EN 1.4568 Stainless Steel vs. Titanium 4-4-2
EN 1.4568 stainless steel belongs to the iron alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.4568 stainless steel and the bottom bar is titanium 4-4-2.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 2.3 to 21 | |
| 10 |
| Fatigue Strength, MPa | 220 to 670 | |
| 590 to 620 |
| Poisson's Ratio | 0.28 | |
| 0.32 |
| Shear Modulus, GPa | 76 | |
| 42 |
| Shear Strength, MPa | 520 to 930 | |
| 690 to 750 |
| Tensile Strength: Ultimate (UTS), MPa | 830 to 1620 | |
| 1150 to 1250 |
| Tensile Strength: Yield (Proof), MPa | 330 to 1490 | |
| 1030 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 310 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1610 |
| Melting Onset (Solidus), °C | 1380 | |
| 1560 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 540 |
| Thermal Conductivity, W/m-K | 16 | |
| 6.7 |
| Thermal Expansion, µm/m-K | 13 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 39 |
| Density, g/cm3 | 7.7 | |
| 4.7 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 30 |
| Embodied Energy, MJ/kg | 40 | |
| 480 |
| Embodied Water, L/kg | 140 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 to 140 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 290 to 5710 | |
| 4700 to 5160 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 34 |
| Strength to Weight: Axial, points | 30 to 58 | |
| 68 to 74 |
| Strength to Weight: Bending, points | 25 to 40 | |
| 52 to 55 |
| Thermal Diffusivity, mm2/s | 4.3 | |
| 2.6 |
| Thermal Shock Resistance, points | 23 to 46 | |
| 86 to 93 |
Alloy Composition
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| Aluminum (Al), % | 0.7 to 1.5 | |
| 3.0 to 5.0 |
| Carbon (C), % | 0 to 0.090 | |
| 0 to 0.080 |
| Chromium (Cr), % | 16 to 18 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 70.9 to 76.8 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 5.0 |
| Nickel (Ni), % | 6.5 to 7.8 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.050 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 0.7 | |
| 0.3 to 0.7 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 85.8 to 92.2 |
| Residuals, % | 0 | |
| 0 to 0.4 |