Titanium 6-6-2 vs. EN 1.4378 Stainless Steel
Titanium 6-6-2 belongs to the titanium alloys classification, while EN 1.4378 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is titanium 6-6-2 and the bottom bar is EN 1.4378 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 34 |
| Fatigue Strength, MPa | 590 to 670 | |
| 340 to 550 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 44 | |
| 77 |
| Shear Strength, MPa | 670 to 800 | |
| 510 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 1140 to 1370 | |
| 760 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 1040 to 1230 | |
| 430 to 970 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 910 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1390 |
| Melting Onset (Solidus), °C | 1560 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Expansion, µm/m-K | 9.4 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 12 |
| Density, g/cm3 | 4.8 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 29 | |
| 2.7 |
| Embodied Energy, MJ/kg | 470 | |
| 39 |
| Embodied Water, L/kg | 200 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 89 to 99 | |
| 150 to 220 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 34 | |
| 25 |
| Strength to Weight: Axial, points | 66 to 79 | |
| 28 to 41 |
| Strength to Weight: Bending, points | 50 to 57 | |
| 24 to 31 |
| Thermal Shock Resistance, points | 75 to 90 | |
| 16 to 23 |
Alloy Composition
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| Aluminum (Al), % | 5.0 to 6.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 | |
| 17 to 19 |
| Copper (Cu), % | 0.35 to 1.0 | |
| 0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0.35 to 1.0 | |
| 61.2 to 69 |
| Manganese (Mn), % | 0 | |
| 11.5 to 14.5 |
| Molybdenum (Mo), % | 5.0 to 6.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 2.3 to 3.7 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0.2 to 0.4 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.060 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 82.8 to 87.8 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |