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C92700 Bronze vs. Z21210 Zinc

C92700 bronze 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 (16, in this case) are not shown.

For each property being compared, the top bar is C92700 bronze and the bottom bar is Z21210 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Rockwell B Hardness 77
45 to 58
Tensile Strength: Ultimate (UTS), MPa 290
150 to 170

Thermal Properties

Melting Completion (Liquidus), °C 980
420
Melting Onset (Solidus), °C 840
420
Specific Heat Capacity, J/kg-K 370
400
Thermal Conductivity, W/m-K 47
110
Thermal Expansion, µm/m-K 18
32

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
28
Electrical Conductivity: Equal Weight (Specific), % IACS 11
35

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.1

Common Calculations

Strength to Weight: Axial, points 9.1
5.7 to 6.4
Strength to Weight: Bending, points 11
8.6 to 9.4
Thermal Diffusivity, mm2/s 15
38