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Z21210 Zinc vs. C68800 Brass

Z21210 zinc belongs to the zinc alloys classification, while C68800 brass belongs to the copper alloys. There are 13 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 C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Rockwell B Hardness 45 to 58
81 to 99
Tensile Strength: Ultimate (UTS), MPa 150 to 170
570 to 890

Thermal Properties

Melting Completion (Liquidus), °C 420
960
Melting Onset (Solidus), °C 420
950
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 110
40
Thermal Expansion, µm/m-K 32
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
18
Electrical Conductivity: Equal Weight (Specific), % IACS 35
20

Otherwise Unclassified Properties

Density, g/cm3 7.1
8.2

Common Calculations

Strength to Weight: Axial, points 5.7 to 6.4
19 to 30
Strength to Weight: Bending, points 8.6 to 9.4
19 to 25
Thermal Diffusivity, mm2/s 38
12