Aged Titanium 4-4-2 vs. Precipitation Hardened S66286 Stainless Steel
Aged titanium 4-4-2 belongs to the titanium alloys classification, while precipitation hardened S66286 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is aged titanium 4-4-2 and the bottom bar is precipitation hardened S66286 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 10 | |
| 17 |
| Fatigue Strength, MPa | 620 | |
| 410 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 42 | |
| 75 |
| Shear Strength, MPa | 750 | |
| 630 |
| Tensile Strength: Ultimate (UTS), MPa | 1250 | |
| 1020 |
| Tensile Strength: Yield (Proof), MPa | 1080 | |
| 670 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 920 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1430 |
| Melting Onset (Solidus), °C | 1560 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 6.7 | |
| 15 |
| Thermal Expansion, µm/m-K | 8.6 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 26 |
| Density, g/cm3 | 4.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 6.0 |
| Embodied Energy, MJ/kg | 480 | |
| 87 |
| Embodied Water, L/kg | 180 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 | |
| 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 5160 | |
| 1150 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 34 | |
| 24 |
| Strength to Weight: Axial, points | 74 | |
| 36 |
| Strength to Weight: Bending, points | 55 | |
| 28 |
| Thermal Diffusivity, mm2/s | 2.6 | |
| 4.0 |
| Thermal Shock Resistance, points | 93 | |
| 22 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 5.0 | |
| 0 to 0.35 |
| Boron (B), % | 0 | |
| 0.0010 to 0.010 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 13.5 to 16 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 49.1 to 59.5 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 1.0 to 1.5 |
| Nickel (Ni), % | 0 | |
| 24 to 27 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.3 to 0.7 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 85.8 to 92.2 | |
| 1.9 to 2.4 |
| Vanadium (V), % | 0 | |
| 0.1 to 0.5 |
| Residuals, % | 0 to 0.4 | |
| 0 |