EN 1.4640 Stainless Steel vs. Grade 11 Titanium
EN 1.4640 stainless steel belongs to the iron alloys classification, while grade 11 titanium belongs to the titanium 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 EN 1.4640 stainless steel and the bottom bar is grade 11 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 200 | |
| 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 51 | |
| 29 |
| Fatigue Strength, MPa | 230 to 250 | |
| 170 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 77 | |
| 38 |
| Shear Strength, MPa | 440 to 460 | |
| 200 |
| Tensile Strength: Ultimate (UTS), MPa | 620 to 650 | |
| 310 |
| Tensile Strength: Yield (Proof), MPa | 240 to 260 | |
| 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 930 | |
| 320 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1660 |
| Melting Onset (Solidus), °C | 1380 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 540 |
| Thermal Conductivity, W/m-K | 15 | |
| 22 |
| Thermal Expansion, µm/m-K | 16 | |
| 9.2 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 3.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 7.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 47 |
| Embodied Energy, MJ/kg | 40 | |
| 800 |
| Embodied Water, L/kg | 150 | |
| 470 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 250 to 260 | |
| 81 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 170 | |
| 240 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 22 to 23 | |
| 19 |
| Strength to Weight: Bending, points | 21 | |
| 22 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 8.9 |
| Thermal Shock Resistance, points | 14 to 15 | |
| 22 |
Alloy Composition
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| Carbon (C), % | 0.030 to 0.080 | |
| 0 to 0.080 |
| Chromium (Cr), % | 18 to 19 | |
| 0 |
| Copper (Cu), % | 1.3 to 2.0 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 67.4 to 73.6 | |
| 0 to 0.2 |
| Manganese (Mn), % | 1.5 to 4.0 | |
| 0 |
| Nickel (Ni), % | 5.5 to 6.9 | |
| 0 |
| Nitrogen (N), % | 0.030 to 0.11 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.18 |
| Palladium (Pd), % | 0 | |
| 0.12 to 0.25 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98.8 to 99.88 |
| Residuals, % | 0 | |
| 0 to 0.4 |