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Z21210 Zinc vs. EN AC-51300 Aluminum

Z21210 zinc belongs to the zinc alloys classification, while EN AC-51300 aluminum belongs to the aluminum alloys. There are 12 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is Z21210 zinc and the bottom bar is EN AC-51300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Tensile Strength: Ultimate (UTS), MPa 150 to 170
190

Thermal Properties

Melting Completion (Liquidus), °C 420
640
Melting Onset (Solidus), °C 420
600
Specific Heat Capacity, J/kg-K 400
910
Thermal Conductivity, W/m-K 110
110
Thermal Expansion, µm/m-K 32
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
31
Electrical Conductivity: Equal Weight (Specific), % IACS 35
100

Otherwise Unclassified Properties

Density, g/cm3 7.1
2.7

Common Calculations

Strength to Weight: Axial, points 5.7 to 6.4
20
Strength to Weight: Bending, points 8.6 to 9.4
28
Thermal Diffusivity, mm2/s 38
45