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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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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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.
 

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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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.


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With something like a carbide-tipped saw blade, the main body of the blade is made of steel. The small tips of carbide are brazed on to the body. A good carbide tip might hold an edge ten to twenty times longer than a tool steel tip.

Carbide tips do get dull eventually. You sharpen them using the same techniques you would use with tool steel, but because they are so hard, you use a different abrasive. Something coated in diamond or a carbide abrasive wheel is common.


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Tungsten carbide (or more specifically tungsten carbide and titanium carbide) is a very common material on any sort of cutting tool: For example, saw blades, lathe bits, drill bits, router bits and dental drilling tips are generally made of carbide. Tungsten carbide is so popular in these sorts of tools because it stays sharper longer than most other materials. Additionally, some ball-point pens use carbide balls because it helps the pen last longer.


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In order to reduce the adoption of environmental hazardous materials in the military field, tungsten alloy related products are used as a nontoxic substitute for lead and depleted uranium in bullet and shot.

High-density metals such as tungsten alloy are now widely employed; the goal is to create functional, high density, non-toxic arms projectiles with controlled impact behavior.


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In the 21st centurt, we have entered the times of tungsten carbide rings. Tungsten carbide rings are so indestructible that only industrial diamond abrasives can be used to cut or engrave into this metal. It also has an extremely high melting point of 5,200 degrees Fahrenheit. Tungsten is generally used in industrial machinery and in tools that need to be extremely hard, resistant to scratches and damage, and be able to withstand high temperatures. It is because of all of the aforementioned properties that tungsten carbide rings are gaining popularity. A wedding band is supposed to stand the test of time, and a tungsten wedding band is the hardest metal ring on the market today. It will withstand decades of abuse and still be perfectly shiny and be scratch free. Some people fear that if a tungsten carbide ring needs to beremoved during an emergency, it would not be able to due to its hardness. This is not true as any jewelers saws can cut through any type ring, even tungsten carbide.


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Ganzhou Tungsten Industry Association announced the guiding price of 65%wolframite min at RMB133,000t USD330mtu, which increased by around RMB11,000t USD27.2mtu. 

China Minmetals Non-ferrous metal Co., Ltd announced the  65% wolframite prices are at RMB135,000t USD330mtu, and the offers for scheelite 65% at RMB134,000t USD327mtu in May. which unchanged compared with those of last month.

You can visit the following links for more information about  65% wolframite prices. Thank you very much!

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