Making the Tungsten Carbide Raw Material

Cemented Tungsten Carbide is an incredible material. It was originally developed for use as a cutting tool, in machine tools applications, where it still finds wide use today.

When a mixture of powdered tungsten metal and carbon powder are raised to a very high temperature by an arc of electricity, while the whole mass is held in a carbon crucible, there is a complete chemical combination of the two elements to form a big lump of tungsten carbide ( WC ). This lump is crushed several times and then milled to form a fine powder. The powder is screened down to uniform particle sizes.


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New Era of Tungsten Carbide as Cutting Material

In recent years, all kinds of new cutting tools that were launched by the manufacturer of cutters have caught people’s attention in hardware machine tool exhibition. In order to reach the goal and lay a foundation for long-term development of “twelfth five-year”, importance of hardware industries should be attached to product structure adjustment, diamond cutter innovation and industry restructuring.

Experts believed that tungsten carbide used as cutting materials would create a new era. Compared with the high speed steel, tungsten carbide performs better properties and owns higher cutting efficiency. It is an important guarantee to realize efficient process of modern cutting technology when it combined with super hard materials. Now, the proportion of tungsten carbide cutting tool in our country reaches 40%, far below the level of developed country, which has seriously restricted the improvement of cutter products? Better cutting materials, more solid foundation for the adjustment of cutting tools. Without better cutting materials, the reform of increasing proportion of cutting material would not be achieved. Therefore, tungsten carbide as cutting material would be catalyst for the reformation of cutting industries.


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C grades Classification of Tungsten Carbide

C-1 to C-4 are general grades for cast iron, non-ferrous and non-metallic materials
C-1       Roughing                      
C-2       General Purpose
C-3       Finishing
C-4       PrecisionSteel and steel alloys - these grades resist pitting and deformation
C-5       Roughing                      
C-6       General Purpose
C-7       Finishing
C-8       PrecisionWear Surface
C-9       No shock
C-10     Light shock
C-11     Heavy shockImpact
C-12     Light
C-13     Medium
C-14     heavyMiscellaneous
C-15     Light cut, hot flash weld removalC-15A  Heavy cut, hot flash weld removal
C-16     Rock bits
C-17     Cold header dies
C-18     Wear at elevated temperatures and/or resistance to chemical reactions
C-19     Radioactive shielding, counter balances and kinetic applications



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Tungsten Carbide Inserts

The inserts are sorted as clamped inserts, wood-cutting tools, milling & turning inserts, etc. Many inserts for mining tools are made of tungsten carbide. Mining and tunneling cutting tools are fitted with Cemented Carbide tips so it is called "Button Bits". Only man-made diamond may replace the Cemented Carbide buttons when conditions are ideal, but as rock drilling is a tough task. Tungsten carbide inserts remain the most used type throughout the world.
 

Read more: Tungsten Carbide Inserts

Tungsten Carbide Blade on Wise Geek

Trekking poles used by hikers, for instance, use carbide tips in order to gain traction on hard or rocky surfaces. Several common consumer goods contain tungsten carbide, including razor blades and the rotating tips of ballpoint pens. It has also become increasingly common for it to be used in men's wedding bands.

Moissan had set out to create diamonds, but his experiments led to the development of a porous, brittle version of modern tungsten-carbide. The Germans Karl Schroeter and Heinrich Baumhauef discovered that the material could be made stronger and more appropriate for industrial uses, such as cutting, with the addition of cobalt.



Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
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