Tungsten is a naturally occuring metal. Tungsten can be used either in pure form or mixed with other metals to make alloys.

Tungsten alloys tend to be strong, and resistant to heat and wear. Tungsten and its alloys are used in a variety of commercial products including loght bulb filaments, X-ray tubes, welding electrodes, grinding wheels and ceramic pigments.


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Tungsten, from the Swedish tung sten meaning ‘heavy stone'; chemical symbol W, was first isolated in 1783. The heavy alloys of this hard, dense metal should not be confused with tungsten carbide, as used in cutting tools. These alloys typically contain 90 - 97 wt%, hence deriving their fundamental properties from tungsten. As a result, WHAs are becoming the materials of choice for designers and engineers who require such properties as high density, good mechanical strength and ease of machining for use in radiation shielding and collimation and above all, counterweights and ballast.

Therefore, tungsten added with Ni, Fe, Cu is very suitable matreial for counterweights.


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Tungsten core strings came into existence partially because of the drawbacks of gut strings and as a concession to beginning students. Tungsten core strings are very stable in pitch, even when first installed. They also have a sound that is very different from gut strings. They all tend to have a sound that is simple, clear, direct, pure, and usually a bit hard with few overtones and no real complexity. Often they are bright and a bit thin sounding. This quality is not as pronounced in the cello where all metal strings are more standard. Non-classical players, especially country and folk fiddlers, as well as many jazz musicians often prefer steel strings. They also work well with small size, inexpensive student instruments.

In addition, most bass players use steel core strings. There have been some interesting changes in the construction of tungsten core strings and these changes have been of particular interest to cellists. These changes in technology have allowed manufacturers to produce tungsten core strings with more sophisticated sounds.


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Tungsten alloy crankshaft, sometimes casually abbreviated to crank, is the part of an engine which translates reciprocating linear piston motion into rotation.

The rods and bearings connects the piston to the crankshaft, when the piston moves up and down, the crankshaft is moved as describing a circle by the rods and bearings, then, the tungsten alloy crankshaft is rotating.

Nowadays, modern engine is often made from special metal alloys, and much lighter than earlier engines. So the powder and performance of a modern engine are increased. Also, material for crankshaft has been improved, and tungsten alloy is more and more increasingly used as the material for crankshaft.It is necessary to provide counterweights for the reciprocating mass of each piston and connecting rod to improve balance in engines, and these are typically cast as part of the crankshaft. Lead is cheap but the density is much lower than tungsten heavy alloy, and it is not environmental friendly, as for steel, tungsten heavy alloy are  more twice than the density of it, so compared with other materials, tungsten heavy alloy is certainly considered t as the most appropriate crankshaft material.

Other tungsten alloy crankshaft properties:
1, Small volume but high density. xEOL .
2, Excellent hardness. xEOL .
3, Superior wearing resistance. xEOL .
4, Good corrosion resistance. xEOL .
5, Wonderful Shock resistance. xEOL .
6, High {melting point | freezing point}. xEOL .
7, High temperature resistance. xEOL .
8, Environmental friendly.



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Tungsten alloy brick has the good properties of high density with small volume, perfect hardness, good corrosion resistance, non-toxic and environmentally friendly, so it is widely used as tanker counterweight because of the former properties.

Usually, tungsten alloy brick also could be manufactured as the parts of military defense, extrusion die, and counterweights for tank.


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Tungsten plastic is similar with tungsten poly, which combines tungsten and plastic. So tungsten plastic has the good properties of tungsten (high density, small volume, high temperature resistance, high radiation resistance, good tensible strength) and poly (low cost, good corrosion resistance, easily to be machined into different shapes of products).

As these properties, tungsten plastic is widely used as radiation shielding as well as counterweight in many fields.


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Poly tungsten also named tungsten poly which combines poly and tungsten powder, so poly tungsten has the good properties of tungsten and poly that is: high radiation resistance, high density with small volume, high temperature resistance, low cost and easily to be machined into different types of products, lead free and environmentally friendly.

As these good advantages, poly tungsten is the best material to make radiation shielding which is widely used in many areas especially in medical field. Chinatungsten is a professional manufacturer and supplier of poly tungsten who can provide all kinds of poly tungsten products according to your requirements.


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Tungsten and tungsten heavy alloy in metallic form and tungsten compounds are used in various forms of tungsten heavy alloy radiation shielding. Their high densities meet the primary requirement of a tungsten heavy alloy radiation shielding material and in certain tungsten radiation shielding application, tungsten's high atomic number is also important. The ease with which tungsten can be worked is of added value.

The tungsten heavy alloy radiation shielding of containers for radioactive materials is usually metallic tungsten. Radioactive materials in laboratories and hospitals are usually handled by remote control from a position of safety behind a wall of tungsten bricks and X-ray machines are normally installed in rooms lined with sheet tungsten.


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Compared to traditional radiation shielding materials such as lead and boron carbide, tungsten funnel shielding provides excellent density with small capacity. At the same weights high density alloy can provide the same energy absorption as lead using 1/3 less material.

During design of tungsten funnel shielding, tungsten funnel shielding is calculated according to requirements of shield to abate the multiple shielding materials' thickness.



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Tungsten metal is a grayish-white lustrous metal that is often brittle and hard to work. Of all metals in pure form, tungsten has highest melting point of all elements except carbon - vary between 3387°C and 3422°C. It also has good thermal and electrical conductivity. Its electrical conductivity at 0°C is about 28% of that of silver which itself has the highest conductivity of all metals. In addition, it has low vapor pressure at high temperatures.

Such properties make tungsten metal a high performance material in high temperature products and processes. Tungsten metal powder is used as a filler material in plastic composites, which are used as a nontoxic substitute for lead in bullets, shot, and radiation shields.



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