EN 1.4123 Stainless Steel vs. Titanium 15-3-3-3
EN 1.4123 stainless steel belongs to the iron alloys classification, while titanium 15-3-3-3 belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is titanium 15-3-3-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 100 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 720 to 810 | |
| 1120 to 1390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 840 | |
| 430 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1620 |
| Melting Onset (Solidus), °C | 1410 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 520 |
| Thermal Conductivity, W/m-K | 23 | |
| 8.1 |
| Thermal Expansion, µm/m-K | 10 | |
| 9.8 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 1.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.8 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 40 |
| Density, g/cm3 | 7.7 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 4.2 | |
| 59 |
| Embodied Energy, MJ/kg | 62 | |
| 950 |
| Embodied Water, L/kg | 120 | |
| 260 |
Common Calculations
| Stiffness to Weight: Axial, points | 14 | |
| 12 |
| Stiffness to Weight: Bending, points | 25 | |
| 32 |
| Strength to Weight: Axial, points | 26 to 29 | |
| 64 to 80 |
| Strength to Weight: Bending, points | 23 to 25 | |
| 50 to 57 |
| Thermal Diffusivity, mm2/s | 6.3 | |
| 3.2 |
| Thermal Shock Resistance, points | 26 to 29 | |
| 79 to 98 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0.35 to 0.5 | |
| 0 to 0.050 |
| Chromium (Cr), % | 14 to 16.5 | |
| 2.5 to 3.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 76.7 to 84.6 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 1.0 to 2.5 | |
| 0 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Nitrogen (N), % | 0.1 to 0.3 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.13 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 2.5 to 3.5 |
| Titanium (Ti), % | 0 | |
| 72.6 to 78.5 |
| Vanadium (V), % | 0 to 1.5 | |
| 14 to 16 |
| Residuals, % | 0 | |
| 0 to 0.4 |