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Solder Alloy 182 vs. Solder Alloy 101

Both solder alloy 182 and solder alloy 101 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is solder alloy 182 and the bottom bar is solder alloy 101.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 19
38
Elongation at Break, % 37
48
Poisson's Ratio 0.44
0.39
Shear Modulus, GPa 6.7
14
Tensile Strength: Ultimate (UTS), MPa 28
31

Thermal Properties

Latent Heat of Fusion, J/g 28
46
Melting Completion (Liquidus), °C 370
180
Melting Onset (Solidus), °C 300
180
Specific Heat Capacity, J/kg-K 130
190
Thermal Conductivity, W/m-K 27
51
Thermal Expansion, µm/m-K 29
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
12
Electrical Conductivity: Equal Weight (Specific), % IACS 7.6
12

Otherwise Unclassified Properties

Density, g/cm3 11
8.8
Embodied Carbon, kg CO2/kg material 9.0
11
Embodied Energy, MJ/kg 140
180

Common Calculations

Stiffness to Weight: Axial, points 0.95
2.4
Stiffness to Weight: Bending, points 7.9
13
Strength to Weight: Axial, points 0.69
1.0
Strength to Weight: Bending, points 1.8
2.5
Thermal Diffusivity, mm2/s 18
31
Thermal Shock Resistance, points 3.7
2.4

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 0 to 0.2
0 to 0.2
Arsenic (As), % 0 to 0.030
0 to 0.030
Bismuth (Bi), % 0 to 0.1
0 to 0.1
Cadmium (Cd), % 0 to 0.0020
0 to 0.0020
Copper (Cu), % 0 to 0.080
0 to 0.080
Gold (Au), % 0 to 0.050
0 to 0.050
Indium (In), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.020
0 to 0.020
Lead (Pb), % 93.2 to 95
35.8 to 37.5
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silver (Ag), % 5.0 to 6.0
0 to 0.1
Tin (Sn), % 0 to 0.25
62.5 to 63.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010