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C443.0 Aluminum vs. Solder Alloy 124

C443.0 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 C443.0 aluminum and the bottom bar is solder alloy 124.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
17
Elongation at Break, % 9.0
46
Poisson's Ratio 0.33
0.44
Shear Modulus, GPa 27
5.8
Tensile Strength: Ultimate (UTS), MPa 230
27

Thermal Properties

Latent Heat of Fusion, J/g 470
24
Melting Completion (Liquidus), °C 630
330
Melting Onset (Solidus), °C 600
320
Specific Heat Capacity, J/kg-K 900
130
Thermal Conductivity, W/m-K 140
22
Thermal Expansion, µm/m-K 22
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 2.7
11
Embodied Carbon, kg CO2/kg material 7.9
4.1
Embodied Energy, MJ/kg 150
68
Embodied Water, L/kg 1120
470

Common Calculations

Stiffness to Weight: Axial, points 15
0.83
Stiffness to Weight: Bending, points 51
7.6
Strength to Weight: Axial, points 24
0.65
Strength to Weight: Bending, points 31
1.8
Thermal Diffusivity, mm2/s 58
15
Thermal Shock Resistance, points 10
3.9

Alloy Composition

Aluminum (Al), % 89.6 to 95.5
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 0.6
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 2.0
0 to 0.020
Lead (Pb), % 0
97.2 to 98.2
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0 to 0.5
0 to 0.010
Silicon (Si), % 4.5 to 6.0
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0 to 0.15
1.8 to 2.2
Zinc (Zn), % 0 to 0.5
0 to 0.0010
Residuals, % 0 to 0.25
0