SAE-AISI 1141 Steel vs. Titanium 6-6-2
SAE-AISI 1141 steel belongs to the iron alloys classification, while titanium 6-6-2 belongs to the titanium 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 SAE-AISI 1141 steel and the bottom bar is titanium 6-6-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 11 to 17 | |
| 6.7 to 9.0 |
| Fatigue Strength, MPa | 270 to 430 | |
| 590 to 670 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 34 to 39 | |
| 17 to 23 |
| Shear Modulus, GPa | 72 | |
| 44 |
| Shear Strength, MPa | 460 to 480 | |
| 670 to 800 |
| Tensile Strength: Ultimate (UTS), MPa | 740 to 810 | |
| 1140 to 1370 |
| Tensile Strength: Yield (Proof), MPa | 400 to 700 | |
| 1040 to 1230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 310 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1610 |
| Melting Onset (Solidus), °C | 1420 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 540 |
| Thermal Conductivity, W/m-K | 51 | |
| 5.5 |
| Thermal Expansion, µm/m-K | 12 | |
| 9.4 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 1.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 2.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 40 |
| Density, g/cm3 | 7.8 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 29 |
| Embodied Energy, MJ/kg | 19 | |
| 470 |
| Embodied Water, L/kg | 47 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 86 to 110 | |
| 89 to 99 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 34 |
| Strength to Weight: Axial, points | 26 to 29 | |
| 66 to 79 |
| Strength to Weight: Bending, points | 23 to 25 | |
| 50 to 57 |
| Thermal Diffusivity, mm2/s | 14 | |
| 2.1 |
| Thermal Shock Resistance, points | 24 to 26 | |
| 75 to 90 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 5.0 to 6.0 |
| Carbon (C), % | 0.37 to 0.45 | |
| 0 to 0.050 |
| Copper (Cu), % | 0 | |
| 0.35 to 1.0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 97.7 to 98.2 | |
| 0.35 to 1.0 |
| Manganese (Mn), % | 1.4 to 1.7 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 5.0 to 6.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.040 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Sulfur (S), % | 0.080 to 0.13 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 82.8 to 87.8 |
| Residuals, % | 0 | |
| 0 to 0.4 |