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C71000 Copper-nickel vs. Z21210 Zinc

C71000 copper-nickel 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 (13, in this case) are not shown.

For each property being compared, the top bar is C71000 copper-nickel and the bottom bar is Z21210 zinc.

Metric UnitsUS Customary Units

Mechanical Properties

Rockwell B Hardness 59 to 85
45 to 58
Tensile Strength: Ultimate (UTS), MPa 320 to 560
150 to 170

Thermal Properties

Melting Completion (Liquidus), °C 1200
420
Melting Onset (Solidus), °C 1150
420
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 43
110
Thermal Expansion, µm/m-K 15
32

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
28
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
35

Otherwise Unclassified Properties

Density, g/cm3 8.9
7.1

Common Calculations

Strength to Weight: Axial, points 10 to 18
5.7 to 6.4
Strength to Weight: Bending, points 12 to 17
8.6 to 9.4
Thermal Diffusivity, mm2/s 12
38