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Solder Alloy 112 vs. 6105 Aluminum

Solder alloy 112 belongs to the otherwise unclassified metals classification, while 6105 aluminum belongs to the aluminum alloys. 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 solder alloy 112 and the bottom bar is 6105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
68
Elongation at Break, % 35
9.0 to 16
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 12
26
Tensile Strength: Ultimate (UTS), MPa 41
190 to 280

Thermal Properties

Latent Heat of Fusion, J/g 41
410
Melting Completion (Liquidus), °C 220
650
Melting Onset (Solidus), °C 180
600
Specific Heat Capacity, J/kg-K 180
900
Thermal Conductivity, W/m-K 49
180 to 190
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
46 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 10
150 to 170

Otherwise Unclassified Properties

Density, g/cm3 9.3
2.7
Embodied Carbon, kg CO2/kg material 9.4
8.3
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 830
1180

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 11
51
Strength to Weight: Axial, points 1.2
20 to 29
Strength to Weight: Bending, points 2.8
28 to 35
Thermal Diffusivity, mm2/s 30
72 to 79
Thermal Shock Resistance, points 3.5
8.6 to 12

Alloy Composition

Aluminum (Al), % 0 to 0.0010
97.2 to 99
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.050
0
Cadmium (Cd), % 0 to 0.0020
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.080
0 to 0.1
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.35
Lead (Pb), % 49 to 50.5
0
Magnesium (Mg), % 0
0.45 to 0.8
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0.6 to 1.0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 49.5 to 50.5
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.0010
0 to 0.1
Residuals, % 0
0 to 0.15