7005 Aluminum vs. Solder Alloy 131
7005 aluminum belongs to the aluminum alloys classification, while solder alloy 131 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 7005 aluminum and the bottom bar is solder alloy 131.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 70 | |
| 38 |
| Elongation at Break, % | 10 to 20 | |
| 47 |
| Poisson's Ratio | 0.33 | |
| 0.39 |
| Shear Modulus, GPa | 26 | |
| 14 |
| Tensile Strength: Ultimate (UTS), MPa | 200 to 400 | |
| 31 |
Thermal Properties
| Latent Heat of Fusion, J/g | 380 | |
| 46 |
| Melting Completion (Liquidus), °C | 640 | |
| 180 |
| Melting Onset (Solidus), °C | 610 | |
| 180 |
| Specific Heat Capacity, J/kg-K | 880 | |
| 190 |
| Thermal Conductivity, W/m-K | 140 to 170 | |
| 55 |
| Thermal Expansion, µm/m-K | 23 | |
| 25 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 to 43 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 110 to 130 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.9 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 8.3 | |
| 11 |
| Embodied Energy, MJ/kg | 150 | |
| 180 |
| Embodied Water, L/kg | 1150 | |
| 940 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 2.4 |
| Stiffness to Weight: Bending, points | 47 | |
| 13 |
| Strength to Weight: Axial, points | 19 to 38 | |
| 1.0 |
| Strength to Weight: Bending, points | 26 to 41 | |
| 2.5 |
| Thermal Diffusivity, mm2/s | 54 to 65 | |
| 33 |
| Thermal Shock Resistance, points | 8.7 to 18 | |
| 2.4 |
Alloy Composition
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| Aluminum (Al), % | 91 to 94.7 | |
| 0 to 0.0010 |
| Antimony (Sb), % | 0 | |
| 0.2 to 0.5 |
| Arsenic (As), % | 0 | |
| 0 to 0.030 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.1 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0020 |
| Chromium (Cr), % | 0.060 to 0.2 | |
| 0 |
| Copper (Cu), % | 0 to 0.1 | |
| 0 to 0.080 |
| Gold (Au), % | 0 | |
| 0 to 0.050 |
| Indium (In), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 0.020 |
| Lead (Pb), % | 0 | |
| 35.5 to 37.3 |
| Magnesium (Mg), % | 1.0 to 1.8 | |
| 0 |
| Manganese (Mn), % | 0.2 to 0.7 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 0.35 | |
| 0 |
| Silver (Ag), % | 0 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 | |
| 62.5 to 63.5 |
| Titanium (Ti), % | 0.010 to 0.060 | |
| 0 |
| Zinc (Zn), % | 4.0 to 5.0 | |
| 0 to 0.0010 |
| Zirconium (Zr), % | 0.080 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.15 | |
| 0 |