2219 Aluminum vs. 7204 Aluminum
Both 2219 aluminum and 7204 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.
For each property being compared, the top bar is 2219 aluminum and the bottom bar is 7204 aluminum.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 72 | |
70 |
Elongation at Break, % | 2.2 to 20 | |
11 to 13 |
Fatigue Strength, MPa | 90 to 130 | |
110 to 130 |
Poisson's Ratio | 0.33 | |
0.33 |
Shear Modulus, GPa | 27 | |
26 |
Shear Strength, MPa | 110 to 280 | |
130 to 220 |
Tensile Strength: Ultimate (UTS), MPa | 180 to 480 | |
220 to 380 |
Tensile Strength: Yield (Proof), MPa | 88 to 390 | |
120 to 310 |
Thermal Properties
Latent Heat of Fusion, J/g | 390 | |
380 |
Maximum Temperature: Mechanical, °C | 230 | |
210 |
Melting Completion (Liquidus), °C | 640 | |
640 |
Melting Onset (Solidus), °C | 540 | |
520 |
Specific Heat Capacity, J/kg-K | 870 | |
880 |
Thermal Conductivity, W/m-K | 110 to 170 | |
150 |
Thermal Expansion, µm/m-K | 22 | |
24 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 28 to 44 | |
39 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 81 to 130 | |
120 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 11 | |
9.5 |
Density, g/cm3 | 3.1 | |
2.9 |
Embodied Carbon, kg CO2/kg material | 8.2 | |
8.4 |
Embodied Energy, MJ/kg | 150 | |
150 |
Embodied Water, L/kg | 1130 | |
1140 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 9.6 to 60 | |
25 to 40 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 54 to 1060 | |
110 to 710 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 44 | |
47 |
Strength to Weight: Axial, points | 16 to 43 | |
21 to 36 |
Strength to Weight: Bending, points | 23 to 44 | |
28 to 40 |
Thermal Diffusivity, mm2/s | 42 to 63 | |
58 |
Thermal Shock Resistance, points | 8.2 to 22 | |
9.4 to 16 |
Alloy Composition
Aluminum (Al), % | 91.5 to 93.8 | |
90.5 to 94.8 |
Chromium (Cr), % | 0 | |
0 to 0.3 |
Copper (Cu), % | 5.8 to 6.8 | |
0 to 0.2 |
Iron (Fe), % | 0 to 0.3 | |
0 to 0.35 |
Magnesium (Mg), % | 0 to 0.020 | |
1.0 to 2.0 |
Manganese (Mn), % | 0.2 to 0.4 | |
0.2 to 0.7 |
Silicon (Si), % | 0 to 0.2 | |
0 to 0.3 |
Titanium (Ti), % | 0.020 to 0.1 | |
0 to 0.2 |
Vanadium (V), % | 0.050 to 0.15 | |
0 to 0.1 |
Zinc (Zn), % | 0 to 0.1 | |
4.0 to 5.0 |
Zirconium (Zr), % | 0.1 to 0.25 | |
0 to 0.25 |
Residuals, % | 0 | |
0 to 0.15 |