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Z21210 Zinc vs. C34500 Brass

Z21210 zinc belongs to the zinc alloys classification, while C34500 brass 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 C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Tensile Strength: Ultimate (UTS), MPa 150 to 170
340 to 430

Thermal Properties

Melting Completion (Liquidus), °C 420
910
Melting Onset (Solidus), °C 420
890
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 32
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
26
Electrical Conductivity: Equal Weight (Specific), % IACS 35
29

Otherwise Unclassified Properties

Density, g/cm3 7.1
8.2

Common Calculations

Strength to Weight: Axial, points 5.7 to 6.4
12 to 15
Strength to Weight: Bending, points 8.6 to 9.4
13 to 16
Thermal Diffusivity, mm2/s 38
37