EN 1.4740 Stainless Steel vs. Grade Ti-Pd18 Titanium
EN 1.4740 stainless steel belongs to the iron alloys classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is EN 1.4740 stainless steel and the bottom bar is grade Ti-Pd18 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 260 | |
| 320 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 22 | |
| 17 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 77 | |
| 40 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 330 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1640 |
| Melting Onset (Solidus), °C | 1370 | |
| 1590 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 550 |
| Thermal Conductivity, W/m-K | 18 | |
| 8.2 |
| Thermal Expansion, µm/m-K | 10 | |
| 9.1 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 2.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.6 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 41 |
| Embodied Energy, MJ/kg | 32 | |
| 670 |
| Embodied Water, L/kg | 120 | |
| 270 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Thermal Diffusivity, mm2/s | 4.8 | |
| 3.3 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0.3 to 0.5 | |
| 0 to 0.1 |
| Chromium (Cr), % | 16 to 19 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 75.4 to 82.7 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0 to 1.0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.15 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 1.0 to 2.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 92.5 to 95.5 |
| Vanadium (V), % | 0 | |
| 2.0 to 3.0 |
| Residuals, % | 0 | |
| 0 to 0.4 |