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354.0 Aluminum vs. Solder Alloy 123

354.0 aluminum belongs to the aluminum alloys classification, while solder alloy 123 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 354.0 aluminum and the bottom bar is solder alloy 123.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
18
Elongation at Break, % 2.4 to 3.0
45
Poisson's Ratio 0.33
0.44
Shear Modulus, GPa 27
6.2
Tensile Strength: Ultimate (UTS), MPa 360 to 380
28

Thermal Properties

Latent Heat of Fusion, J/g 530
26
Melting Completion (Liquidus), °C 600
310
Melting Onset (Solidus), °C 550
300
Specific Heat Capacity, J/kg-K 900
130
Thermal Conductivity, W/m-K 130
23
Thermal Expansion, µm/m-K 21
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 110
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 2.7
11
Embodied Carbon, kg CO2/kg material 7.8
4.5
Embodied Energy, MJ/kg 150
74
Embodied Water, L/kg 1070
500

Common Calculations

Stiffness to Weight: Axial, points 15
0.9
Stiffness to Weight: Bending, points 52
7.8
Strength to Weight: Axial, points 37 to 39
0.69
Strength to Weight: Bending, points 42 to 44
1.8
Thermal Diffusivity, mm2/s 52
16
Thermal Shock Resistance, points 17 to 18
3.8

Alloy Composition


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Aluminum (Al), % 87.3 to 89.4
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 1.6 to 2.0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.2
0 to 0.020
Lead (Pb), % 0
93.5 to 95.5
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 8.6 to 9.4
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
4.5 to 5.5
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.0010
Residuals, % 0 to 0.15
0