201.0 Aluminum vs. ASTM Grade HN Steel
201.0 aluminum belongs to the aluminum alloys classification, while ASTM grade HN steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (13, 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 201.0 aluminum and the bottom bar is ASTM grade HN steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 95 to 140 | |
| 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 200 |
| Elongation at Break, % | 4.4 to 20 | |
| 9.0 |
| Poisson's Ratio | 0.33 | |
| 0.28 |
| Shear Modulus, GPa | 27 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 470 | |
| 500 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 1080 |
| Melting Completion (Liquidus), °C | 650 | |
| 1400 |
| Melting Onset (Solidus), °C | 570 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 480 |
| Thermal Conductivity, W/m-K | 120 | |
| 13 |
| Thermal Expansion, µm/m-K | 19 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 38 | |
| 26 |
| Density, g/cm3 | 3.1 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 8.7 | |
| 4.6 |
| Embodied Energy, MJ/kg | 160 | |
| 66 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 45 | |
| 25 |
| Strength to Weight: Axial, points | 33 to 42 | |
| 17 |
| Strength to Weight: Bending, points | 37 to 44 | |
| 18 |
| Thermal Diffusivity, mm2/s | 45 | |
| 3.5 |
| Thermal Shock Resistance, points | 19 to 25 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 92.1 to 95.1 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.2 to 0.5 |
| Chromium (Cr), % | 0 | |
| 19 to 23 |
| Copper (Cu), % | 4.0 to 5.2 | |
| 0 |
| Iron (Fe), % | 0 to 0.15 | |
| 44.9 to 57.8 |
| Magnesium (Mg), % | 0.15 to 0.55 | |
| 0 |
| Manganese (Mn), % | 0.2 to 0.5 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 23 to 27 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 2.0 |
| Silver (Ag), % | 0.4 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Titanium (Ti), % | 0.15 to 0.35 | |
| 0 |
| Residuals, % | 0 to 0.1 | |
| 0 |