Grade 19 Titanium vs. SAE-AISI 1086 Steel
Grade 19 titanium belongs to the titanium alloys classification, while SAE-AISI 1086 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is grade 19 titanium and the bottom bar is SAE-AISI 1086 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 5.6 to 17 | |
| 11 |
| Fatigue Strength, MPa | 550 to 620 | |
| 300 to 360 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Reduction in Area, % | 22 | |
| 28 to 45 |
| Shear Modulus, GPa | 47 | |
| 72 |
| Shear Strength, MPa | 550 to 750 | |
| 450 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 890 to 1300 | |
| 760 to 870 |
| Tensile Strength: Yield (Proof), MPa | 870 to 1170 | |
| 480 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 400 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1460 |
| Melting Onset (Solidus), °C | 1600 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 470 |
| Thermal Conductivity, W/m-K | 6.2 | |
| 50 |
| Thermal Expansion, µm/m-K | 9.1 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 45 | |
| 1.8 |
| Density, g/cm3 | 5.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 47 | |
| 1.4 |
| Embodied Energy, MJ/kg | 760 | |
| 19 |
| Embodied Water, L/kg | 230 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 70 to 150 | |
| 79 to 84 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3040 to 5530 | |
| 610 to 890 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 33 | |
| 24 |
| Strength to Weight: Axial, points | 49 to 72 | |
| 27 to 31 |
| Strength to Weight: Bending, points | 41 to 53 | |
| 24 to 26 |
| Thermal Diffusivity, mm2/s | 2.4 | |
| 14 |
| Thermal Shock Resistance, points | 57 to 83 | |
| 26 to 30 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0.8 to 0.93 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 0 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 98.5 to 98.9 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.5 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 71.1 to 77 | |
| 0 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |