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5070 Aluminum vs. Solder Alloy 115

5070 aluminum belongs to the aluminum alloys classification, while solder alloy 115 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 5070 aluminum and the bottom bar is solder alloy 115.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
28
Elongation at Break, % 20
22
Poisson's Ratio 0.33
0.41
Shear Modulus, GPa 26
10
Tensile Strength: Ultimate (UTS), MPa 300
36

Thermal Properties

Latent Heat of Fusion, J/g 390
36
Melting Completion (Liquidus), °C 640
250
Melting Onset (Solidus), °C 550
180
Specific Heat Capacity, J/kg-K 900
160
Thermal Conductivity, W/m-K 130
43
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
95
Density, g/cm3 2.7
9.9
Embodied Carbon, kg CO2/kg material 8.8
7.8
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1170
730

Common Calculations

Stiffness to Weight: Axial, points 14
1.6
Stiffness to Weight: Bending, points 50
10
Strength to Weight: Axial, points 31
1.0
Strength to Weight: Bending, points 37
2.4
Thermal Diffusivity, mm2/s 53
27
Thermal Shock Resistance, points 14
3.4

Alloy Composition


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Aluminum (Al), % 92.4 to 95.7
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.4
0 to 0.020
Lead (Pb), % 0
63.4 to 65.5
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.4 to 0.8
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.25
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
34.5 to 35.5
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0.4 to 0.8
0 to 0.0010
Residuals, % 0 to 0.15
0