity, mm2/s | 14 | |
| 3.4 |
| Thermal Shock Resistance, points | 15 to 17 | |
| 47 to 66 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0.14 to 0.2 | |
| 0 to 0.080 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 98.3 to 98.8 | |
| 0 to 0.25 |
| Manganese (Mn), % | 1.0 to 1.3 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Ruthenium (Ru), % | 0 | |
| 0.080 to 0.14 |
| Sulfur (S), % | 0.080 to 0.13 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 92.4 to 95.4 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Residuals, % | 0 | |
| 0 to 0.4 |