5049 Aluminum vs. EN 1.0308 Steel
5049 aluminum belongs to the aluminum alloys classification, while EN 1.0308 steel belongs to the iron alloys. 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 5049 aluminum and the bottom bar is EN 1.0308 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 52 to 88 | |
| 100 to 130 |
| Elastic (Young's, Tensile) Modulus, GPa | 69 | |
| 190 |
| Elongation at Break, % | 2.0 to 18 | |
| 7.8 to 28 |
| Fatigue Strength, MPa | 79 to 130 | |
| 140 to 200 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 26 | |
| 73 |
| Shear Strength, MPa | 130 to 190 | |
| 230 to 260 |
| Tensile Strength: Ultimate (UTS), MPa | 210 to 330 | |
| 360 to 440 |
| Tensile Strength: Yield (Proof), MPa | 91 to 280 | |
| 190 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 400 |
| Melting Completion (Liquidus), °C | 650 | |
| 1460 |
| Melting Onset (Solidus), °C | 620 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 470 |
| Thermal Conductivity, W/m-K | 140 | |
| 51 |
| Thermal Expansion, µm/m-K | 24 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 1.8 |
| Density, g/cm3 | 2.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.5 | |
| 1.4 |
| Embodied Energy, MJ/kg | 150 | |
| 18 |
| Embodied Water, L/kg | 1180 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.0 to 31 | |
| 32 to 95 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 59 to 570 | |
| 93 to 300 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 50 | |
| 24 |
| Strength to Weight: Axial, points | 22 to 34 | |
| 13 to 16 |
| Strength to Weight: Bending, points | 29 to 39 | |
| 14 to 16 |
| Thermal Diffusivity, mm2/s | 56 | |
| 14 |
| Thermal Shock Resistance, points | 9.3 to 15 | |
| 11 to 14 |
Alloy Composition
| Aluminum (Al), % | 94.7 to 97.9 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.17 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.5 | |
| 98.2 to 100 |
| Magnesium (Mg), % | 1.6 to 2.5 | |
| 0 |
| Manganese (Mn), % | 0.5 to 1.1 | |
| 0 to 1.2 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.4 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.045 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |