Grade 3 Titanium vs. SAE-AISI 1141 Steel
Grade 3 titanium belongs to the titanium alloys classification, while SAE-AISI 1141 steel belongs to the iron alloys. There are 32 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 3 titanium and the bottom bar is SAE-AISI 1141 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 170 | |
| 210 to 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 21 | |
| 11 to 17 |
| Fatigue Strength, MPa | 300 | |
| 270 to 430 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Reduction in Area, % | 34 | |
| 34 to 39 |
| Shear Modulus, GPa | 39 | |
| 72 |
| Shear Strength, MPa | 320 | |
| 460 to 480 |
| Tensile Strength: Ultimate (UTS), MPa | 510 | |
| 740 to 810 |
| Tensile Strength: Yield (Proof), MPa | 440 | |
| 400 to 700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 400 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1460 |
| Melting Onset (Solidus), °C | 1610 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 51 |
| Thermal Expansion, µm/m-K | 9.2 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.3 | |
| 10 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.6 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 1.9 |
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 31 | |
| 1.4 |
| Embodied Energy, MJ/kg | 510 | |
| 19 |
| Embodied Water, L/kg | 110 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 | |
| 86 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 910 | |
| 430 to 1290 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 32 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 32 | |
| 23 to 25 |
| Thermal Diffusivity, mm2/s | 8.6 | |
| 14 |
| Thermal Shock Resistance, points | 37 | |
| 24 to 26 |
Alloy Composition
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| Carbon (C), % | 0 to 0.080 | |
| 0.37 to 0.45 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 97.7 to 98.2 |
| Manganese (Mn), % | 0 | |
| 1.4 to 1.7 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.35 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Sulfur (S), % | 0 | |
| 0.080 to 0.13 |
| Titanium (Ti), % | 98.8 to 100 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |