MakeItFrom.com
Menu (ESC)

Z21210 Zinc vs. R31539 Cobalt

Z21210 zinc belongs to the zinc alloys classification, while R31539 cobalt belongs to the cobalt 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 Z21210 zinc and the bottom bar is R31539 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Tensile Strength: Ultimate (UTS), MPa 150 to 170
1000 to 1340

Thermal Properties

Melting Completion (Liquidus), °C 420
1360
Melting Onset (Solidus), °C 420
1290
Specific Heat Capacity, J/kg-K 400
450
Thermal Conductivity, W/m-K 110
13
Thermal Expansion, µm/m-K 32
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 35
2.1

Otherwise Unclassified Properties

Density, g/cm3 7.1
8.4

Common Calculations

Strength to Weight: Axial, points 5.7 to 6.4
33 to 44
Strength to Weight: Bending, points 8.6 to 9.4
27 to 32
Thermal Diffusivity, mm2/s 38
3.5

Comparable Variants