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C34500 Brass vs. Z21210 Zinc

C34500 brass 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 (18, in this case) are not shown.

For each property being compared, the top bar is C34500 brass and the bottom bar is Z21210 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.2
7.1

Common Calculations

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