EN 1.4378 Stainless Steel vs. Grade 19 Titanium
EN 1.4378 stainless steel belongs to the iron alloys classification, while grade 19 titanium belongs to the titanium alloys. There are 26 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 1.4378 stainless steel and the bottom bar is grade 19 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Elongation at Break, % | 14 to 34 | |
| 5.6 to 17 |
| Fatigue Strength, MPa | 340 to 550 | |
| 550 to 620 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 77 | |
| 47 |
| Shear Strength, MPa | 510 to 680 | |
| 550 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 1130 | |
| 890 to 1300 |
| Tensile Strength: Yield (Proof), MPa | 430 to 970 | |
| 870 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 910 | |
| 370 |
| Melting Completion (Liquidus), °C | 1390 | |
| 1660 |
| Melting Onset (Solidus), °C | 1350 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 520 |
| Thermal Expansion, µm/m-K | 17 | |
| 9.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 45 |
| Density, g/cm3 | 7.6 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 47 |
| Embodied Energy, MJ/kg | 39 | |
| 760 |
| Embodied Water, L/kg | 150 | |
| 230 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 220 | |
| 70 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 470 to 2370 | |
| 3040 to 5530 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 33 |
| Strength to Weight: Axial, points | 28 to 41 | |
| 49 to 72 |
| Strength to Weight: Bending, points | 24 to 31 | |
| 41 to 53 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 57 to 83 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 3.0 to 4.0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.050 |
| Chromium (Cr), % | 17 to 19 | |
| 5.5 to 6.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 61.2 to 69 | |
| 0 to 0.3 |
| Manganese (Mn), % | 11.5 to 14.5 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.5 to 4.5 |
| Nickel (Ni), % | 2.3 to 3.7 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.12 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 71.1 to 77 |
| Vanadium (V), % | 0 | |
| 7.5 to 8.5 |
| Zirconium (Zr), % | 0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |