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C28000 Muntz Metal vs. Z21210 Zinc

C28000 Muntz Metal belongs to the copper alloys classification, while Z21210 zinc belongs to the zinc 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 C28000 Muntz Metal and the bottom bar is Z21210 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Rockwell B Hardness 55 to 78
45 to 58
Tensile Strength: Ultimate (UTS), MPa 330 to 610
150 to 170

Thermal Properties

Melting Completion (Liquidus), °C 900
420
Melting Onset (Solidus), °C 900
420
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 21
32

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
28
Electrical Conductivity: Equal Weight (Specific), % IACS 31
35

Otherwise Unclassified Properties

Density, g/cm3 8.0
7.1

Common Calculations

Strength to Weight: Axial, points 11 to 21
5.7 to 6.4
Strength to Weight: Bending, points 13 to 20
8.6 to 9.4
Thermal Diffusivity, mm2/s 40
38