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Tungsten Carbide/Cobalt Balls

Formula: WC 94/Co 6
Form: Ball/Sphere
Material: Tungsten Carbide/Cobalt
Commodity: Ceramics
Type: Precision Sphere
Sphericity: 0.625µm
Goodfellow offers a range of Tungsten Carbide/Cobalt Balls with 11 variations. Tungsten Carbide is an extremely hard ceramic material with excellent wear resistance, making it ideal for applications like ball bearings and tool tips. The cobalt binder allows the production of complex shapes through powder metallurgy techniques. Example applications of Tungsten Carbide/Cobalt Balls include ball bearings for machines operating under high loads and temperatures, abrasion resistant media for grinding and polishing, and tool tips for machining hard materials like ceramics or stone. With 18 quantitie variations, Goodfellow's tungsten carbide/cobalt balls accommodate diverse industrial needs.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Ball/Sphere
Diameter Standard ±5%
Diameter Precision See Item

Material Properties for Ceramics

Mechanical Properties
Element Value
Poisson's ratio 0.21-0.22
Tensile modulus( GPa ) 600
Hardness - Vickers( kgf mm⁻² ) 1550
Tensile strength( MPa ) 1440
Thermal Properties
Element Value
Upper continuous use temperature( C ) 600-630
Specific heat( J K⁻¹ kg⁻¹ ) 200-480@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 60-80@20°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 4.6-5@20-1000°C
Physical Properties
Element Value
Density( gcm⁻³ ) 14.95
Pultrusions
Element Value
Compressive strength( MPa ) 5300-7000
Electrical Properties
Element Value
Volume resistivity( Ohmcm ) 2x10⁻⁶@25

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