5086 Aluminum vs. EN 1.4945 Stainless Steel
5086 aluminum belongs to the aluminum alloys classification, while EN 1.4945 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 5086 aluminum and the bottom bar is EN 1.4945 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 65 to 100 | |
| 200 to 220 |
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 200 |
| Elongation at Break, % | 1.7 to 20 | |
| 19 to 34 |
| Fatigue Strength, MPa | 88 to 180 | |
| 230 to 350 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 26 | |
| 77 |
| Shear Strength, MPa | 160 to 230 | |
| 430 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 270 to 390 | |
| 640 to 740 |
| Tensile Strength: Yield (Proof), MPa | 110 to 320 | |
| 290 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 290 |
| Maximum Temperature: Corrosion, °C | 65 | |
| 520 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 920 |
| Melting Completion (Liquidus), °C | 640 | |
| 1490 |
| Melting Onset (Solidus), °C | 590 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 470 |
| Thermal Conductivity, W/m-K | 130 | |
| 14 |
| Thermal Expansion, µm/m-K | 24 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 31 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 3.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 30 |
| Density, g/cm3 | 2.7 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 8.8 | |
| 5.0 |
| Embodied Energy, MJ/kg | 150 | |
| 73 |
| Embodied Water, L/kg | 1180 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.8 to 42 | |
| 130 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 86 to 770 | |
| 210 to 760 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 50 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 40 | |
| 22 to 25 |
| Strength to Weight: Bending, points | 34 to 44 | |
| 20 to 22 |
| Thermal Diffusivity, mm2/s | 52 | |
| 3.7 |
| Thermal Shock Resistance, points | 12 to 17 | |
| 14 to 16 |
Alloy Composition
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| Aluminum (Al), % | 93 to 96.3 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.040 to 0.1 |
| Chromium (Cr), % | 0.050 to 0.25 | |
| 15.5 to 17.5 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.5 | |
| 57.9 to 65.7 |
| Magnesium (Mg), % | 3.5 to 4.5 | |
| 0 |
| Manganese (Mn), % | 0.2 to 0.7 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0 | |
| 15.5 to 17.5 |
| Niobium (Nb), % | 0 | |
| 0.4 to 1.2 |
| Nitrogen (N), % | 0 | |
| 0.060 to 0.14 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.4 | |
| 0.3 to 0.6 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 to 0.15 | |
| 0 |
| Tungsten (W), % | 0 | |
| 2.5 to 3.5 |
| Zinc (Zn), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |