Titanium 6-2-4-2 vs. EN 1.4640 Stainless Steel
Titanium 6-2-4-2 belongs to the titanium alloys classification, while EN 1.4640 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is titanium 6-2-4-2 and the bottom bar is EN 1.4640 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 8.6 | |
| 51 |
| Fatigue Strength, MPa | 490 | |
| 230 to 250 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 40 | |
| 77 |
| Shear Strength, MPa | 560 | |
| 440 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 950 | |
| 620 to 650 |
| Tensile Strength: Yield (Proof), MPa | 880 | |
| 240 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 300 | |
| 930 |
| Melting Completion (Liquidus), °C | 1590 | |
| 1420 |
| Melting Onset (Solidus), °C | 1540 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Conductivity, W/m-K | 6.9 | |
| 15 |
| Thermal Expansion, µm/m-K | 9.5 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 0.9 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.8 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 42 | |
| 14 |
| Density, g/cm3 | 4.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 32 | |
| 2.8 |
| Embodied Energy, MJ/kg | 520 | |
| 40 |
| Embodied Water, L/kg | 210 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 79 | |
| 250 to 260 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3640 | |
| 150 to 170 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 34 | |
| 25 |
| Strength to Weight: Axial, points | 57 | |
| 22 to 23 |
| Strength to Weight: Bending, points | 46 | |
| 21 |
| Thermal Diffusivity, mm2/s | 2.8 | |
| 4.0 |
| Thermal Shock Resistance, points | 67 | |
| 14 to 15 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 6.5 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0.030 to 0.080 |
| Chromium (Cr), % | 0 | |
| 18 to 19 |
| Copper (Cu), % | 0 | |
| 1.3 to 2.0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 67.4 to 73.6 |
| Manganese (Mn), % | 0 | |
| 1.5 to 4.0 |
| Molybdenum (Mo), % | 1.8 to 2.2 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 5.5 to 6.9 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0.030 to 0.11 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0.060 to 0.12 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 1.8 to 2.2 | |
| 0 |
| Titanium (Ti), % | 83.7 to 87.2 | |
| 0 |
| Zirconium (Zr), % | 3.6 to 4.4 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |