EN AC-51100 Aluminum vs. EN AC-43400 Aluminum
Both EN AC-51100 aluminum and EN AC-43400 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 90% of their average alloy composition in common.
For each property being compared, the top bar is EN AC-51100 aluminum and the bottom bar is EN AC-43400 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 57 | |
| 80 |
| Elastic (Young's, Tensile) Modulus, GPa | 68 | |
| 72 |
| Elongation at Break, % | 4.5 | |
| 1.1 |
| Fatigue Strength, MPa | 58 | |
| 110 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 26 | |
| 27 |
| Tensile Strength: Ultimate (UTS), MPa | 160 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 80 | |
| 160 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 540 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 170 |
| Melting Completion (Liquidus), °C | 640 | |
| 600 |
| Melting Onset (Solidus), °C | 620 | |
| 590 |
| Specific Heat Capacity, J/kg-K | 900 | |
| 900 |
| Thermal Conductivity, W/m-K | 130 | |
| 140 |
| Thermal Expansion, µm/m-K | 23 | |
| 22 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 34 | |
| 32 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 | |
| 110 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.5 | |
| 9.5 |
| Density, g/cm3 | 2.7 | |
| 2.6 |
| Embodied Carbon, kg CO2/kg material | 8.7 | |
| 7.8 |
| Embodied Energy, MJ/kg | 150 | |
| 150 |
| Embodied Water, L/kg | 1180 | |
| 1070 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.0 | |
| 2.6 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 47 | |
| 180 |
| Stiffness to Weight: Axial, points | 14 | |
| 15 |
| Stiffness to Weight: Bending, points | 51 | |
| 54 |
| Strength to Weight: Axial, points | 17 | |
| 29 |
| Strength to Weight: Bending, points | 25 | |
| 36 |
| Thermal Diffusivity, mm2/s | 53 | |
| 59 |
| Thermal Shock Resistance, points | 7.3 | |
| 12 |
Alloy Composition
| Aluminum (Al), % | 94.5 to 97.5 | |
| 86 to 90.8 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.55 | |
| 0 to 1.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.15 |
| Magnesium (Mg), % | 2.5 to 3.5 | |
| 0.2 to 0.5 |
| Manganese (Mn), % | 0 to 0.45 | |
| 0 to 0.55 |
| Nickel (Ni), % | 0 | |
| 0 to 0.15 |
| Silicon (Si), % | 0 to 0.55 | |
| 9.0 to 11 |
| Tin (Sn), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 to 0.15 |
| Residuals, % | 0 | |
| 0 to 0.15 |