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Solder Alloy 502 vs. Commercially Pure Zinc

Solder alloy 502 belongs to the otherwise unclassified metals classification, while commercially pure zinc belongs to the zinc alloys. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 502 and the bottom bar is commercially pure zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 53
87
Elongation at Break, % 34
38
Poisson's Ratio 0.36
0.25
Shear Modulus, GPa 19
35
Tensile Strength: Ultimate (UTS), MPa 58
97

Thermal Properties

Latent Heat of Fusion, J/g 66
110
Melting Completion (Liquidus), °C 350
410
Melting Onset (Solidus), °C 220
400
Specific Heat Capacity, J/kg-K 230
390
Thermal Conductivity, W/m-K 47
110
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
27
Electrical Conductivity: Equal Weight (Specific), % IACS 15
37

Otherwise Unclassified Properties

Density, g/cm3 7.4
6.6
Embodied Carbon, kg CO2/kg material 15
2.8
Embodied Energy, MJ/kg 260
53

Common Calculations

Stiffness to Weight: Axial, points 4.0
7.4
Stiffness to Weight: Bending, points 17
23
Strength to Weight: Axial, points 2.2
4.1
Strength to Weight: Bending, points 4.5
7.1
Thermal Diffusivity, mm2/s 28
44
Thermal Shock Resistance, points 3.6
3.0

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.010
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.080
0
Cadmium (Cd), % 0 to 0.0020
0 to 0.010
Copper (Cu), % 3.5 to 4.5
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), % 0 to 0.070
0 to 0.030
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0.8 to 1.2
0
Tin (Sn), % 93.8 to 95.7
0 to 0.0030
Titanium (Ti), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.0010
99.827 to 100