Grade 6 Titanium vs. EN 1.4618 Stainless Steel
Grade 6 titanium belongs to the titanium alloys classification, while EN 1.4618 stainless steel belongs to the iron alloys. There are 30 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 grade 6 titanium and the bottom bar is EN 1.4618 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 11 | |
| 51 |
| Fatigue Strength, MPa | 290 | |
| 240 to 250 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 39 | |
| 77 |
| Shear Strength, MPa | 530 | |
| 480 to 500 |
| Tensile Strength: Ultimate (UTS), MPa | 890 | |
| 680 to 700 |
| Tensile Strength: Yield (Proof), MPa | 840 | |
| 250 to 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 900 |
| Melting Completion (Liquidus), °C | 1580 | |
| 1400 |
| Melting Onset (Solidus), °C | 1530 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 480 |
| Thermal Conductivity, W/m-K | 7.8 | |
| 15 |
| Thermal Expansion, µm/m-K | 9.4 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.2 | |
| 2.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 2.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 13 |
| Density, g/cm3 | 4.5 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 2.7 |
| Embodied Energy, MJ/kg | 480 | |
| 39 |
| Embodied Water, L/kg | 190 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 92 | |
| 270 to 280 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3390 | |
| 160 to 170 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Strength to Weight: Axial, points | 55 | |
| 24 to 25 |
| Strength to Weight: Bending, points | 46 | |
| 22 to 23 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 4.0 |
| Thermal Shock Resistance, points | 65 | |
| 15 to 16 |
Alloy Composition
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| Aluminum (Al), % | 4.0 to 6.0 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 16.5 to 18.5 |
| Copper (Cu), % | 0 | |
| 1.0 to 2.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.5 | |
| 62.7 to 72.5 |
| Manganese (Mn), % | 0 | |
| 5.5 to 9.5 |
| Nickel (Ni), % | 0 | |
| 4.5 to 5.5 |
| Nitrogen (N), % | 0 to 0.030 | |
| 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), % | 2.0 to 3.0 | |
| 0 |
| Titanium (Ti), % | 89.8 to 94 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |