EN 1.4378 Stainless Steel vs. 5383 Aluminum
EN 1.4378 stainless steel belongs to the iron alloys classification, while 5383 aluminum belongs to the aluminum 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. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is EN 1.4378 stainless steel and the bottom bar is 5383 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 340 | |
| 85 to 110 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 68 |
| Elongation at Break, % | 14 to 34 | |
| 6.7 to 15 |
| Fatigue Strength, MPa | 340 to 550 | |
| 130 to 200 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 26 |
| Shear Strength, MPa | 510 to 680 | |
| 190 to 220 |
| Tensile Strength: Ultimate (UTS), MPa | 760 to 1130 | |
| 310 to 370 |
| Tensile Strength: Yield (Proof), MPa | 430 to 970 | |
| 150 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 390 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 65 |
| Maximum Temperature: Mechanical, °C | 910 | |
| 200 |
| Melting Completion (Liquidus), °C | 1390 | |
| 650 |
| Melting Onset (Solidus), °C | 1350 | |
| 540 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 900 |
| Thermal Expansion, µm/m-K | 17 | |
| 24 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 9.5 |
| Density, g/cm3 | 7.6 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 9.0 |
| Embodied Energy, MJ/kg | 39 | |
| 160 |
| Embodied Water, L/kg | 150 | |
| 1170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 220 | |
| 23 to 40 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 470 to 2370 | |
| 170 to 690 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 50 |
| Strength to Weight: Axial, points | 28 to 41 | |
| 32 to 38 |
| Strength to Weight: Bending, points | 24 to 31 | |
| 38 to 42 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 14 to 16 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 92 to 95.3 |
| Carbon (C), % | 0 to 0.080 | |
| 0 |
| Chromium (Cr), % | 17 to 19 | |
| 0 to 0.25 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Iron (Fe), % | 61.2 to 69 | |
| 0 to 0.25 |
| Magnesium (Mg), % | 0 | |
| 4.0 to 5.2 |
| Manganese (Mn), % | 11.5 to 14.5 | |
| 0.7 to 1.0 |
| Nickel (Ni), % | 2.3 to 3.7 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.25 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.15 |
| Zinc (Zn), % | 0 | |
| 0 to 0.4 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.2 |
| Residuals, % | 0 | |
| 0 to 0.15 |