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A444.0 Aluminum vs. Solder Alloy 502

A444.0 aluminum belongs to the aluminum alloys classification, while solder alloy 502 belongs to the otherwise unclassified metals. There are 22 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 A444.0 aluminum and the bottom bar is solder alloy 502.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
53
Elongation at Break, % 18
34
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
19
Tensile Strength: Ultimate (UTS), MPa 160
58

Thermal Properties

Latent Heat of Fusion, J/g 500
66
Melting Completion (Liquidus), °C 630
350
Melting Onset (Solidus), °C 590
220
Specific Heat Capacity, J/kg-K 900
230
Thermal Conductivity, W/m-K 160
47
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
12
Electrical Conductivity: Equal Weight (Specific), % IACS 140
15

Otherwise Unclassified Properties

Density, g/cm3 2.6
7.4
Embodied Carbon, kg CO2/kg material 7.9
15
Embodied Energy, MJ/kg 150
260

Common Calculations

Stiffness to Weight: Axial, points 15
4.0
Stiffness to Weight: Bending, points 53
17
Strength to Weight: Axial, points 17
2.2
Strength to Weight: Bending, points 25
4.5
Thermal Diffusivity, mm2/s 68
28
Thermal Shock Resistance, points 7.3
3.6

Alloy Composition

Aluminum (Al), % 91.6 to 93.5
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0 to 0.1
3.5 to 4.5
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
0 to 0.070
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 6.5 to 7.5
0
Silver (Ag), % 0
0.8 to 1.2
Tin (Sn), % 0
93.8 to 95.7
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.0010
Residuals, % 0 to 0.15
0