EN 1.4740 Stainless Steel vs. Titanium 4-4-2
EN 1.4740 stainless steel belongs to the iron alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 19 material properties with values for both materials. Properties with values for just one material (15, 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 titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 22 | |
| 10 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 77 | |
| 42 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 310 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1610 |
| Melting Onset (Solidus), °C | 1370 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 540 |
| Thermal Conductivity, W/m-K | 18 | |
| 6.7 |
| Thermal Expansion, µm/m-K | 10 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 39 |
| Density, g/cm3 | 7.6 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 2.3 | |
| 30 |
| Embodied Energy, MJ/kg | 32 | |
| 480 |
| Embodied Water, L/kg | 120 | |
| 180 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 34 |
| Thermal Diffusivity, mm2/s | 4.8 | |
| 2.6 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 5.0 |
| Carbon (C), % | 0.3 to 0.5 | |
| 0 to 0.080 |
| Chromium (Cr), % | 16 to 19 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 75.4 to 82.7 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 3.0 to 5.0 |
| Nickel (Ni), % | 0 to 1.0 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 1.0 to 2.5 | |
| 0.3 to 0.7 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 85.8 to 92.2 |
| Residuals, % | 0 | |
| 0 to 0.4 |