5056 Aluminum vs. EN 1.4980 Stainless Steel
5056 aluminum belongs to the aluminum alloys classification, while EN 1.4980 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 5056 aluminum and the bottom bar is EN 1.4980 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 67 | |
| 190 |
| Elongation at Break, % | 4.9 to 31 | |
| 17 |
| Fatigue Strength, MPa | 140 to 200 | |
| 410 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 25 | |
| 75 |
| Shear Strength, MPa | 170 to 240 | |
| 630 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 460 | |
| 1030 |
| Tensile Strength: Yield (Proof), MPa | 150 to 410 | |
| 680 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 920 |
| Melting Completion (Liquidus), °C | 640 | |
| 1430 |
| Melting Onset (Solidus), °C | 570 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 910 | |
| 470 |
| Thermal Conductivity, W/m-K | 130 | |
| 13 |
| Thermal Expansion, µm/m-K | 24 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 29 | |
| 1.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 99 | |
| 2.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 26 |
| Density, g/cm3 | 2.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 9.0 | |
| 6.0 |
| Embodied Energy, MJ/kg | 150 | |
| 87 |
| Embodied Water, L/kg | 1180 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 140 | |
| 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 1220 | |
| 1180 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 51 | |
| 24 |
| Strength to Weight: Axial, points | 30 to 48 | |
| 36 |
| Strength to Weight: Bending, points | 36 to 50 | |
| 28 |
| Thermal Diffusivity, mm2/s | 53 | |
| 3.5 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 22 |
Alloy Composition
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| Aluminum (Al), % | 93 to 95.4 | |
| 0 to 0.35 |
| Boron (B), % | 0 | |
| 0.0030 to 0.010 |
| Carbon (C), % | 0 | |
| 0.030 to 0.080 |
| Chromium (Cr), % | 0.050 to 0.2 | |
| 13.5 to 16 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 49.2 to 58.5 |
| Magnesium (Mg), % | 4.5 to 5.6 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.2 | |
| 1.0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 1.0 to 1.5 |
| Nickel (Ni), % | 0 | |
| 24 to 27 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 1.9 to 2.3 |
| Vanadium (V), % | 0 | |
| 0.1 to 0.5 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |