6063 Aluminum vs. ASTM Grade HE Steel
6063 aluminum belongs to the aluminum alloys classification, while ASTM grade HE 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 6063 aluminum and the bottom bar is ASTM grade HE steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 25 to 95 | |
| 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 200 |
| Elongation at Break, % | 7.3 to 21 | |
| 10 |
| Fatigue Strength, MPa | 39 to 95 | |
| 160 |
| Poisson's Ratio | 0.33 | |
| 0.27 |
| Shear Modulus, GPa | 26 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 110 to 300 | |
| 670 |
| Tensile Strength: Yield (Proof), MPa | 49 to 270 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 1100 |
| Melting Completion (Liquidus), °C | 650 | |
| 1400 |
| Melting Onset (Solidus), °C | 620 | |
| 1360 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 490 |
| Thermal Conductivity, W/m-K | 190 to 220 | |
| 14 |
| Thermal Expansion, µm/m-K | 23 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 49 to 58 | |
| 2.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 160 to 190 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 19 |
| Density, g/cm3 | 2.7 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 3.5 |
| Embodied Energy, MJ/kg | 150 | |
| 50 |
| Embodied Water, L/kg | 1190 | |
| 190 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 27 | |
| 56 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 18 to 540 | |
| 240 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 50 | |
| 25 |
| Strength to Weight: Axial, points | 11 to 31 | |
| 24 |
| Strength to Weight: Bending, points | 18 to 37 | |
| 22 |
| Thermal Diffusivity, mm2/s | 79 to 89 | |
| 3.6 |
| Thermal Shock Resistance, points | 4.8 to 13 | |
| 14 |
Alloy Composition
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| Aluminum (Al), % | 97.5 to 99.4 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.2 to 0.5 |
| Chromium (Cr), % | 0 to 0.1 | |
| 26 to 30 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.35 | |
| 53.9 to 65.8 |
| Magnesium (Mg), % | 0.45 to 0.9 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 8.0 to 11 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.2 to 0.6 | |
| 0 to 2.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |