Grade 20 Titanium vs. EN 1.4104 Stainless Steel
Grade 20 titanium belongs to the titanium alloys classification, while EN 1.4104 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 1.4104 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 5.7 to 17 | |
| 11 to 23 |
| Fatigue Strength, MPa | 550 to 630 | |
| 230 to 310 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 47 | |
| 77 |
| Shear Strength, MPa | 560 to 740 | |
| 400 to 450 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 1270 | |
| 630 to 750 |
| Tensile Strength: Yield (Proof), MPa | 850 to 1190 | |
| 350 to 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 370 | |
| 860 |
| Melting Completion (Liquidus), °C | 1660 | |
| 1440 |
| Melting Onset (Solidus), °C | 1600 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 520 | |
| 480 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 10 |
Otherwise Unclassified Properties
| Density, g/cm3 | 5.0 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 52 | |
| 2.2 |
| Embodied Energy, MJ/kg | 860 | |
| 30 |
| Embodied Water, L/kg | 350 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 150 | |
| 77 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2940 to 5760 | |
| 310 to 800 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 33 | |
| 25 |
| Strength to Weight: Axial, points | 50 to 70 | |
| 23 to 27 |
| Strength to Weight: Bending, points | 41 to 52 | |
| 21 to 24 |
| Thermal Shock Resistance, points | 55 to 77 | |
| 22 to 27 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 4.0 | |
| 0 |
| Carbon (C), % | 0 to 0.050 | |
| 0.1 to 0.17 |
| Chromium (Cr), % | 5.5 to 6.5 | |
| 15.5 to 17.5 |
| Hydrogen (H), % | 0 to 0.020 | |
| 0 |
| Iron (Fe), % | 0 to 0.3 | |
| 78.8 to 84.1 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 3.5 to 4.5 | |
| 0.2 to 0.6 |
| 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 1.0 |
| Sulfur (S), % | 0 | |
| 0.15 to 0.35 |
| 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 |