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Solder Alloy 801 vs. 7022 Aluminum

Solder alloy 801 belongs to the otherwise unclassified metals classification, while 7022 aluminum belongs to the aluminum alloys. 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 solder alloy 801 and the bottom bar is 7022 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
70
Elongation at Break, % 33
6.3 to 8.0
Poisson's Ratio 0.35
0.32
Shear Modulus, GPa 20
26
Tensile Strength: Ultimate (UTS), MPa 55
490 to 540

Thermal Properties

Latent Heat of Fusion, J/g 64
380
Melting Completion (Liquidus), °C 200
640
Melting Onset (Solidus), °C 200
480
Specific Heat Capacity, J/kg-K 240
870
Thermal Conductivity, W/m-K 61
140
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
21
Electrical Conductivity: Equal Weight (Specific), % IACS 19
65

Otherwise Unclassified Properties

Density, g/cm3 7.2
2.9
Embodied Carbon, kg CO2/kg material 14
8.5
Embodied Energy, MJ/kg 240
150
Embodied Water, L/kg 1140
1130

Common Calculations

Stiffness to Weight: Axial, points 4.1
13
Stiffness to Weight: Bending, points 17
47
Strength to Weight: Axial, points 2.1
47 to 51
Strength to Weight: Bending, points 4.4
47 to 50
Thermal Diffusivity, mm2/s 36
54
Thermal Shock Resistance, points 3.3
21 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.0010
87.9 to 92.4
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Chromium (Cr), % 0
0.1 to 0.3
Copper (Cu), % 0 to 0.050
0.5 to 1.0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.5
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
2.6 to 3.7
Manganese (Mn), % 0
0.1 to 0.4
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 89.9 to 91.5
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 8.5 to 9.5
4.3 to 5.2
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15