Zinc-Lead-Cadmium Rolled Zinc Alloy (Z21721)
Zinc Alloys
Property Overview
Density6.6g/cm³
Elastic Modulus87GPa
Tensile Strength150MPa
Yield Strength120MPa
Brinell HardnessUnknown
Maximum Service Temperature90°C
Chemical Composition
CU
0 to 0.0050%
TI
0 to 0.020%
AL
0 to 0.0020%
CD
0 to 0.070%
PB
0 to 1.0%
ZN
98.9 to 100%
FE
0 to 0.010%
Mechanical
Elastic (Young's, Tensile) Modulus
87 GPa
Elongation at Break
40 %
Poisson's Ratio
0.25
Shear Modulus
35 GPa
Tensile Strength: Ultimate (UTS)
150 MPa
Tensile Strength: Yield (Proof)
120 MPa
Physical
Density
6.6 g/cm 3
Thermal
Latent Heat of Fusion
110 J/g
Maximum Temperature: Mechanical
90 °C
Melting Completion (Liquidus)
410 °C
Melting Onset (Solidus)
390 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
110 W/m-K
Thermal Diffusivity
44 mm 2 /s
Thermal Expansion
26 µm/m-K
Thermal Shock Resistance
4.8 points
Electrical
Electrical Conductivity: Equal Volume
27 % IACS
Electrical Conductivity: Equal Weight (Specific)
37 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
57 MJ/m 3
Resilience: Unit (Modulus of Resilience)
88 kJ/m 3
Stiffness to Weight: Axial
7.3 points
Stiffness to Weight: Bending
22 points
Strength to Weight: Axial
6.4 points
Strength to Weight: Bending
9.6 points
Environmental
Base Metal Price
11 % relative
Embodied Carbon
2.8 kg CO 2 /kg material
Embodied Energy
53 MJ/kg
Embodied Energy
53 MJ/kg 23 x 10 3 BTU/lb
Embodied Water
340 L/kg
Embodied Water
340 L/kg 41 gal/lb
Registered Designations & Aliases
Z21721Zinc-Lead-Cadmium Rolled Zinc Alloy (Z21721)
Standards
ASTM B69 ASTM B69: Standard Specification for Rolled Zinc
ASTM B69 ASTM B69: Standard Specification for Rolled Zinc Corrosion Resistance of Zinc and Zinc Alloys, Frank C. Porter, 1994 Zinc Handbook: Properties, Processing, and Use In Design, Frank C. Porter, 1991 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993