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355.0 Aluminum vs. Solder Alloy 811

355.0 aluminum belongs to the aluminum alloys classification, while solder alloy 811 belongs to the otherwise unclassified metals. 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 355.0 aluminum and the bottom bar is solder alloy 811.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
52
Elongation at Break, % 1.5 to 2.6
38
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 27
19
Tensile Strength: Ultimate (UTS), MPa 200 to 260
53

Thermal Properties

Latent Heat of Fusion, J/g 470
63
Melting Completion (Liquidus), °C 620
200
Melting Onset (Solidus), °C 560
190
Specific Heat Capacity, J/kg-K 890
230
Thermal Conductivity, W/m-K 150 to 170
59
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38 to 43
14
Electrical Conductivity: Equal Weight (Specific), % IACS 120 to 140
17

Otherwise Unclassified Properties

Density, g/cm3 2.7
7.3
Embodied Carbon, kg CO2/kg material 8.0
14
Embodied Energy, MJ/kg 150
240
Embodied Water, L/kg 1120
1200

Common Calculations

Stiffness to Weight: Axial, points 14
4.0
Stiffness to Weight: Bending, points 51
17
Strength to Weight: Axial, points 20 to 27
2.0
Strength to Weight: Bending, points 28 to 33
4.3
Thermal Diffusivity, mm2/s 60 to 69
35
Thermal Shock Resistance, points 9.1 to 12
3.3

Alloy Composition

Aluminum (Al), % 90.3 to 94.1
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.8 to 3.2
Cadmium (Cd), % 0
0 to 0.0020
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 1.0 to 1.5
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.6
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 4.5 to 5.5
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
87.8 to 89.7
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
7.5 to 8.5
Residuals, % 0 to 0.15
0