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6105 Aluminum vs. Solder Alloy 142

6105 aluminum belongs to the aluminum alloys classification, while solder alloy 142 belongs to the otherwise unclassified metals. There are 23 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 6105 aluminum and the bottom bar is solder alloy 142.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
33
Elongation at Break, % 9.0 to 16
37
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 26
12
Tensile Strength: Ultimate (UTS), MPa 190 to 280
43

Thermal Properties

Latent Heat of Fusion, J/g 410
42
Melting Completion (Liquidus), °C 650
210
Melting Onset (Solidus), °C 600
180
Specific Heat Capacity, J/kg-K 900
170
Thermal Conductivity, W/m-K 180 to 190
45
Thermal Expansion, µm/m-K 23
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46 to 50
11
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
11

Otherwise Unclassified Properties

Density, g/cm3 2.7
9.3
Embodied Carbon, kg CO2/kg material 8.3
9.4
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
890

Common Calculations

Stiffness to Weight: Axial, points 14
2.0
Stiffness to Weight: Bending, points 51
11
Strength to Weight: Axial, points 20 to 29
1.3
Strength to Weight: Bending, points 28 to 35
2.9
Thermal Diffusivity, mm2/s 72 to 79
28
Thermal Shock Resistance, points 8.6 to 12
3.7

Alloy Composition

Aluminum (Al), % 97.2 to 99
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.5 to 3.5
Cadmium (Cd), % 0
0 to 0.0020
Chromium (Cr), % 0 to 0.1
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 0.35
0 to 0.020
Lead (Pb), % 0
47.4 to 50
Magnesium (Mg), % 0.45 to 0.8
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.6 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
47.5 to 48.5
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0 to 0.0010
Residuals, % 0 to 0.15
0