UNS Z21210 (Zn-0.08Pb) Rolled Zinc

Z21210 zinc is an alloy of zinc. Z21210 is the UNS number for this material. Zn-0.08Pb is the industry name.

It has two common variants, each represented as a separate material. The Material Properties section below shows ranges encompassing all variants. For more specific values, follow the links in the Variant Materials section.

Material Properties

Density7.1 g/cm3 (440 lb/ft3)

Electrical Conductivity28 % IACS

Electrical Resistivity Order of Magnitude-7 10x Ω-m

Melting Onset (Solidus)420 °C (790 °F)

Rockwell B Hardness45 to 58

Specific Heat Capacity400 J/kg-K

Strength to Weight Ratio21 to 24 kN-m/kg

Tensile Strength: Ultimate (UTS)150 to 170 MPa (22 to 25 x 103 psi)

Thermal Conductivity110 W/m-K

Thermal Diffusivity39 m2/s

Thermal Expansion32 µm/m-K

The length of each bar compares the given value to the highest value in the database.

Further Reading

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

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