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Z21210 Zinc vs. Solder Alloy 137

Z21210 zinc belongs to the zinc alloys classification, while solder alloy 137 belongs to the otherwise unclassified metals. There are 12 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is Z21210 zinc and the bottom bar is solder alloy 137.

Metric UnitsUS Customary Units

Mechanical Properties

Tensile Strength: Ultimate (UTS), MPa 150 to 170
34

Thermal Properties

Melting Completion (Liquidus), °C 420
270
Melting Onset (Solidus), °C 420
190
Specific Heat Capacity, J/kg-K 400
150
Thermal Conductivity, W/m-K 110
38
Thermal Expansion, µm/m-K 32
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 35
7.7

Otherwise Unclassified Properties

Density, g/cm3 7.1
10

Common Calculations

Strength to Weight: Axial, points 5.7 to 6.4
0.9
Strength to Weight: Bending, points 8.6 to 9.4
2.2
Thermal Diffusivity, mm2/s 38
25