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Z21210 Zinc vs. Zamak 5

Both Z21210 zinc and Zamak 5 are zinc alloys. There are 13 material properties with values for both materials. Properties with values for just one material (22, in this case) are not shown.

For each property being compared, the top bar is Z21210 zinc and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Rockwell B Hardness 45 to 58
57
Tensile Strength: Ultimate (UTS), MPa 150 to 170
330

Thermal Properties

Melting Completion (Liquidus), °C 420
390
Melting Onset (Solidus), °C 420
380
Specific Heat Capacity, J/kg-K 400
410
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 32
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
26
Electrical Conductivity: Equal Weight (Specific), % IACS 35
37

Otherwise Unclassified Properties

Density, g/cm3 7.1
6.4

Common Calculations

Strength to Weight: Axial, points 5.7 to 6.4
14
Strength to Weight: Bending, points 8.6 to 9.4
16
Thermal Diffusivity, mm2/s 38
42