Titanium 4-4-2 vs. S66286 Stainless Steel
Titanium 4-4-2 belongs to the titanium alloys classification, while 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 titanium 4-4-2 and the bottom bar is S66286 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 10 | |
| 17 to 40 |
| Fatigue Strength, MPa | 590 to 620 | |
| 240 to 410 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 42 | |
| 75 |
| Shear Strength, MPa | 690 to 750 | |
| 420 to 630 |
| Tensile Strength: Ultimate (UTS), MPa | 1150 to 1250 | |
| 620 to 1020 |
| Tensile Strength: Yield (Proof), MPa | 1030 to 1080 | |
| 280 to 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 | 110 to 120 | |
| 150 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4700 to 5160 | |
| 190 to 1150 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 34 | |
| 24 |
| Strength to Weight: Axial, points | 68 to 74 | |
| 22 to 36 |
| Strength to Weight: Bending, points | 52 to 55 | |
| 20 to 28 |
| Thermal Diffusivity, mm2/s | 2.6 | |
| 4.0 |
| Thermal Shock Resistance, points | 86 to 93 | |
| 13 to 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 |