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Z21210 Zinc vs. C91700 Bronze

Z21210 zinc belongs to the zinc alloys classification, while C91700 bronze belongs to the copper alloys. There are 12 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is Z21210 zinc and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Tensile Strength: Ultimate (UTS), MPa 150 to 170
330

Thermal Properties

Melting Completion (Liquidus), °C 420
1020
Melting Onset (Solidus), °C 420
850
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 110
71
Thermal Expansion, µm/m-K 32
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
10
Electrical Conductivity: Equal Weight (Specific), % IACS 35
10

Otherwise Unclassified Properties

Density, g/cm3 7.1
8.7

Common Calculations

Strength to Weight: Axial, points 5.7 to 6.4
11
Strength to Weight: Bending, points 8.6 to 9.4
12
Thermal Diffusivity, mm2/s 38
22