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Z21210 Zinc vs. C67400 Bronze

Z21210 zinc belongs to the zinc alloys classification, while C67400 bronze belongs to the copper alloys. There are 13 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 C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Rockwell B Hardness 45 to 58
78 to 85
Tensile Strength: Ultimate (UTS), MPa 150 to 170
480 to 610

Thermal Properties

Melting Completion (Liquidus), °C 420
890
Melting Onset (Solidus), °C 420
870
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 110
100
Thermal Expansion, µm/m-K 32
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
23
Electrical Conductivity: Equal Weight (Specific), % IACS 35
26

Otherwise Unclassified Properties

Density, g/cm3 7.1
7.9

Common Calculations

Strength to Weight: Axial, points 5.7 to 6.4
17 to 22
Strength to Weight: Bending, points 8.6 to 9.4
17 to 20
Thermal Diffusivity, mm2/s 38
32