Zinc-Lead-Cadmium Rolled Zinc Alloy (Z21721)

Z21721 zinc is an alloy of zinc. It is typically furnished in the as-fabricated (no temper or treatment) condition.

Material Properties

Base Metal Price19 % rel

Density7.2 g/cm3 (450 lb/ft3)

Elastic (Young's, Tensile) Modulus110 GPa (16 x 106 psi)

Elongation at Break40 %

Poisson's Ratio0.25

Specific Heat Capacity390 J/kg-K

Strength to Weight Ratio21 kN-m/kg

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

Thermal Expansion26 µm/m-K

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

Alloy Composition

Zinc (Zn)98.9 to 100 %

Lead (Pb)0 to 1.0 %

Cadmium (Cd)0 to 0.070 %

Titanium (Ti)0 to 0.020 %

Iron (Fe)0 to 0.010 %

Copper (Cu)0 to 0.0050 %

Aluminum (Al)0 to 0.0020 %

Further Reading

ASTM B69: Standard Specification for Rolled Zinc

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