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Solder Alloy 123 vs. Commercially Pure Zinc

Solder alloy 123 belongs to the otherwise unclassified metals classification, while commercially pure zinc belongs to the zinc alloys. There are 24 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 123 and the bottom bar is commercially pure zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
87
Elongation at Break, % 45
38
Poisson's Ratio 0.44
0.25
Shear Modulus, GPa 6.2
35
Tensile Strength: Ultimate (UTS), MPa 28
97

Thermal Properties

Latent Heat of Fusion, J/g 26
110
Melting Completion (Liquidus), °C 310
410
Melting Onset (Solidus), °C 300
400
Specific Heat Capacity, J/kg-K 130
390
Thermal Conductivity, W/m-K 23
110
Thermal Expansion, µm/m-K 29
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.8
27
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
37

Otherwise Unclassified Properties

Base Metal Price, % relative 75
11
Density, g/cm3 11
6.6
Embodied Carbon, kg CO2/kg material 4.5
2.8
Embodied Energy, MJ/kg 74
53
Embodied Water, L/kg 500
340

Common Calculations

Stiffness to Weight: Axial, points 0.9
7.4
Stiffness to Weight: Bending, points 7.8
23
Strength to Weight: Axial, points 0.69
4.1
Strength to Weight: Bending, points 1.8
7.1
Thermal Diffusivity, mm2/s 16
44
Thermal Shock Resistance, points 3.8
3.0

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.010
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0050
0 to 0.010
Copper (Cu), % 0 to 0.080
0 to 0.080
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.020
Lead (Pb), % 93.5 to 95.5
0 to 0.030
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 4.5 to 5.5
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.0010
99.827 to 100