EN AC-21200 Aluminum vs. 204.0 Aluminum
Both EN AC-21200 aluminum and 204.0 aluminum are aluminum alloys. Their average alloy composition is basically identical. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is EN AC-21200 aluminum and the bottom bar is 204.0 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 120 to 130 | |
| 90 to 120 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 71 |
| Elongation at Break, % | 3.9 to 6.2 | |
| 5.7 to 7.8 |
| Fatigue Strength, MPa | 110 to 130 | |
| 63 to 77 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 410 to 440 | |
| 230 to 340 |
| Tensile Strength: Yield (Proof), MPa | 270 to 360 | |
| 180 to 220 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 390 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 660 | |
| 650 |
| Melting Onset (Solidus), °C | 550 | |
| 580 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 880 |
| Thermal Conductivity, W/m-K | 130 | |
| 120 |
| Thermal Expansion, µm/m-K | 23 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 29 to 34 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 87 to 100 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 11 |
| Density, g/cm3 | 3.0 | |
| 3.0 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 8.0 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 22 | |
| 12 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 to 930 | |
| 220 to 350 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 46 | |
| 46 |
| Strength to Weight: Axial, points | 38 to 40 | |
| 21 to 31 |
| Strength to Weight: Bending, points | 41 to 43 | |
| 28 to 36 |
| Thermal Diffusivity, mm2/s | 49 | |
| 46 |
| Thermal Shock Resistance, points | 18 to 19 | |
| 12 to 18 |
Alloy Composition
| Aluminum (Al), % | 93.3 to 95.7 | |
| 93.4 to 95.5 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 4.2 to 5.0 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 |
| Magnesium (Mg), % | 0.15 to 0.5 | |
| 0.15 to 0.35 |
| Manganese (Mn), % | 0.2 to 0.5 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.2 |
| Tin (Sn), % | 0 to 0.030 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0.15 to 0.3 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.15 |