Titanium 6-6-2 vs. EN 1.4618 Stainless Steel
Titanium 6-6-2 belongs to the titanium alloys classification, while EN 1.4618 stainless steel belongs to the iron alloys. There are 29 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 EN 1.4618 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 6.7 to 9.0 | |
| 51 |
| Fatigue Strength, MPa | 590 to 670 | |
| 240 to 250 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 44 | |
| 77 |
| Shear Strength, MPa | 670 to 800 | |
| 480 to 500 |
| Tensile Strength: Ultimate (UTS), MPa | 1140 to 1370 | |
| 680 to 700 |
| Tensile Strength: Yield (Proof), MPa | 1040 to 1230 | |
| 250 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 900 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1400 |
| Melting Onset (Solidus), °C | 1560 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Conductivity, W/m-K | 5.5 | |
| 15 |
| Thermal Expansion, µm/m-K | 9.4 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.1 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.1 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 13 |
| Density, g/cm3 | 4.8 | |
| 7.7 |
| 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 | |
| 270 to 280 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 34 | |
| 25 |
| Strength to Weight: Axial, points | 66 to 79 | |
| 24 to 25 |
| Strength to Weight: Bending, points | 50 to 57 | |
| 22 to 23 |
| Thermal Diffusivity, mm2/s | 2.1 | |
| 4.0 |
| Thermal Shock Resistance, points | 75 to 90 | |
| 15 to 16 |
Alloy Composition
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| Aluminum (Al), % | 5.0 to 6.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 16.5 to 18.5 |
| Copper (Cu), % | 0.35 to 1.0 | |
| 1.0 to 2.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0.35 to 1.0 | |
| 62.7 to 72.5 |
| Manganese (Mn), % | 0 | |
| 5.5 to 9.5 |
| Molybdenum (Mo), % | 5.0 to 6.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 4.5 to 5.5 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0 to 0.15 |
| Oxygen (O), % | 0 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.070 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 82.8 to 87.8 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |