Ferro Tungsten Price

Tungsten, a Rare Metal Which is of Great Importance for Industries

Details: Category: Tungsten Information; Published on Monday, 18 March 2013 13:50; Hits: 2390

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

Details: Category: Tungsten Information; Published on Friday, 15 March 2013 16:59; Hits: 2261

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.

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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.

Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
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Email: sales@chinatungsten.com
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Nano Tungsten Powder

Details: Category: Tungsten Information; Published on Friday, 15 March 2013 12:56; Hits: 2438

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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Tungsten Alloy Shielding Materials

Details: Category: Tungsten Information; Published on Friday, 15 March 2013 16:24; Hits: 2462

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.

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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.

Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
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The Performances And Characteristics of Cemented Carbide

Details: Category: Tungsten Information; Published on Friday, 15 March 2013 11:19; Hits: 2355

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.

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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.

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