Titanium 4-4-2 vs. EN 1.4020 Stainless Steel
Titanium 4-4-2 belongs to the titanium alloys classification, while EN 1.4020 stainless steel belongs to the iron 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 titanium 4-4-2 and the bottom bar is EN 1.4020 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 10 | |
| 13 to 34 |
| Fatigue Strength, MPa | 590 to 620 | |
| 340 to 540 |
| Poisson's Ratio | 0.32 | |
| 0.28 |
| Shear Modulus, GPa | 42 | |
| 77 |
| Shear Strength, MPa | 690 to 750 | |
| 510 to 680 |
| Tensile Strength: Ultimate (UTS), MPa | 1150 to 1250 | |
| 770 to 1130 |
| Tensile Strength: Yield (Proof), MPa | 1030 to 1080 | |
| 430 to 950 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 310 | |
| 890 |
| Melting Completion (Liquidus), °C | 1610 | |
| 1390 |
| Melting Onset (Solidus), °C | 1560 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 540 | |
| 480 |
| Thermal Expansion, µm/m-K | 8.6 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 11 |
| Density, g/cm3 | 4.7 | |
| 7.6 |
| Embodied Carbon, kg CO2/kg material | 30 | |
| 2.5 |
| Embodied Energy, MJ/kg | 480 | |
| 37 |
| Embodied Water, L/kg | 180 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 140 to 220 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 4700 to 5160 | |
| 460 to 2290 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 34 | |
| 25 |
| Strength to Weight: Axial, points | 68 to 74 | |
| 28 to 41 |
| Strength to Weight: Bending, points | 52 to 55 | |
| 25 to 32 |
| Thermal Shock Resistance, points | 86 to 93 | |
| 16 to 23 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 5.0 | |
| 0 |
| Carbon (C), % | 0 to 0.080 | |
| 0 to 0.15 |
| Chromium (Cr), % | 0 | |
| 16.5 to 19 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.2 | |
| 62.8 to 71.8 |
| Manganese (Mn), % | 0 | |
| 11 to 14 |
| Molybdenum (Mo), % | 3.0 to 5.0 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0.5 to 2.5 |
| Nitrogen (N), % | 0 to 0.050 | |
| 0.2 to 0.45 |
| Oxygen (O), % | 0 to 0.25 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0.3 to 0.7 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 85.8 to 92.2 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |