EN AC-21200-T7 vs. EN AC-43500-T7
Both EN AC-21200-T7 and EN AC-43500-T7 are aluminum alloys. Both are furnished in the T7 temper. They have 89% of their average alloy composition in common.
For each property being compared, the top bar is EN AC-21200-T7 and the bottom bar is EN AC-43500-T7.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 130 | |
| 68 |
| Elastic (Young's, Tensile) Modulus, GPa | 71 | |
| 72 |
| Elongation at Break, % | 3.9 | |
| 13 |
| Fatigue Strength, MPa | 130 | |
| 62 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 27 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 440 | |
| 220 |
| Tensile Strength: Yield (Proof), MPa | 360 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 390 | |
| 550 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 660 | |
| 600 |
| Melting Onset (Solidus), °C | 550 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 900 |
| Thermal Conductivity, W/m-K | 130 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 38 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
| 130 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 10 | |
| 9.5 |
| Density, g/cm3 | 3.0 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 8.0 | |
| 7.8 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1150 | |
| 1070 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 | |
| 26 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 930 | |
| 130 |
| Stiffness to Weight: Axial, points | 13 | |
| 16 |
| Stiffness to Weight: Bending, points | 46 | |
| 54 |
| Strength to Weight: Axial, points | 40 | |
| 24 |
| Strength to Weight: Bending, points | 43 | |
| 32 |
| Thermal Diffusivity, mm2/s | 49 | |
| 60 |
| Thermal Shock Resistance, points | 19 | |
| 10 |
Alloy Composition
| Aluminum (Al), % | 93.3 to 95.7 | |
| 86.4 to 90.5 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 0 to 0.050 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 |
| Magnesium (Mg), % | 0.15 to 0.5 | |
| 0.1 to 0.6 |
| Manganese (Mn), % | 0.2 to 0.5 | |
| 0.4 to 0.8 |
| Nickel (Ni), % | 0 to 0.050 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 9.0 to 11.5 |
| Tin (Sn), % | 0 to 0.030 | |
| 0 |
| Titanium (Ti), % | 0 to 0.1 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.070 |
| Residuals, % | 0 | |
| 0 to 0.15 |