Grade 18 Titanium vs. EN 1.4710 Stainless Steel
Grade 18 titanium belongs to the titanium alloys classification, while EN 1.4710 stainless steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is grade 18 titanium and the bottom bar is EN 1.4710 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 11 to 17 | |
| 20 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 74 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 750 |
| Melting Completion (Liquidus), °C | 1640 | |
| 1430 |
| Melting Onset (Solidus), °C | 1590 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 480 |
| Thermal Conductivity, W/m-K | 8.3 | |
| 24 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 9.9 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.3 | |
| 6.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 7.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 41 | |
| 1.8 |
| Embodied Energy, MJ/kg | 670 | |
| 24 |
| Embodied Water, L/kg | 270 | |
| 76 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 25 |
| Thermal Diffusivity, mm2/s | 3.4 | |
| 6.5 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0.2 to 0.35 |
| Chromium (Cr), % | 0 | |
| 6.0 to 8.0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 87.4 to 92.3 |
| Manganese (Mn), % | 0 | |
| 0.5 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.15 |
| Nickel (Ni), % | 0 | |
| 0 to 0.5 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.15 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 1.0 to 2.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 92.5 to 95.5 | |
| 0 |
| Vanadium (V), % | 2.0 to 3.0 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |