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Z21210 Zinc vs. CR021A Copper

Z21210 zinc belongs to the zinc alloys classification, while CR021A copper belongs to the copper alloys. There are 12 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is Z21210 zinc and the bottom bar is CR021A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Tensile Strength: Ultimate (UTS), MPa 150 to 170
230

Thermal Properties

Melting Completion (Liquidus), °C 420
1090
Melting Onset (Solidus), °C 420
1040
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 110
380
Thermal Expansion, µm/m-K 32
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
98
Electrical Conductivity: Equal Weight (Specific), % IACS 35
99

Otherwise Unclassified Properties

Density, g/cm3 7.1
9.0

Common Calculations

Strength to Weight: Axial, points 5.7 to 6.4
7.1
Strength to Weight: Bending, points 8.6 to 9.4
9.3
Thermal Diffusivity, mm2/s 38
110