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2618A Aluminum vs. Solder Alloy 136

2618A aluminum belongs to the aluminum alloys classification, while solder alloy 136 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 2618A aluminum and the bottom bar is solder alloy 136.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
25
Elongation at Break, % 4.5
19
Poisson's Ratio 0.33
0.42
Shear Modulus, GPa 27
8.9
Tensile Strength: Ultimate (UTS), MPa 440
34

Thermal Properties

Latent Heat of Fusion, J/g 390
34
Melting Completion (Liquidus), °C 670
260
Melting Onset (Solidus), °C 560
190
Specific Heat Capacity, J/kg-K 880
150
Thermal Conductivity, W/m-K 150
40
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
90
Density, g/cm3 3.0
10
Embodied Carbon, kg CO2/kg material 8.4
6.8
Embodied Energy, MJ/kg 150
110
Embodied Water, L/kg 1150
680

Common Calculations

Stiffness to Weight: Axial, points 13
1.4
Stiffness to Weight: Bending, points 47
9.5
Strength to Weight: Axial, points 41
0.92
Strength to Weight: Bending, points 44
2.3
Thermal Diffusivity, mm2/s 59
26
Thermal Shock Resistance, points 19
3.6

Alloy Composition

Aluminum (Al), % 91.5 to 95.2
0 to 0.0010
Antimony (Sb), % 0
0.5 to 2.0
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 1.8 to 2.7
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0.9 to 1.4
0 to 0.020
Lead (Pb), % 0
71.9 to 75
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0.8 to 1.4
0 to 0.010
Silicon (Si), % 0.15 to 0.25
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
24.5 to 25.5
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.15
0 to 0.0010
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0