EN 1.4477 Stainless Steel vs. Titanium 15-3-3-3
EN 1.4477 stainless steel belongs to the iron alloys classification, while titanium 15-3-3-3 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is titanium 15-3-3-3.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 100 |
| Elongation at Break, % | 22 to 23 | |
| 5.7 to 8.0 |
| Fatigue Strength, MPa | 420 to 490 | |
| 610 to 710 |
| Poisson's Ratio | 0.27 | |
| 0.33 |
| Shear Modulus, GPa | 81 | |
| 39 |
| Shear Strength, MPa | 550 to 580 | |
| 660 to 810 |
| Tensile Strength: Ultimate (UTS), MPa | 880 to 930 | |
| 1120 to 1390 |
| Tensile Strength: Yield (Proof), MPa | 620 to 730 | |
| 1100 to 1340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 430 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1620 |
| Melting Onset (Solidus), °C | 1380 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 520 |
| Thermal Conductivity, W/m-K | 13 | |
| 8.1 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.8 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
| 1.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
| 2.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 20 | |
| 40 |
| Density, g/cm3 | 7.7 | |
| 4.8 |
| Embodied Carbon, kg CO2/kg material | 3.7 | |
| 59 |
| Embodied Energy, MJ/kg | 52 | |
| 950 |
| Embodied Water, L/kg | 190 | |
| 260 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 180 to 190 | |
| 78 to 89 |
| Stiffness to Weight: Axial, points | 15 | |
| 12 |
| Stiffness to Weight: Bending, points | 25 | |
| 32 |
| Strength to Weight: Axial, points | 31 to 33 | |
| 64 to 80 |
| Strength to Weight: Bending, points | 26 to 27 | |
| 50 to 57 |
| Thermal Diffusivity, mm2/s | 3.5 | |
| 3.2 |
| Thermal Shock Resistance, points | 23 to 25 | |
| 79 to 98 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 to 0.030 | |
| 0 to 0.050 |
| Chromium (Cr), % | 28 to 30 | |
| 2.5 to 3.5 |
| Copper (Cu), % | 0 to 0.8 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 56.6 to 63.6 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0.8 to 1.5 | |
| 0 |
| Molybdenum (Mo), % | 1.5 to 2.6 | |
| 0 |
| Nickel (Ni), % | 5.8 to 7.5 | |
| 0 |
| Nitrogen (N), % | 0.3 to 0.4 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.13 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Tin (Sn), % | 0 | |
| 2.5 to 3.5 |
| Titanium (Ti), % | 0 | |
| 72.6 to 78.5 |
| Vanadium (V), % | 0 | |
| 14 to 16 |
| Residuals, % | 0 | |
| 0 to 0.4 |