Grade 6 Titanium vs. SAE-AISI 1146 Steel
Grade 6 titanium belongs to the titanium alloys classification, while SAE-AISI 1146 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 6 titanium and the bottom bar is SAE-AISI 1146 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 190 |
| Elongation at Break, % | 11 | |
| 13 to 17 |
| Fatigue Strength, MPa | 290 | |
| 240 to 400 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Reduction in Area, % | 27 | |
| 40 to 45 |
| Shear Modulus, GPa | 39 | |
| 72 |
| Shear Strength, MPa | 530 | |
| 410 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 890 | |
| 670 to 730 |
| Tensile Strength: Yield (Proof), MPa | 840 | |
| 360 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 400 |
| Melting Completion (Liquidus), °C | 1580 | |
| 1460 |
| Melting Onset (Solidus), °C | 1530 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 470 |
| Thermal Conductivity, W/m-K | 7.8 | |
| 51 |
| Thermal Expansion, µm/m-K | 9.4 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.2 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 1.8 |
| Density, g/cm3 | 4.5 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 1.4 |
| Embodied Energy, MJ/kg | 480 | |
| 18 |
| Embodied Water, L/kg | 190 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 92 | |
| 93 to 97 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3390 | |
| 340 to 1050 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 55 | |
| 24 to 26 |
| Strength to Weight: Bending, points | 46 | |
| 22 to 23 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 14 |
| Thermal Shock Resistance, points | 65 | |
| 20 to 22 |
Alloy Composition
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| Aluminum (Al), % | 4.0 to 6.0 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0.42 to 0.49 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.5 | |
| 98.3 to 98.8 |
| Manganese (Mn), % | 0 | |
| 0.7 to 1.0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Sulfur (S), % | 0 | |
| 0.080 to 0.13 |
| Tin (Sn), % | 2.0 to 3.0 | |
| 0 |
| Titanium (Ti), % | 89.8 to 94 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |