Due to its high density and high melting point, tungsten is as versatile as lead, if not more so. Tungsten can be used as a lead replacement for a variety of applications:

a)        Ammunition (tungsten shot)

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b)        Industrial (tungsten flywheels, tungsten cases, tungsten dies, tungsten rods, tungsten plates)

c)        tungsten Jewelry (tungsten rings, tungsten bracelets)

d)       Radiation Shielding (the protective mats radiologists use when taking your x-rays)

e)        Sport (tungsten darts, tungsten golf clubs, tungsten fishing weights and tungsten lures) 

f)         Stationery (the tungsten tips used in ballpoint pens)

g)        Weights (tungsten balance weights, tungsten wheel weights)

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Tungsten has the highest melting point of any pure metal at 6170°F (3410°C), while lead melted at 621.43 °F (327.46 °C), which make tungsten rod of value in a variety of high temperature products and processes. Among them are glass-to-metal seal parts and support parts for lighting and electronics, silicon rectifier stud mounts and high temperature furnace components.

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Tungsten comes in many alloys from a machinable alloy to a diamond-hard one. The alloy can be tailored to each specific application. The hardness and density of tungsten are applied in obtaining heavy metal alloys. A good example is high speed steel, which can contain as much as 18% tungsten. Tungsten's high melting point makes tungsten a good material for applications like rocket nozzles, for example in the UGM-27 Polaris submarine-launched ballistic missile. Superalloys containing tungsten are used in turbine blades and wear-resistant parts and coatings.

Tungsten Carbide is the choice to provide the best protection available for extreme wear and impact. It wears up to 100 times longer than steel in conditions including abrasion, erosion and galling. Wear resistance of tungsten carbide is better than that of wear-resistance tool steels. Wear resistance and heat resistance are just two of hundreds of suitable applications. It can offer wear life in excess of 5 times that of alumina ceramic and has ability for continuous operation a temperatures up to 900 degrees F (480 C). It can also be machined to very tight tolerances and to fine surface finishes as needed. WC is used to make wear-resistant abrasives and cutters and knives for drills, circular saws, milling and turning tools used by the metalworking, woodworking, mining, petroleum and construction industries and accounts for about 60% of current tungsten consumption. The jewelry industry makes rings of sintered tungsten carbide, tungsten carbide/metal composites, and also metallic tungsten. Because of tungsten carbide's hardness, rings made of this material are extremely abrasion resistant, and will hold a burnished finish longer than rings made of metallic tungsten. 

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Unlike lead, tungsten is not toxic, so it can be used in numerous applications.

Lead has already been phased out of kids’ toys, electronics, and electrical equipment because it interferes with a variety of body processes and is toxic to many organs and tissues including the heart, bones, intestines, kidneys, reproductive and nervous systems, therefore particularly toxic to children, causing potentially permanent learning and behavior disorders. New regulations for lead paint removal go into effect in April 2010. At some point all lead use will be phased out, so why not get a jump on finding environmentally-friendly lead alternatives, like tungsten?

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Lead has a density of about 11.34 g/cm3, but with tungsten, you can achieve densities of up to 19.25 g/cm3, almost two times the density of lead, comparable to that of uranium (18.9 g/cm3) and gold (19.30 g/cm3). 

Higher density means smaller parts for the same weight, so tungsten is widely used in many areas such high-performance engine in battle plane、armor piercing bullet 、 shrapnel pits、counterweight in racing car、fishing sinker、 sailing boat、radiation shielding and so on.

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Tungsten is one of the most environmentally friendly metals.

As it is known that environmentally friendly (also eco-friendly, nature friendly, and green) is a ambiguous term used to refer to goods and services, laws, guidelines and policies claimed to inflict reduced, minimal, or no harm at all, upon ecosystems or the environment. This term most commonly refers to products that contribute to green living or practices that help conserve resources like water and energy. Eco-friendly products also prevent contributions to air, water and land pollution.

Tungsten is much more environmentally friendly than lead. In fact, according to the U.S. Government's Priority List of Hazardous Substances, which is a list, in order of priority, of substances that are most commonly found at facilities on the National Priorities List (NPL) and which are determined to pose the most significant potential threat to human health due to their known or suspected toxicity and potential for human exposure at these NPL sites, lead is the second most hazardous substance…..more please visit the web http://www.chinatungsten.com/Tungsten/Material-Safety-Data-Sheet.html

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Tungsten Carbide is a special compound composed of Tungsten and Carbon. It is also called Cemented Carbide.

Tungsten Carbide is not only a kind of black crystal with metal gloss, but also has similar hardness close to diamond. Besides, it has good corrosion resistant performance. It is obvious that such advantages can help to produce or make Tungsten Jewelry with high quality and distinctive design. First of all, its hardness close to diamond makes Tungsten Jewelry so wear-resistant that it’s difficult to be scratched and distorted. In addition, due to its metal gloss, Tungsten Jewelry always stays shiny as if it were a mirror. What’s more, its good corrosion resistant performance can contribute to making it impossible to fade, discolor and resistant to rust.

However, there are some disadvantages existed in Tungsten Carbide. For example, the great brittleness it possesses itself makes it impossible for Tungsten Jewelry to be inlayed in precious stone because it is easy to be broken under the influence of its producing process. What’s worse, it is difficult to be processed because of its strong hardness so that it is scarcely possible to produce Tungsten Jewelry with various design and style.
 

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Tungsten carbide is a chemical compound formed by the union of tungsten and carbon.  Tungsten carbide has its applications widely in industries because of its own tungsten advantages including good corrosive resistance and high compressive strength (tungsten carbide's good performance at temperatures up to 800 degree). Of course, there are different kinds of  tungsten carbide products in many different fields, which mostly can be developed for use as  cutting tools, in machine tools applications, some used to produce jewelries. Besides, tungsten carbide has been also known for both its hardness and toughness, it's approximately three times stiffer than steel and much denser than steel or titanium. Therefore, thanks to its so long service life or its use  value, the more tungsten carbide products you possess, the more benefits you will save.

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Tungsten alloy can be applied in many areas such as military、aerospace、electricity、transportation、medical apparatus and instruments、sports equipment and so on due to its excellent performances. The most outstanding property of tungsten alloy is its high density, which is much higher than that of lead. That is the reason why it can be manufactured into high-performance engine in battleplane in aviation field、armor piercing bullet and shrapnel pits in military field、counterweight in racing car and sailing boat in transportation field、radiation shielding in medical field. Besides, tungsten alloy possesses high hardness、stable chemical property、no poison、good processability and other characters which ensure it's wide application.

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Raw tungsten ore market is weak and stable, generally the actual transaction, the delivery price is about 115,000; less tungsten Rail Enquiry single, vendors quotation gradually lowered, low to near 175,000; tungsten carbide powder market is relatively strong, individual high prices hard, the downstream alloy enterprises continued to wait and see.We expect the mainstream of the the tungsten market conditions in the short term to stabilize individual fluctuation.

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