201.0 Aluminum vs. EN 1.1221 Steel
201.0 aluminum belongs to the aluminum alloys classification, while EN 1.1221 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 201.0 aluminum and the bottom bar is EN 1.1221 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 95 to 140 | |
| 210 to 250 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 190 |
| Elongation at Break, % | 4.4 to 20 | |
| 10 to 21 |
| Fatigue Strength, MPa | 120 to 150 | |
| 240 to 340 |
| Poisson's Ratio | 0.33 | |
| 0.29 |
| Shear Modulus, GPa | 27 | |
| 72 |
| Shear Strength, MPa | 290 | |
| 450 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 470 | |
| 730 to 870 |
| Tensile Strength: Yield (Proof), MPa | 220 to 400 | |
| 390 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 400 |
| Melting Completion (Liquidus), °C | 650 | |
| 1460 |
| Melting Onset (Solidus), °C | 570 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 870 | |
| 470 |
| Thermal Conductivity, W/m-K | 120 | |
| 48 |
| Thermal Expansion, µm/m-K | 19 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 30 to 33 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 87 to 97 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 38 | |
| 2.1 |
| Density, g/cm3 | 3.1 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 8.7 | |
| 1.5 |
| Embodied Energy, MJ/kg | 160 | |
| 19 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 19 to 63 | |
| 67 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 1160 | |
| 410 to 800 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 45 | |
| 24 |
| Strength to Weight: Axial, points | 33 to 42 | |
| 26 to 31 |
| Strength to Weight: Bending, points | 37 to 44 | |
| 23 to 26 |
| Thermal Diffusivity, mm2/s | 45 | |
| 13 |
| Thermal Shock Resistance, points | 19 to 25 | |
| 23 to 28 |
Alloy Composition
| Aluminum (Al), % | 92.1 to 95.1 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.57 to 0.65 |
| Chromium (Cr), % | 0 | |
| 0 to 0.4 |
| Copper (Cu), % | 4.0 to 5.2 | |
| 0 |
| Iron (Fe), % | 0 to 0.15 | |
| 97.1 to 98.8 |
| Magnesium (Mg), % | 0.15 to 0.55 | |
| 0 |
| Manganese (Mn), % | 0.2 to 0.5 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 0 to 0.4 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.4 |
| Silver (Ag), % | 0.4 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.035 |
| Titanium (Ti), % | 0.15 to 0.35 | |
| 0 |
| Residuals, % | 0 to 0.1 | |
| 0 |