5383 Aluminum vs. AISI 420 Stainless Steel
5383 aluminum belongs to the aluminum alloys classification, while AISI 420 stainless steel belongs to the iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 5383 aluminum and the bottom bar is AISI 420 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 85 to 110 | |
| 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 190 |
| Elongation at Break, % | 6.7 to 15 | |
| 8.0 to 15 |
| Fatigue Strength, MPa | 130 to 200 | |
| 220 to 670 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 26 | |
| 76 |
| Shear Strength, MPa | 190 to 220 | |
| 420 to 1010 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 370 | |
| 690 to 1720 |
| Tensile Strength: Yield (Proof), MPa | 150 to 310 | |
| 380 to 1310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 65 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 620 |
| Melting Completion (Liquidus), °C | 650 | |
| 1510 |
| Melting Onset (Solidus), °C | 540 | |
| 1450 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 480 |
| Thermal Conductivity, W/m-K | 130 | |
| 27 |
| Thermal Expansion, µm/m-K | 24 | |
| 10 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 29 | |
| 3.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 97 | |
| 3.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 7.5 |
| Density, g/cm3 | 2.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 9.0 | |
| 2.0 |
| Embodied Energy, MJ/kg | 160 | |
| 28 |
| Embodied Water, L/kg | 1170 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 23 to 40 | |
| 88 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 690 | |
| 380 to 4410 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 38 | |
| 25 to 62 |
| Strength to Weight: Bending, points | 38 to 42 | |
| 22 to 41 |
| Thermal Diffusivity, mm2/s | 51 | |
| 7.3 |
| Thermal Shock Resistance, points | 14 to 16 | |
| 25 to 62 |
Alloy Composition
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| Aluminum (Al), % | 92 to 95.3 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.15 to 0.4 |
| Chromium (Cr), % | 0 to 0.25 | |
| 12 to 14 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 |
| Iron (Fe), % | 0 to 0.25 | |
| 82.3 to 87.9 |
| Magnesium (Mg), % | 4.0 to 5.2 | |
| 0 |
| Manganese (Mn), % | 0.7 to 1.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.75 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.25 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0 to 0.4 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |