EN 1.4923 Stainless Steel vs. Grade 20 Titanium
EN 1.4923 stainless steel belongs to the iron alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.4923 stainless steel and the bottom bar is grade 20 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 12 to 21 | |
| 5.7 to 17 |
| Fatigue Strength, MPa | 300 to 440 | |
| 550 to 630 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Reduction in Area, % | 40 to 46 | |
| 23 |
| Shear Modulus, GPa | 76 | |
| 47 |
| Shear Strength, MPa | 540 to 590 | |
| 560 to 740 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 980 | |
| 900 to 1270 |
| Tensile Strength: Yield (Proof), MPa | 470 to 780 | |
| 850 to 1190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 740 | |
| 370 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1660 |
| Melting Onset (Solidus), °C | 1410 | |
| 1600 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 520 |
| Thermal Expansion, µm/m-K | 11 | |
| 9.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 5.0 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 52 |
| Embodied Energy, MJ/kg | 41 | |
| 860 |
| Embodied Water, L/kg | 100 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 150 | |
| 71 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 to 1580 | |
| 2940 to 5760 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 33 |
| Strength to Weight: Axial, points | 31 to 35 | |
| 50 to 70 |
| Strength to Weight: Bending, points | 26 to 28 | |
| 41 to 52 |
| Thermal Shock Resistance, points | 30 to 34 | |
| 55 to 77 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 3.0 to 4.0 |
| Carbon (C), % | 0.18 to 0.24 | |
| 0 to 0.050 |
| Chromium (Cr), % | 11 to 12.5 | |
| 5.5 to 6.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.020 |
| Iron (Fe), % | 83.5 to 87.1 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.4 to 0.9 | |
| 0 |
| Molybdenum (Mo), % | 0.8 to 1.2 | |
| 3.5 to 4.5 |
| Nickel (Ni), % | 0.3 to 0.8 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.12 |
| Palladium (Pd), % | 0 | |
| 0.040 to 0.080 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 71 to 77 |
| Vanadium (V), % | 0.25 to 0.35 | |
| 7.5 to 8.5 |
| Zirconium (Zr), % | 0 | |
| 3.5 to 4.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |