Cutting tools for machining
Sintered tungsten carbide cutting tools are very abrasion resistant and can also withstand higher temperatures than standard high speed steel tools. Carbide cutting surfaces are often used for machining through materials such as carbon steel or stainless steel, as well as in situations where other tools would wear away, such as high-quantity production runs. Because carbide tools maintain a sharp cutting edge better than other tools, they generally produce a better finish on parts, and their temperature resistance allows faster machining. The material is usually called cemented carbide, hardmetal or tungsten-carbide cobalt: it is a metal matrix composite where tungsten carbide particles are the aggregate and metallic cobalt serves as the matrix. Manufacturers use tungsten carbide as the main material in some high-speed drill bits, as it can resist high temperatures and is extremely hard.

Sports
Hard carbides, especially tungsten carbide, are used by athletes, generally on poles that strike hard surfaces. Trekking poles, used by many hikers for balance and to reduce pressure on leg joints, generally use carbide tips in order to gain traction when placed on hard surfaces (like rock); carbide tips last much longer than other types of tip.

While ski pole tips are generally not made of carbide, since they do not need to be especially hard even to break through layers of ice, rollerski tips usually are. Roller skiing emulates cross country skiing and is used by many skiers to train during warm weather months.

Sharpened carbide tipped spikes (known as studs) can be inserted into the drive tracks of snowmobiles. These studs enhance traction on icy surfaces. Longer v-shaped segments fit into grooved rods called wear rods under each snowmobile ski. The relatively sharp carbide edges enhance steering on harder icy surfaces. The carbide tips and segments reduce wear encountered when the snowmobile must cross roads and other abrasive surfaces.

Some tire manufacturers offer bicycle tires with tungsten carbide studs for better traction on ice. These are generally preferred to steel studs because of their superior resistance to wear.

Tungsten carbide may be used in farriery, the shoeing of horses, to improve traction on slippery surfaces such as roads or ice. Carbide-tipped hoof nails may be used to attach the shoes,or alternatively borium, tungsten carbide in a matrix of softer metal, may be welded to small areas of the underside of the shoe before fitting.
Surgical instruments

It is also used for making surgical instruments meant for open surgery (scissors, forceps, hemostats, blade-handles, etc.) and laparoscopic surgery (graspers, scissors/cutter, needle holder, cautery, etc.). They are much costlier than their stainless-steel counterparts and require delicate handling, but give better performance.

Jewelry
Tungsten carbide, typically in the form of a cemented carbide (carbide particles held together by a metal), has become a popular material in the bridal jewelry industry due to its extreme hardness and high resistance to scratching. This extreme hardness also means that it can be shattered under certain circumstances.Tungsten carbide is roughly 10 times harder than 18k gold (gold being the traditional material of wedding bands). In addition to its design and high polish, part of its attraction to consumers is its technical nature.\

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Stable and weak domestic tungsten market conditions, the tungsten ore market supply and demand sides psychological Spread, the APT business confidence, optimism turned cautious on the market outlook, attitude, poor end demand for tungsten products and deep processing market, remained smooth watching of potential. We expect the tungsten market, the maintenance of stability in the short term the main price changes in a narrower range.
 

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Many jewelers would like to dissuade you from considering a tungsten carbide ring, because they are not educated on them (or just don't sell them!). Here are a few of the myths we hear regularly and the truths about tungsten carbide rings that make them an excellent option as you shop for a ring!
                   
Myth
Tungsten carbide rings cannot be removed in the event of an accident, and may cause your finger to be amputated.

Fact
Actually, if you're in an accident, a tungsten carbide ring is one of the safest rings to have on your hand! Because tungsten carbide rings are so dense, it is nearly impossible for them to deform or injure your finger in an accident. Wearing a tungsten carbide ring may even protect you. Rings made of silver, gold or even platinum may deform, becoming harder to get off or embedding in flesh. Hospitals have a number of ways to remove a tungsten carbide ring (depending on the accident) – none of which require amputation. Here's a video of a device American Concepts & Technologies manufactured and will soon be readily available.

The durability and near-indestructability of tungsten carbide bands is why we say that if Superman were getting married, he'd want a Tungsten Pride wedding band.

Myth
Tungsten carbide rings should not contain nickel.

Fact
In truth, tungsten carbide wedding rings are not made from pure tungsten. Pure tungsten in its natural form is an ore, and does not polish up to the shine that people love about tungsten carbide rings. Makers of tungsten carbide rings need to combine tungsten ore in a powder form with various binders and sinter it all together at very high temperatures in order to achieve the desired result – a beautiful, polished and nearly indestructible tungsten carbide ring.

A nickel binder is the preferred formulation for tungsten carbide rings, as many other binders can cause your ring to discolor with wear. Many inexpensive rings use one of these lesser binders, and aren't pleasant to wear or look at!

Myth
Tungsten rings are only for men.

Fact
This couldn't be further from the truth! The same qualities that make tungsten carbide rings so great for men make them great for women as well. The strength and beauty of tungsten carbide matches well to a woman's own strength and beauty.

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Tungsten is a hard, rare metal of critical and strategic importance. The British Geological Surveyranks tungsten among the scarcest elements on earth-rarer even than rare earths. The US Department of Energy also considers tungsten a critical material. The European Commissionidentified tungsten as the second most critical material in terms of economic importance vs. supply risk. The metal's unique properties make it essential to the manufacture of everything from drill bits to cruise missiles and there are no known substitutes.
China currently dominates the supply of tungsten and is expected to do so for the next decade. However, the Chinese government has adopted restrictive policies including implementing quota systems, increasing tax rates and pushing for industry consolidation, etc. to reorganize its tungsten industry, the same as in its rare earth industry. Chinese primary tungsten production will be curbed to half its historical growth rate going forward. Further, very few tungsten mines outside of China are expected to be in production, or close to beginning production, during the next few years.
Rising demand for tungsten coupled with dwindling supplies is keeping prices high. As a result,tungsten presents a unique situation with many opportunities for producers, fabricators and investors.

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The advantages of Gamma tungsten shielding material:
It's density is very high, the reduction in the physical dimensions of the shield assembly does not affect the validity of their rigid or shielding characteristics. Compared with traditional radiation shielding materials, gamma tungsten shielding material provides excellent value.


The high-density tungsten alloy can provide the same energy absorption of lead use 1/3 less material! Unlike lead, you can also reduce the cost of management,  it is not necessary to have a sepical permission. Tungsten alloy radiation shielding material can be widely used by reliable customers around the world.

 

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Tungsten: tungsten and various metal alloys and tungsten compounds are often used in various forms of radiation shielders. Its high density meets the  main requirements of shielding material, and is used for the shielders.The high atomic number of the tungsten is also very important. 


The tungsten can be easily processed, it is the added value.the shielding container of radioactive material is usually made ​​of metal tungsten. Radioactive material  usually by remote control in laboratories and hospitals,  it is usually installed  in the safest position of the room lined plate tungsten bricks and X-ray machine.

 

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Nano tungsten powder is fine particles of tungsten powder to the nano-level powder. The preparation of nano tungsten powder uses the nanotechnology.

What is the nanotechnology? Nanotechnology actually is the technology for a single atomic, molecular manufacturing.

There are three concepts about nanotechnology: The first is an American scientist Dr. Drexler pointed out the molecular nanotechnology in 1986. Under this concept, the combination molecules machines for practical use, and thus can combine all kinds of molecules,  and can turn out any kind of the molecular structure. This concept of nanotechnology does not make ​​significant progresses.

The second concept of nanotechnology is positioned as the limit of the micro-machining technology. That is, the "processing" of nanometer precision to manually form the structure of the technical of the nano-size. Even if the existing technology continues developing, it will eventually reach the limit. This is because, if the line width of the circuit is smaller, the enable circuit is constituted of an insulating film is extremely thin, so that  can destruct the insulation effect. In addition, there are issues such as fever and shaking. In order to solve these problems, researchers are studying a new type of nanotechnology.

A third concept is from the biological point of view. Originally, there nanoscale structure in biological cells and biofilms.
 

The nanotechnology, is to study the law of motion of electrons, atoms and molecules and characteristics of a new technology in a scale of 0.1 to 100 nm. Scientists find dozens of the number of atoms or molecules in the process of studying the material constitutions. Taking advantage of these features of manufacturing technology to make specific function devices ,this technology is known as nanotechnology.

 

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The hardness of cemented carbide is high  (86 ~ 93HRA, equivalent to 69 ~ 81HRC).And it has the advantages of  hot hardness and good wearing resistance,which the hot hardness isup to 900 to 1000 ℃, keep 60HRC.

The cutting speed of cemented carbide  tool is 4 to 7 times higher than high-speed steel and the life of  tool is 5 to 80 times higher than high-speed steel.


But the frangibility of  cemented carbide  is good, it can not be cutted and processed. It is difficult to form the complex shapes of the tools.As a result, it is often used in the production of different shapes of the blades.It can use these methods such as welding, bonding, mechanical clamping to mount on the blade bodies and the molds.

 

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The selection of carbide grade on the cemented carbide blade material is based on different addresses and different functions of the cemented carbide blade.

Cemented carbide blades have the characteristics of  high precision and high wear resistance and  has been widely used. According to the different uses of the product, cemented carbide blades can be divided into the wood cutting tools, clamping blade, milling and turning blades.

Cemented carbide  is made by the chemical vapor deposition (CVD) method,which coats TiC or TiN, HfN, Al2O3, and other wear-resistant on the surface of the carbide alloy inserts,so that the carbide alloy coating is formed. This is an important progress of modern cemented carbide  researches. The Sidek Krupp and the Swedish Sandvik company had developed TiC coated carbide inserts and put it into the market for the first time in 1969. After 1970, the United States, Japan and other countries were beginning to produce this  kind of blade. For more than thirty years, the coating technology has made great progress. Coated carbide blade has been developed from the first generation, the second generation to the third generation, fourth generation products.

                  
The advantages of cemented carbide coating:
1) coated cemented carbide  can  use the high cutting speed, thereby improving the processing efficiency;

2) since the smaller coefficient of friction between the coating material and the  processing material ,compared with uncoated blades, the cutting force of the coating blade has a certain decrease;

3) when the processing of the coating blade, the quality of processed surface  is excellent;

4) due to the good overall performance, coated blades have good versatilities. One coating grades of the blade can be widely used.

 

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