7204 Aluminum vs. Commercially Pure Silver
7204 aluminum belongs to the aluminum alloys classification, while commercially pure silver belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is 7204 aluminum and the bottom bar is commercially pure silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 71 |
| Elongation at Break, % | 11 to 13 | |
| 1.1 to 29 |
| Poisson's Ratio | 0.33 | |
| 0.37 |
| Shear Modulus, GPa | 26 | |
| 26 |
| Shear Strength, MPa | 130 to 220 | |
| 120 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 220 to 380 | |
| 190 to 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 110 |
| Melting Completion (Liquidus), °C | 640 | |
| 960 |
| Melting Onset (Solidus), °C | 520 | |
| 960 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 240 |
| Thermal Conductivity, W/m-K | 150 | |
| 420 |
| Thermal Expansion, µm/m-K | 24 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 39 | |
| 100 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 120 | |
| 87 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.9 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 3.8 |
| Stiffness to Weight: Bending, points | 47 | |
| 13 |
| Strength to Weight: Axial, points | 21 to 36 | |
| 4.9 to 8.9 |
| Strength to Weight: Bending, points | 28 to 40 | |
| 6.9 to 10 |
| Thermal Diffusivity, mm2/s | 58 | |
| 170 |
| Thermal Shock Resistance, points | 9.4 to 16 | |
| 9.5 to 17 |
Alloy Composition
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| Aluminum (Al), % | 90.5 to 94.8 | |
| 0 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0 |
| Copper (Cu), % | 0 to 0.2 | |
| 0 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 |
| Magnesium (Mg), % | 1.0 to 2.0 | |
| 0 |
| Manganese (Mn), % | 0.2 to 0.7 | |
| 0 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 |
| Silver (Ag), % | 0 | |
| 99.9 to 100 |
| Titanium (Ti), % | 0 to 0.2 | |
| 0 |
| Vanadium (V), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 4.0 to 5.0 | |
| 0 |
| Zirconium (Zr), % | 0 to 0.25 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.1 |