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Chromium Bar

Chromium Bar is just one of our many high-grade metal products. It is available in a wide range of diameters and lengths to suit various engineering and manufacturing needs. Chromium has excellent corrosion resistance and hardness, making it ideal for applications requiring durability, strength, wear resistance and corrosion protection. Its exceptional range of properties see it used in valves, tooling, molds and machinery components. Thanks to our comprehensive choice of chromium bar sizes, scientists and engineers will find the optimal one to meet their specific project needs.
Technical Name: Chromium
Formula: Cr
Percentage Purity: 99.7%
Density: 7.19g/cm³
CAS Number: 7440-47-3
Side Length: 2mm
Side Length (Of Longer Side): 2mm
Length: 100mm
UOM Code: 994-548-98
SKU: 1000043056
Product Code: CR00-BR-000110

Tolerances

Bar
Side Length =<10mm ±10%
Side Length >10mm ±1mm
Side Length (Of Longer Side) >10mm ±1mm
Side Length (Of Longer Side) =<10mm ±10%
Length <100mm ±1mm
Length >=100mm +5% / -1%
No Minimum order Despatch of products in stock within 48 hours Free technical support *Free delivery worldwide
£284.91
each
  • Buy 5 for £230.77 each and save 19%
  • Buy 10 for £210.83 each and save 26%

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Tolerances

Bar
Side Length =<10mm ±10%
Side Length >10mm ±1mm
Side Length (Of Longer Side) >10mm ±1mm
Side Length (Of Longer Side) =<10mm ±10%
Length <100mm ±1mm
Length >=100mm +5% / -1%
Technical Data Sheet
Safety Data Sheet

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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 24
Crystal structure Body centred cubic
Electronic structure Ar 3d⁵ 4s¹
Valences shown 2, 3, 6
Atomic weight( amu ) 51.996
Thermal neutron absorption cross-section( Barns ) 3.1
Photo-electric work function( eV ) 4.4
Natural isotope distribution( Mass No./% ) 50/ 4.35
Natural isotope distribution( Mass No./% ) 52/ 83.79
Natural isotope distribution( Mass No./% ) 54/ 2.36
Natural isotope distribution( Mass No./% ) 53/ 9.5
Atomic radius - Goldschmidt( nm ) 0.128
Ionisation potential( No./eV ) 4/ 49.1
Ionisation potential( No./eV ) 3/ 31.0
Ionisation potential( No./eV ) 1/ 6.77
Ionisation potential( No./eV ) 6/ 90.6
Ionisation potential( No./eV ) 2/ 16.5
Ionisation potential( No./eV ) 5/ 69.3
Mechanical Properties
Element Value
Material condition Hard
Material condition Soft
Poisson's ratio 0.21
Poisson's ratio 0.21
Bulk modulus( GPa ) 160.2
Bulk modulus( GPa ) 160.2
Tensile modulus( GPa ) 279
Tensile modulus( GPa ) 279
Hardness - Vickers( kgf mm⁻² ) 130
Hardness - Vickers( kgf mm⁻² ) 220
Tensile strength( MPa ) 689
Tensile strength( MPa ) 103
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 13.2@20@20°C
Temperature coefficient( K⁻¹ ) 0.00214@0-100°C
Physical Properties
Element Value
Boiling point( C ) 2672
Density( gcm⁻³ ) 7.1@20°C
Thermal Properties
Element Value
Melting point( C ) 1857
Latent heat of evaporation( J g⁻¹ ) 6580
Latent heat of fusion( J g⁻¹ ) 260
Specific heat( J K⁻¹ kg⁻¹ ) 518@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 94@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 6.5@0-100°C