EN AC-21000 Aluminum vs. EN AC-44400 Aluminum
Both EN AC-21000 aluminum and EN AC-44400 aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common.
For each property being compared, the top bar is EN AC-21000 aluminum and the bottom bar is EN AC-44400 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 100 | |
61 |
Elastic (Young's, Tensile) Modulus, GPa | 71 | |
71 |
Elongation at Break, % | 6.7 | |
4.1 |
Fatigue Strength, MPa | 100 | |
79 |
Poisson's Ratio | 0.33 | |
0.33 |
Shear Modulus, GPa | 27 | |
27 |
Tensile Strength: Ultimate (UTS), MPa | 340 | |
210 |
Tensile Strength: Yield (Proof), MPa | 240 | |
110 |
Thermal Properties
Latent Heat of Fusion, J/g | 390 | |
540 |
Maximum Temperature: Mechanical, °C | 170 | |
170 |
Melting Completion (Liquidus), °C | 670 | |
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 | |
33 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 100 | |
110 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 11 | |
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 | |
1080 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 | |
7.3 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 390 | |
85 |
Stiffness to Weight: Axial, points | 13 | |
15 |
Stiffness to Weight: Bending, points | 46 | |
54 |
Strength to Weight: Axial, points | 32 | |
23 |
Strength to Weight: Bending, points | 36 | |
31 |
Thermal Diffusivity, mm2/s | 49 | |
60 |
Thermal Shock Resistance, points | 15 | |
9.8 |
Alloy Composition
Aluminum (Al), % | 93.4 to 95.5 | |
87.1 to 92 |
Copper (Cu), % | 4.2 to 5.0 | |
0 to 0.1 |
Iron (Fe), % | 0 to 0.35 | |
0 to 0.65 |
Lead (Pb), % | 0 to 0.050 | |
0 to 0.050 |
Magnesium (Mg), % | 0.15 to 0.35 | |
0 to 0.1 |
Manganese (Mn), % | 0 to 0.1 | |
0 to 0.5 |
Nickel (Ni), % | 0 to 0.050 | |
0 to 0.050 |
Silicon (Si), % | 0 to 0.2 | |
8.0 to 11 |
Tin (Sn), % | 0 to 0.050 | |
0 to 0.050 |
Titanium (Ti), % | 0.15 to 0.3 | |
0 to 0.15 |
Zinc (Zn), % | 0 to 0.1 | |
0 to 0.15 |
Residuals, % | 0 | |
0 to 0.15 |