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CR020A Copper vs. Z21210 Zinc

CR020A copper belongs to the copper alloys classification, while Z21210 zinc belongs to the zinc 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 CR020A copper and the bottom bar is Z21210 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Tensile Strength: Ultimate (UTS), MPa 220
150 to 170

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 9.0
7.1

Common Calculations

Strength to Weight: Axial, points 6.8
5.7 to 6.4
Strength to Weight: Bending, points 9.0
8.6 to 9.4
Thermal Diffusivity, mm2/s 110
38