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5657 Aluminum vs. Solder Alloy 124

5657 aluminum belongs to the aluminum alloys classification, while solder alloy 124 belongs to the otherwise unclassified metals. There are 24 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 5657 aluminum and the bottom bar is solder alloy 124.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
17
Elongation at Break, % 6.6 to 15
46
Poisson's Ratio 0.33
0.44
Shear Modulus, GPa 26
5.8
Tensile Strength: Ultimate (UTS), MPa 150 to 200
27

Thermal Properties

Latent Heat of Fusion, J/g 400
24
Melting Completion (Liquidus), °C 660
330
Melting Onset (Solidus), °C 640
320
Specific Heat Capacity, J/kg-K 900
130
Thermal Conductivity, W/m-K 210
22
Thermal Expansion, µm/m-K 24
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 180
7.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 2.7
11
Embodied Carbon, kg CO2/kg material 8.4
4.1
Embodied Energy, MJ/kg 160
68
Embodied Water, L/kg 1200
470

Common Calculations

Stiffness to Weight: Axial, points 14
0.83
Stiffness to Weight: Bending, points 50
7.6
Strength to Weight: Axial, points 15 to 20
0.65
Strength to Weight: Bending, points 23 to 28
1.8
Thermal Diffusivity, mm2/s 84
15
Thermal Shock Resistance, points 6.7 to 8.6
3.9

Alloy Composition

Aluminum (Al), % 98.5 to 99.4
0 to 0.0010
Antimony (Sb), % 0
0 to 0.12
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0 to 0.1
0 to 0.080
Gallium (Ga), % 0 to 0.030
0
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.1
0 to 0.020
Lead (Pb), % 0
97.2 to 98.2
Magnesium (Mg), % 0.6 to 1.0
0
Manganese (Mn), % 0 to 0.030
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.080
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
1.8 to 2.2
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
0 to 0.0010
Residuals, % 0 to 0.050
0