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Solder Alloy 113 vs. Solder Alloy 122

Both solder alloy 113 and solder alloy 122 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 65% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is solder alloy 113 and the bottom bar is solder alloy 122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 32
20
Elongation at Break, % 32
30
Poisson's Ratio 0.4
0.43
Shear Modulus, GPa 11
6.9
Tensile Strength: Ultimate (UTS), MPa 39
30

Thermal Properties

Latent Heat of Fusion, J/g 40
27
Melting Completion (Liquidus), °C 230
300
Melting Onset (Solidus), °C 180
270
Specific Heat Capacity, J/kg-K 170
140
Thermal Conductivity, W/m-K 46
25
Thermal Expansion, µm/m-K 26
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
7.3

Otherwise Unclassified Properties

Density, g/cm3 9.5
11
Embodied Carbon, kg CO2/kg material 8.9
5.0
Embodied Energy, MJ/kg 150
84
Embodied Water, L/kg 800
540

Common Calculations

Stiffness to Weight: Axial, points 1.8
1.0
Stiffness to Weight: Bending, points 11
8.2
Strength to Weight: Axial, points 1.1
0.77
Strength to Weight: Bending, points 2.7
2.0
Thermal Diffusivity, mm2/s 28
17
Thermal Shock Resistance, points 3.4
3.9

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 0 to 0.5
0 to 0.5
Arsenic (As), % 0 to 0.030
0 to 0.030
Bismuth (Bi), % 0 to 0.25
0 to 0.25
Cadmium (Cd), % 0 to 0.0050
0 to 0.0050
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), % 53.4 to 55.5
88.4 to 90.5
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silver (Ag), % 0 to 0.1
0 to 0.1
Tin (Sn), % 44.5 to 45.5
9.5 to 10.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010