Titanium 6-6-2 vs. S20910 Stainless Steel
Titanium 6-6-2 belongs to the titanium alloys classification, while S20910 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is titanium 6-6-2 and the bottom bar is S20910 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 6.7 to 9.0 | |
| 14 to 39 |
| Fatigue Strength, MPa | 590 to 670 | |
| 310 to 460 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Reduction in Area, % | 17 to 23 | |
| 56 to 62 |
| Shear Modulus, GPa | 44 | |
| 79 |
| Shear Strength, MPa | 670 to 800 | |
| 500 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 1140 to 1370 | |
| 780 to 940 |
| Tensile Strength: Yield (Proof), MPa | 1040 to 1230 | |
| 430 to 810 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 1080 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1420 |
| Melting Onset (Solidus), °C | 1560 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Conductivity, W/m-K | 5.5 | |
| 13 |
| Thermal Expansion, µm/m-K | 9.4 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 22 |
| Density, g/cm3 | 4.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 29 | |
| 4.8 |
| Embodied Energy, MJ/kg | 470 | |
| 68 |
| Embodied Water, L/kg | 200 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 89 to 99 | |
| 120 to 260 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 34 | |
| 25 |
| Strength to Weight: Axial, points | 66 to 79 | |
| 28 to 33 |
| Strength to Weight: Bending, points | 50 to 57 | |
| 24 to 27 |
| Thermal Diffusivity, mm2/s | 2.1 | |
| 3.6 |
| Thermal Shock Resistance, points | 75 to 90 | |
| 17 to 21 |
Alloy Composition
| Aluminum (Al), % | 5.0 to 6.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.060 |
| Chromium (Cr), % | 0 | |
| 20.5 to 23.5 |
| Copper (Cu), % | 0.35 to 1.0 | |
| 0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0.35 to 1.0 | |
| 52.1 to 62.1 |
| Manganese (Mn), % | 0 | |
| 4.0 to 6.0 |
| Molybdenum (Mo), % | 5.0 to 6.0 | |
| 1.5 to 3.0 |
| Nickel (Ni), % | 0 | |
| 11.5 to 13.5 |
| Niobium (Nb), % | 0 | |
| 0.1 to 0.3 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0.2 to 0.4 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 0.75 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 82.8 to 87.8 | |
| 0 |
| Vanadium (V), % | 0 | |
| 0.1 to 0.3 |
| Residuals, % | 0 to 0.4 | |
| 0 |