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C31400 Bronze vs. Z21210 Zinc

C31400 bronze 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 C31400 bronze and the bottom bar is Z21210 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Tensile Strength: Ultimate (UTS), MPa 270 to 420
150 to 170

Thermal Properties

Melting Completion (Liquidus), °C 1040
420
Melting Onset (Solidus), °C 1010
420
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 180
110
Thermal Expansion, µm/m-K 18
32

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
28
Electrical Conductivity: Equal Weight (Specific), % IACS 43
35

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.1

Common Calculations

Strength to Weight: Axial, points 8.7 to 13
5.7 to 6.4
Strength to Weight: Bending, points 11 to 14
8.6 to 9.4
Thermal Diffusivity, mm2/s 54
38