Zinc (Zn)

Base Metals | Atomic Number: 30

Basic Properties

Zn
30
65.38 g/mol
Element Category Base Metals
Atomic Number 30
Atomic Weight 65.38 g/mol
Crystal Structure Hexagonal close-packed (HCP)

Crystal Structure Visualization

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Description

Zinc is used primarily for galvanizing steel and in die-casting alloys, offering good corrosion protection.
Density 7.14 g/cm³
Tensile Strength 140-200 MPa
Hardness 2.5 Mohs
Melting Point 419.5°C
Boiling Point 907°C
Thermal Conductivity 116 W/(m·K)
Electrical Conductivity 1.69 × 10^7 S/m
Corrosion Resistance Good (sacrificial coating for steel)

Applications

Galvanizing steel, die-casting, brass alloys, roofing, batteries

Production Methods

Electrolytic process, pyrometallurgical process

History

Production as a distinct metal began in the 13th century in India