AISI 301LN Stainless Steel vs. 5050 Aluminum
AISI 301LN stainless steel belongs to the iron alloys classification, while 5050 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 AISI 301LN stainless steel and the bottom bar is 5050 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 210 to 320 | |
| 36 to 68 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 68 |
| Elongation at Break, % | 23 to 51 | |
| 1.7 to 22 |
| Fatigue Strength, MPa | 270 to 520 | |
| 45 to 100 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 26 |
| Shear Strength, MPa | 450 to 670 | |
| 91 to 140 |
| Tensile Strength: Ultimate (UTS), MPa | 630 to 1060 | |
| 140 to 250 |
| Tensile Strength: Yield (Proof), MPa | 270 to 770 | |
| 50 to 210 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 180 |
| Melting Completion (Liquidus), °C | 1430 | |
| 650 |
| Melting Onset (Solidus), °C | 1380 | |
| 630 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 900 |
| Thermal Conductivity, W/m-K | 15 | |
| 190 |
| Thermal Expansion, µm/m-K | 16 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 50 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 170 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 9.5 |
| Density, g/cm3 | 7.8 | |
| 2.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 8.4 |
| Embodied Energy, MJ/kg | 39 | |
| 150 |
| Embodied Water, L/kg | 130 | |
| 1190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 220 to 290 | |
| 4.1 to 24 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 to 1520 | |
| 18 to 330 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 50 |
| Strength to Weight: Axial, points | 22 to 38 | |
| 15 to 26 |
| Strength to Weight: Bending, points | 21 to 30 | |
| 22 to 33 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 79 |
| Thermal Shock Resistance, points | 14 to 24 | |
| 6.3 to 11 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 96.3 to 98.9 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 16 to 18 | |
| 0 to 0.1 |
| Copper (Cu), % | 0 | |
| 0 to 0.2 |
| Iron (Fe), % | 70.7 to 77.9 | |
| 0 to 0.7 |
| Magnesium (Mg), % | 0 | |
| 1.1 to 1.8 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 6.0 to 8.0 | |
| 0 |
| Nitrogen (N), % | 0.070 to 0.2 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 0.25 |
| Residuals, % | 0 | |
| 0 to 0.15 |