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238.0 Aluminum vs. Solder Alloy 135

238.0 aluminum belongs to the aluminum alloys classification, while solder alloy 135 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (5, 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 238.0 aluminum and the bottom bar is solder alloy 135.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
27
Elongation at Break, % 1.5
20
Poisson's Ratio 0.33
0.41
Shear Modulus, GPa 28
9.5
Tensile Strength: Ultimate (UTS), MPa 210
35

Thermal Properties

Latent Heat of Fusion, J/g 430
36
Melting Completion (Liquidus), °C 600
250
Melting Onset (Solidus), °C 510
190
Specific Heat Capacity, J/kg-K 840
160
Thermal Conductivity, W/m-K 100
42
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
9.5
Electrical Conductivity: Equal Weight (Specific), % IACS 67
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
90
Density, g/cm3 3.4
10
Embodied Carbon, kg CO2/kg material 7.4
7.3
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 1040
720

Common Calculations

Stiffness to Weight: Axial, points 12
1.5
Stiffness to Weight: Bending, points 42
9.9
Strength to Weight: Axial, points 17
1.0
Strength to Weight: Bending, points 23
2.4
Thermal Diffusivity, mm2/s 37
27
Thermal Shock Resistance, points 9.1
3.5

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0 to 0.0010
Antimony (Sb), % 0
0.5 to 1.8
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 9.5 to 10.5
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 1.0 to 1.5
0 to 0.020
Lead (Pb), % 0
67.1 to 70
Magnesium (Mg), % 0 to 0.25
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 3.6 to 4.4
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
29.5 to 30.5
Zinc (Zn), % 1.0 to 1.5
0 to 0.0010