Grade 20 Titanium vs. EN 1.4542 Stainless Steel
Grade 20 titanium belongs to the titanium alloys classification, while EN 1.4542 stainless steel belongs to the iron alloys. There are 25 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 grade 20 titanium and the bottom bar is EN 1.4542 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 190 |
| Elongation at Break, % | 5.7 to 17 | |
| 5.7 to 20 |
| Fatigue Strength, MPa | 550 to 630 | |
| 370 to 640 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 47 | |
| 76 |
| Shear Strength, MPa | 560 to 740 | |
| 550 to 860 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 880 to 1470 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 580 to 1300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 860 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1430 |
| Melting Onset (Solidus), °C | 1600 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 470 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 11 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 2.7 |
| Embodied Energy, MJ/kg | 860 | |
| 39 |
| Embodied Water, L/kg | 350 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 62 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 to 5760 | |
| 880 to 4360 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 33 | |
| 25 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 31 to 52 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 26 to 37 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 29 to 49 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0 to 0.070 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 15 to 17 |
| Copper (Cu), % | 0 | |
| 3.0 to 5.0 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 69.6 to 79 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0 to 0.6 |
| Nickel (Ni), % | 0 | |
| 3.0 to 5.0 |
| Niobium (Nb), % | 0 | |
| 0 to 0.45 |
| Nitrogen (N), % | 0 to 0.030 | |
| 0 |
| Oxygen (O), % | 0 to 0.12 | |
| 0 |
| Palladium (Pd), % | 0.040 to 0.080 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 0.7 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 71 to 77 | |
| 0 |
| Vanadium (V), % | 7.5 to 8.5 | |
| 0 |
| Zirconium (Zr), % | 3.5 to 4.5 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |