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Technical Data Sheet
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Cobalt Rod

Cobalt Rod is a high-purity, solid metallic form offering superior strength, corrosion resistance, and magnetic stability across a wide range of temperatures. Known for its exceptional wear resistance and ability to maintain mechanical and magnetic properties under extreme conditions, cobalt rod is used in aerospace, marine, energy, and medical industries. Its robustness makes it ideal for manufacturing high-performance components such as turbine engine parts, magnetic assemblies, and wear-resistant tools. In biomedical engineering, cobalt rods contribute to the fabrication of surgical implants due to their biocompatibility and resistance to bodily fluids. Technologies benefiting from cobalt rods include precision machining of aerospace hardware, permanent magnet systems, and specialized mechanical actuators for high-stress environments. Research continues into optimizing alloy composition, heat treatment, and surface modification to further enhance fatigue life, hardness, and corrosion behavior. The combination of structural resilience and functional versatility cements cobalt rod as a crucial material for cutting-edge industrial and scientific innovation.
Formula: Co
Percentage Purity: 99.9%
Diameter: 4mm
Length: 20mm
Temper: As Drawn
CAS Number: 7440-48-4
UOM Code: 764-601-38
Legacy Code: CO007907
Distributor Code:
GF76460138
SKU: 1000041030
Product Code: CO00-RD-000107

Tolerances

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

Health hazard/Hazardous to the ozone layer

Serious health hazard

Tolerances

Rod
Diameter =<10mm ±10%
Diameter >10mm ±5%
Technical Data Sheet
Safety Data Sheet
$388.00
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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 27
Crystal structure Hexagonal close packed
Electronic structure Ar 3d⁷ 4s²
Valences shown 2, 3
Atomic weight( amu ) 58.9332
Thermal neutron absorption cross-section( Barns ) 37.5
Photo-electric work function( eV ) 5
Atomic radius - Goldschmidt( nm ) 0.125
Ionisation potential( No./eV ) 2/ 17.06
Ionisation potential( No./eV ) 4/ 51.3
Ionisation potential( No./eV ) 3/ 33.5
Ionisation potential( No./eV ) 1/ 79.5
Ionisation potential( No./eV ) 1/ 79.5
Ionisation potential( No./eV ) 6/ 102
Mechanical Properties
Element Value
Material condition Hard
Material condition Soft
Poisson's ratio 0.32
Poisson's ratio 0.32
Bulk modulus( GPa ) 181.5
Bulk modulus( GPa ) 181.5
Tensile modulus( GPa ) 211
Tensile modulus( GPa ) 211
Hardness - Vickers( kgf mm⁻² ) 320
Hardness - Vickers( kgf mm⁻² ) 170
Tensile strength( MPa ) 1135
Tensile strength( MPa ) 760
Yield strength( MPa ) 345-485
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 6.34@20@20°C
Temperature coefficient( K⁻¹ ) 0.0066@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) -1.33
Physical Properties
Element Value
Boiling point( C ) 2870
Density( gcm⁻³ ) 8.9@20°C
Thermal Properties
Element Value
Melting point( C ) 1495
Latent heat of evaporation( J g⁻¹ ) 6490
Latent heat of fusion( J g⁻¹ ) 263
Specific heat( J K⁻¹ kg⁻¹ ) 456@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 100@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 12.5@0-100°C
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