S66286 Stainless Steel vs. Titanium 4-4-2
S66286 stainless steel belongs to the iron alloys classification, while titanium 4-4-2 belongs to the titanium 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 S66286 stainless steel and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 17 to 40 | |
| 10 |
| Fatigue Strength, MPa | 240 to 410 | |
| 590 to 620 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 75 | |
| 42 |
| Shear Strength, MPa | 420 to 630 | |
| 690 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 1020 | |
| 1150 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 280 to 670 | |
| 1030 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 920 | |
| 310 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1610 |
| Melting Onset (Solidus), °C | 1370 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 540 |
| Thermal Conductivity, W/m-K | 15 | |
| 6.7 |
| Thermal Expansion, µm/m-K | 17 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 39 |
| Density, g/cm3 | 7.9 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 6.0 | |
| 30 |
| Embodied Energy, MJ/kg | 87 | |
| 480 |
| Embodied Water, L/kg | 170 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 200 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 1150 | |
| 4700 to 5160 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 34 |
| Strength to Weight: Axial, points | 22 to 36 | |
| 68 to 74 |
| Strength to Weight: Bending, points | 20 to 28 | |
| 52 to 55 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 2.6 |
| Thermal Shock Resistance, points | 13 to 22 | |
| 86 to 93 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.35 | |
| 3.0 to 5.0 |
| Boron (B), % | 0.0010 to 0.010 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.080 |
| Chromium (Cr), % | 13.5 to 16 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 49.1 to 59.5 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Molybdenum (Mo), % | 1.0 to 1.5 | |
| 3.0 to 5.0 |
| Nickel (Ni), % | 24 to 27 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0.3 to 0.7 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 1.9 to 2.4 | |
| 85.8 to 92.2 |
| Vanadium (V), % | 0.1 to 0.5 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |