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Solder Alloy 811 vs. A380.0 Aluminum

Solder alloy 811 belongs to the otherwise unclassified metals classification, while A380.0 aluminum belongs to the aluminum alloys. There are 23 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 solder alloy 811 and the bottom bar is A380.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 52
73
Elongation at Break, % 38
3.3
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 19
27
Tensile Strength: Ultimate (UTS), MPa 53
290

Thermal Properties

Latent Heat of Fusion, J/g 63
510
Melting Completion (Liquidus), °C 200
590
Melting Onset (Solidus), °C 190
550
Specific Heat Capacity, J/kg-K 230
870
Thermal Conductivity, W/m-K 59
96
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
25
Electrical Conductivity: Equal Weight (Specific), % IACS 17
78

Otherwise Unclassified Properties

Density, g/cm3 7.3
2.9
Embodied Carbon, kg CO2/kg material 14
7.5
Embodied Energy, MJ/kg 240
140
Embodied Water, L/kg 1200
1040

Common Calculations

Stiffness to Weight: Axial, points 4.0
14
Stiffness to Weight: Bending, points 17
48
Strength to Weight: Axial, points 2.0
28
Strength to Weight: Bending, points 4.3
34
Thermal Diffusivity, mm2/s 35
38
Thermal Shock Resistance, points 3.3
13

Alloy Composition

Aluminum (Al), % 0 to 0.0010
80.3 to 89.5
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.8 to 3.2
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.050
3.0 to 4.0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 1.3
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
0 to 0.5
Silicon (Si), % 0
7.5 to 9.5
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 87.8 to 89.7
0 to 0.35
Zinc (Zn), % 7.5 to 8.5
0 to 3.0
Residuals, % 0
0 to 0.5