Titanium 15-3-3-3 vs. EN 1.4371 Stainless Steel
Titanium 15-3-3-3 belongs to the titanium alloys classification, while EN 1.4371 stainless steel belongs to the iron alloys. There are 29 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 titanium 15-3-3-3 and the bottom bar is EN 1.4371 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 5.7 to 8.0 | |
| 45 to 51 |
| Fatigue Strength, MPa | 610 to 710 | |
| 290 to 340 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 39 | |
| 77 |
| Shear Strength, MPa | 660 to 810 | |
| 520 to 540 |
| Tensile Strength: Ultimate (UTS), MPa | 1120 to 1390 | |
| 740 to 750 |
| Tensile Strength: Yield (Proof), MPa | 1100 to 1340 | |
| 320 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 430 | |
| 880 |
| Melting Completion (Liquidus), °C | 1620 | |
| 1410 |
| Melting Onset (Solidus), °C | 1560 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 480 |
| Thermal Conductivity, W/m-K | 8.1 | |
| 15 |
| Thermal Expansion, µm/m-K | 9.8 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.2 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 40 | |
| 12 |
| Density, g/cm3 | 4.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 59 | |
| 2.6 |
| Embodied Energy, MJ/kg | 950 | |
| 38 |
| Embodied Water, L/kg | 260 | |
| 140 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 89 | |
| 270 to 310 |
| Stiffness to Weight: Axial, points | 12 | |
| 14 |
| Stiffness to Weight: Bending, points | 32 | |
| 25 |
| Strength to Weight: Axial, points | 64 to 80 | |
| 27 |
| Strength to Weight: Bending, points | 50 to 57 | |
| 24 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 4.0 |
| Thermal Shock Resistance, points | 79 to 98 | |
| 16 |
Alloy Composition
| Aluminum (Al), % | 2.5 to 3.5 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.030 |
| Chromium (Cr), % | 2.5 to 3.5 | |
| 16 to 17.5 |
| Copper (Cu), % | 0 | |
| 0 to 1.0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 66.7 to 74.4 |
| Manganese (Mn), % | 0 | |
| 6.0 to 8.0 |
| Nickel (Ni), % | 0 | |
| 3.5 to 5.5 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0.15 to 0.25 |
| Oxygen (O), % | 0 to 0.13 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 2.5 to 3.5 | |
| 0 |
| Titanium (Ti), % | 72.6 to 78.5 | |
| 0 |
| Vanadium (V), % | 14 to 16 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |