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6061 Aluminum vs. Solder Alloy 112

6061 aluminum belongs to the aluminum alloys classification, while solder alloy 112 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 6061 aluminum and the bottom bar is solder alloy 112.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
33
Elongation at Break, % 3.4 to 20
35
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 26
12
Tensile Strength: Ultimate (UTS), MPa 130 to 410
41

Thermal Properties

Latent Heat of Fusion, J/g 400
41
Melting Completion (Liquidus), °C 650
220
Melting Onset (Solidus), °C 580
180
Specific Heat Capacity, J/kg-K 900
180
Thermal Conductivity, W/m-K 170
49
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
11
Electrical Conductivity: Equal Weight (Specific), % IACS 140
10

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
830

Common Calculations

Stiffness to Weight: Axial, points 14
2.0
Stiffness to Weight: Bending, points 50
11
Strength to Weight: Axial, points 13 to 42
1.2
Strength to Weight: Bending, points 21 to 45
2.8
Thermal Diffusivity, mm2/s 68
30
Thermal Shock Resistance, points 5.7 to 18
3.5

Alloy Composition

Aluminum (Al), % 95.9 to 98.6
0 to 0.0010
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.050
Cadmium (Cd), % 0
0 to 0.0020
Chromium (Cr), % 0.040 to 0.35
0
Copper (Cu), % 0.15 to 0.4
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.7
0 to 0.020
Lead (Pb), % 0
49 to 50.5
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.4 to 0.8
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
49.5 to 50.5
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0 to 0.0010
Residuals, % 0 to 0.15
0