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8090 Aluminum vs. Solder Alloy 402

8090 aluminum belongs to the aluminum alloys classification, while solder alloy 402 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (7, 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 8090 aluminum and the bottom bar is solder alloy 402.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
52
Elongation at Break, % 3.5 to 13
20
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 25
19
Tensile Strength: Ultimate (UTS), MPa 340 to 490
57

Thermal Properties

Latent Heat of Fusion, J/g 400
64
Melting Completion (Liquidus), °C 660
310
Melting Onset (Solidus), °C 600
230
Specific Heat Capacity, J/kg-K 960
230
Thermal Conductivity, W/m-K 95 to 160
61
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
15
Electrical Conductivity: Equal Weight (Specific), % IACS 66
18

Otherwise Unclassified Properties

Density, g/cm3 2.7
7.3
Embodied Carbon, kg CO2/kg material 8.6
15
Embodied Energy, MJ/kg 170
250
Embodied Water, L/kg 1160
1180

Common Calculations

Stiffness to Weight: Axial, points 14
3.9
Stiffness to Weight: Bending, points 50
17
Strength to Weight: Axial, points 34 to 49
2.2
Strength to Weight: Bending, points 39 to 50
4.5
Thermal Diffusivity, mm2/s 36 to 60
37
Thermal Shock Resistance, points 15 to 22
3.6

Alloy Composition

Aluminum (Al), % 93 to 98.4
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 1.0 to 1.6
2.5 to 3.5
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.3
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
95.9 to 97.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 0.0010
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0 to 0.15
0