GENERAL PROPERTIES
SYMBOL: Zr
NUMBER: 40
ELEMENT CATEGORY: Transition Metals
PHYSICAL PROPERTIES
PHASE: Solid
STD ATOMIC WEIGHT: 91.224 g·mol−1
MELTING TEMPERATURE: 2128 K, 1855 °C, 3371 °F
BOILING POINT: 4682 K, 4409 °C, 7968 °F
CRYSTAL STRUCTURE: Hexagonal Close-Packed
ELECTRICAL RESISTIVITY: (20 °C) 421 nΩ·m
THERMAL CONDUCTIVITY: (300 K) 22.6 W·m−1·K−1
THERMAL EXPANSION: (25 °C) 5.7 µm·m−1·K−1
KEY FACTS
First isolated in 1824 by Jons Jakob Berzelius.
Highly resistant to corrosion by salts, alkalis and acids.
Often used as an alloying agent to improve corrosive resistance.
MAJOR APPLICATIONS
Heat exchangers
Reactor Vessels
Nuclear applications
Surgical instruments
Superconductor magnets
Alloying agent
AVAILABLE ALLOYS
Pure Zirconium
Niobium 1% Zirconium