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Solder Alloy 112 vs. 6101B Aluminum

Solder alloy 112 belongs to the otherwise unclassified metals classification, while 6101B 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 6101B aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
68
Elongation at Break, % 35
9.1 to 13
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 12
26
Tensile Strength: Ultimate (UTS), MPa 41
190 to 250

Thermal Properties

Latent Heat of Fusion, J/g 41
400
Melting Completion (Liquidus), °C 220
640
Melting Onset (Solidus), °C 180
630
Specific Heat Capacity, J/kg-K 180
900
Thermal Conductivity, W/m-K 49
210
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
57
Electrical Conductivity: Equal Weight (Specific), % IACS 10
190

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
1190

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 11
50
Strength to Weight: Axial, points 1.2
20 to 25
Strength to Weight: Bending, points 2.8
27 to 32
Thermal Diffusivity, mm2/s 30
87
Thermal Shock Resistance, points 3.5
8.5 to 11

Alloy Composition

Aluminum (Al), % 0 to 0.0010
98.2 to 99.3
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
Copper (Cu), % 0 to 0.080
0 to 0.050
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0.1 to 0.3
Lead (Pb), % 49 to 50.5
0
Magnesium (Mg), % 0
0.35 to 0.6
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0.3 to 0.6
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 49.5 to 50.5
0
Zinc (Zn), % 0 to 0.0010
0 to 0.1
Residuals, % 0
0 to 0.1