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5019 Aluminum vs. Solder Alloy 181

5019 aluminum belongs to the aluminum alloys classification, while solder alloy 181 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (8, 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 5019 aluminum and the bottom bar is solder alloy 181.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
18
Elongation at Break, % 2.2 to 18
41
Poisson's Ratio 0.33
0.44
Shear Modulus, GPa 26
6.1
Tensile Strength: Ultimate (UTS), MPa 280 to 360
27

Thermal Properties

Latent Heat of Fusion, J/g 400
26
Melting Completion (Liquidus), °C 640
310
Melting Onset (Solidus), °C 540
300
Specific Heat Capacity, J/kg-K 900
130
Thermal Conductivity, W/m-K 130
24
Thermal Expansion, µm/m-K 24
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 98
7.4

Otherwise Unclassified Properties

Density, g/cm3 2.7
11
Embodied Carbon, kg CO2/kg material 9.0
6.2
Embodied Energy, MJ/kg 150
100

Common Calculations

Stiffness to Weight: Axial, points 14
0.86
Stiffness to Weight: Bending, points 51
7.7
Strength to Weight: Axial, points 29 to 38
0.66
Strength to Weight: Bending, points 35 to 42
1.8
Thermal Diffusivity, mm2/s 52
16
Thermal Shock Resistance, points 13 to 16
3.8

Alloy Composition

Aluminum (Al), % 91.5 to 95.3
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.020
Lead (Pb), % 0
96.2 to 98
Magnesium (Mg), % 4.5 to 5.6
0
Manganese (Mn), % 0.1 to 0.6
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
2.0 to 3.0
Tin (Sn), % 0
0 to 0.25
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.2
0 to 0.0010
Residuals, % 0 to 0.15
0