Grade 31 Titanium vs. EN 1.4962 Stainless Steel
Grade 31 titanium belongs to the titanium alloys classification, while EN 1.4962 stainless steel belongs to the iron 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 grade 31 titanium and the bottom bar is EN 1.4962 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 20 | |
| 22 to 34 |
| Fatigue Strength, MPa | 300 | |
| 210 to 330 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 41 | |
| 77 |
| Shear Strength, MPa | 320 | |
| 420 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 510 | |
| 630 to 690 |
| Tensile Strength: Yield (Proof), MPa | 450 | |
| 260 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 420 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 320 | |
| 910 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1480 |
| Melting Onset (Solidus), °C | 1610 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 470 |
| Thermal Conductivity, W/m-K | 21 | |
| 14 |
| Thermal Expansion, µm/m-K | 8.7 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.9 | |
| 2.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 4.5 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 36 | |
| 4.1 |
| Embodied Energy, MJ/kg | 600 | |
| 59 |
| Embodied Water, L/kg | 230 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 99 | |
| 140 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 940 | |
| 170 to 610 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 35 | |
| 24 |
| Strength to Weight: Axial, points | 32 | |
| 21 to 24 |
| Strength to Weight: Bending, points | 32 | |
| 20 to 21 |
| Thermal Diffusivity, mm2/s | 8.5 | |
| 3.7 |
| Thermal Shock Resistance, points | 39 | |
| 14 to 16 |
Alloy Composition
| Boron (B), % | 0 | |
| 0.0015 to 0.0060 |
| Carbon (C), % | 0 to 0.080 | |
| 0.070 to 0.15 |
| Chromium (Cr), % | 0 | |
| 15.5 to 17.5 |
| Cobalt (Co), % | 0.2 to 0.8 | |
| 0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 62.1 to 69 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0 | |
| 12.5 to 14.5 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0 |
| Oxygen (O), % | 0 to 0.35 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 97.9 to 99.76 | |
| 0.4 to 0.7 |
| Tungsten (W), % | 0 | |
| 2.5 to 3.0 |
| Residuals, % | 0 to 0.4 | |
| 0 |