EN 1.4031 Stainless Steel vs. Grade Ti-Pd8A Titanium
EN 1.4031 stainless steel belongs to the iron alloys classification, while grade Ti-Pd8A titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is EN 1.4031 stainless steel and the bottom bar is grade Ti-Pd8A titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 11 to 13 | |
| 13 |
| Fatigue Strength, MPa | 220 to 400 | |
| 260 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 76 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 900 | |
| 500 |
| Tensile Strength: Yield (Proof), MPa | 390 to 730 | |
| 430 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 420 |
| Maximum Temperature: Mechanical, °C | 770 | |
| 320 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1660 |
| Melting Onset (Solidus), °C | 1400 | |
| 1610 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 540 |
| Thermal Conductivity, W/m-K | 30 | |
| 21 |
| Thermal Expansion, µm/m-K | 11 | |
| 8.7 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.1 | |
| 3.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.7 | |
| 6.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.7 | |
| 4.5 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 49 |
| Embodied Energy, MJ/kg | 27 | |
| 840 |
| Embodied Water, L/kg | 100 | |
| 520 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 77 to 94 | |
| 65 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 to 1360 | |
| 880 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 35 |
| Strength to Weight: Axial, points | 24 to 32 | |
| 31 |
| Strength to Weight: Bending, points | 22 to 27 | |
| 31 |
| Thermal Diffusivity, mm2/s | 8.1 | |
| 8.6 |
| Thermal Shock Resistance, points | 23 to 32 | |
| 39 |
Alloy Composition
| Carbon (C), % | 0.36 to 0.42 | |
| 0 to 0.1 |
| Chromium (Cr), % | 12.5 to 14.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 83 to 87.1 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.4 |
| Palladium (Pd), % | 0 | |
| 0.12 to 0.3 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 98.8 to 99.9 |
| Residuals, % | 0 | |
| 0 to 0.4 |