Zirconium Rod

Zirconium Rod is a high-performance metallic form known for its exceptional corrosion resistance, low thermal neutron absorption cross-section, and high-temperature stability. In its pure state, zirconium exhibits good ductility, high melting point (1,855 °C), and excellent dimensional stability under thermal cycling, making it a key material in nuclear reactor fuel cladding, chemical processing equipment, and marine hardware. Zirconium rods are widely used in the nuclear industry because their low neutron capture minimizes interference with reactor operations while resisting aggressive coolant environments. In advanced manufacturing, zirconium serves as an alloying element in specialty metals, a getter material in vacuum systems, and a base material for producing high-strength zirconium alloys. Research applications include studies of oxidation mechanisms, surface coatings such as zirconium carbide or nitride for wear and heat resistance, and experimental uses in hypersonic vehicle components. Combining outstanding corrosion resistance, thermal endurance, and nuclear compatibility, zirconium rod remains indispensable in both critical energy systems and cutting-edge materials research.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Rod

Diameter	=<10mm	±10%
Diameter	>10mm	±5%

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	40
Crystal structure	Hexagonal close packed
Electronic structure	Kr 4d² 5s²
Valences shown	2,3,4
Atomic weight( amu )	91.22
Thermal neutron absorption cross-section( Barns )	0.182
Photo-electric work function( eV )	3.8
Natural isotope distribution( Mass No./% )	96/ 2.8
Natural isotope distribution( Mass No./% )	92/ 17.1
Natural isotope distribution( Mass No./% )	91/ 11.2
Natural isotope distribution( Mass No./% )	94/ 17.5
Natural isotope distribution( Mass No./% )	90/ 51.4
Atomic radius - Goldschmidt( nm )	0.16
Ionisation potential( No./eV )	4/ 34.34
Ionisation potential( No./eV )	Jun-99
Ionisation potential( No./eV )	2/ 13.13
Ionisation potential( No./eV )	1/ 6.84
Ionisation potential( No./eV )	5/ 81.5
Ionisation potential( No./eV )	3/ 22.99

Mechanical Properties

Element	Value
Material condition	Polycrystalline
Material condition	Soft
Poisson's ratio	0.38
Poisson's ratio	0.38
Bulk modulus( GPa )	89.8
Bulk modulus( GPa )	89.8
Tensile modulus( GPa )	98
Tensile modulus( GPa )	98
Hardness - Vickers( kgf mm⁻² )	85-100
Tensile strength( MPa )	350-390
Yield strength( MPa )	250-310

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	44@20@20°C
Superconductivity critical temperature( K )	0.61
Temperature coefficient( K⁻¹ )	0.0044@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	1.17

Physical Properties

Element	Value
Boiling point( C )	4377
Density( gcm⁻³ )	6.49@20°C

Thermal Properties

Element	Value
Melting point( C )	1852
Latent heat of evaporation( J g⁻¹ )	6360
Latent heat of fusion( J g⁻¹ )	211
Specific heat( J K⁻¹ kg⁻¹ )	281@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	22.7@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	5.9@0-100°C