EN 1.4401 Stainless Steel vs. Grade 6 Titanium
EN 1.4401 stainless steel belongs to the iron alloys classification, while grade 6 titanium belongs to the titanium 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 EN 1.4401 stainless steel and the bottom bar is grade 6 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 100 |
| Elongation at Break, % | 14 to 40 | |
| 11 |
| Fatigue Strength, MPa | 200 to 320 | |
| 290 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 78 | |
| 39 |
| Shear Strength, MPa | 410 to 550 | |
| 530 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 900 | |
| 890 |
| Tensile Strength: Yield (Proof), MPa | 230 to 570 | |
| 840 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 950 | |
| 310 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1580 |
| Melting Onset (Solidus), °C | 1400 | |
| 1530 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 550 |
| Thermal Conductivity, W/m-K | 15 | |
| 7.8 |
| Thermal Expansion, µm/m-K | 16 | |
| 9.4 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 1.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 36 |
| Density, g/cm3 | 7.9 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 3.8 | |
| 30 |
| Embodied Energy, MJ/kg | 52 | |
| 480 |
| Embodied Water, L/kg | 150 | |
| 190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 190 | |
| 92 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 800 | |
| 3390 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 21 to 32 | |
| 55 |
| Strength to Weight: Bending, points | 20 to 26 | |
| 46 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 3.2 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 65 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 4.0 to 6.0 |
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.080 |
| Chromium (Cr), % | 16.5 to 18.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 62.8 to 71.5 | |
| 0 to 0.5 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Molybdenum (Mo), % | 2.0 to 2.5 | |
| 0 |
| Nickel (Ni), % | 10 to 13 | |
| 0 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.2 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Tin (Sn), % | 0 | |
| 2.0 to 3.0 |
| Titanium (Ti), % | 0 | |
| 89.8 to 94 |
| Residuals, % | 0 | |
| 0 to 0.4 |