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Solder Alloy 142 vs. EN AC-41000 Aluminum

Solder alloy 142 belongs to the otherwise unclassified metals classification, while EN AC-41000 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 142 and the bottom bar is EN AC-41000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
69
Elongation at Break, % 37
4.5
Poisson's Ratio 0.4
0.33
Shear Modulus, GPa 12
26
Tensile Strength: Ultimate (UTS), MPa 43
170 to 280

Thermal Properties

Latent Heat of Fusion, J/g 42
420
Melting Completion (Liquidus), °C 210
640
Melting Onset (Solidus), °C 180
630
Specific Heat Capacity, J/kg-K 170
900
Thermal Conductivity, W/m-K 45
170
Thermal Expansion, µm/m-K 25
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
38
Electrical Conductivity: Equal Weight (Specific), % IACS 11
130

Otherwise Unclassified Properties

Density, g/cm3 9.3
2.7
Embodied Carbon, kg CO2/kg material 9.4
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 890
1160

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 11
51
Strength to Weight: Axial, points 1.3
18 to 29
Strength to Weight: Bending, points 2.9
26 to 35
Thermal Diffusivity, mm2/s 28
69
Thermal Shock Resistance, points 3.7
7.8 to 13

Alloy Composition

Aluminum (Al), % 0 to 0.0010
95.2 to 97.6
Antimony (Sb), % 0 to 0.2
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 2.5 to 3.5
0
Cadmium (Cd), % 0 to 0.0020
0
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 0.6
Lead (Pb), % 47.4 to 50
0 to 0.050
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0
0.3 to 0.5
Nickel (Ni), % 0 to 0.010
0 to 0.050
Silicon (Si), % 0
1.6 to 2.4
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 47.5 to 48.5
0 to 0.050
Titanium (Ti), % 0
0.050 to 0.2
Zinc (Zn), % 0 to 0.0010
0 to 0.1
Residuals, % 0
0 to 0.15