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UNS Z21210 (Zn-0.08Pb) Rolled Zinc

Z21210 zinc is an otherwise-unclassified alloy of zinc. Z21210 is the UNS number for this material. Zn-0.08Pb is the common industry name. It has a fairly high density relative to other zinc alloys in the database.

The properties of Z21210 zinc include two common variations. The property values on this page show ranges across all of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare Z21210 zinc to other zinc alloys (top) and the entire database (bottom).

Thermal Properties

Melting Completion (Liquidus)

420 °C 790 °F

Melting Onset (Solidus)

420 °C 790 °F

Specific Heat Capacity

400 J/kg-K 0.094 BTU/lb-°F

Thermal Conductivity

110 W/m-K 62 BTU/h-ft-°F

Thermal Expansion

32 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

28 % IACS

Electrical Conductivity: Equal Weight (Specific)

35 % IACS

Other Material Properties

Density

7.1 g/cm3 450 lb/ft3

Rockwell B Hardness

45 to 58

Tensile Strength: Ultimate (UTS)

150 to 170 MPa 21 to 24 x 103 psi

Common Calculations

Strength to Weight: Axial

5.7 to 6.4 points

Strength to Weight: Bending

8.6 to 9.4 points

Thermal Diffusivity

38 m2/s

Followup Questions

Further Reading

Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993