Tungsten alloy fishing sinkers are large proportion (> 18g/cc), small size. They are against strong wind, light into the water, sinking fast, and are the best alternative to lead sinkers. The fishing sinkers are best-selling in Europe, the United States and other developed countries.

Advantages of tungsten alloy fishing sinkers:
1. Small volume
High density make tungsten alloy fishing sinkers/weights smaller than the conventional lead fishing weights. It will be hung up far less with a tungsten sinker than with a lead sinker because of its smaller size.

2. Hard
It's harder than lead fishing weight. It will not be stuck in the jowl of the fish. So the shape will be maintained longer.

3. Strong wind resistance
As the high density of tungsten, the tungsten alloy fishing sinker makes your fishing easier. It is extremely sensitive and can actually help you “feel” what the bottom is made of and what your bait is bumping into, such as brush, rocks, mud, etc.Tungsten fishing weights/eyes are an ideal, environment-friendly alternative to lead weights, which are toxic and increasingly being labeled an environmental hazard.


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Fish shape tungsten alloy jigs, the most technologically advanced weight available today, are standard in the industry and have been worked into almost every famous pattern available on the market.

Fish shape tungsten alloy jigs provide a more environmentally friendly alternative to lead. Comprised of tungsten, the second hardest substance next to diamonds, fish shape tungsten alloy jigs do not add pollutants to water. Fish shape tungsten alloy jigs are 25 percent smaller, much more sensitive and emit twice the sound of lead, they pick up bottom compositions much better than lead or brass weights, their sensitivity gives you the ability to better define under water structure.

Fish shape tungsten alloy jigs with shape of fish are used not only to provoke the big fish to bite, but also to force the fly to sink the bottom because of the tungsten material which is about three times heavier than lead.


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Tungsten nuclear radiation shielding can be broadly classified into three categories. These three categories are labeled with the first three letters of the Greek alphabet: α(alpha), β (beta) and γ (gamma). Alpha radiation consists of a stream of fast-moving helium nuclei (two protons and two neutrons). As such, an alpha particle is relatively heavy and carries two positive electrical charges. Beta radiation consists of fast-moving electrons or positron (an antimatter electron). A beta particle is much lighter than an alpha, and carries one unit of charge. Gamma radiation consists of photons, which are without mass and carry no charge. X-rays are also photons, but carry less energy than gammas. Some materials absorb beta rays. You can measure this absorption by fixing beta source and a radiation monitor so their positions do not change.

Tungsten heavy alloy has high absorption rate on X rays and gamma rays. Tungsten is 60% better than lead in shielding against X rays and gamma radiation therefore; it can be significantly reduced in size.

Tungsten nuclear radiation shielding also has another characteristic, very high melting point. By this, tungsten alloy nuclear radiation shielding can be used in high temperature which can not be used with lead, for example nuclear scrap container.

Due to its unique characteristics, people use tungsten alloy nuclear radiation shielding in medicine, tungsten nuclear radiation shielding, such as collimator, tungsten alloy nuclear radiation shielding, beamline, PET syringe shield, vial shield, tungsten alloy nuclear radiation shielding is used to protect workers from the radioactive sources of the scanner used in security and aerodrome, coach stop, etc. Tungsten alloy nuclear radiation shielding is also used in the equipment of industrial radiography, pipe-line inspection (collimator or tungsten nuclear radiation shielding).

The properties of tungsten alloy:
As is known to all, tungsten alloy has so many advantages, such as high density, small volume, excellent hardness, superior wearing resistance, high ultimate tensile strength, high ductility, high temperature resistance, high radiation adsorption capability, etc. so most of the components in computers are used tungsten alloy as the material.

The advantages of tungsten alloy used in computer:
Tungsten alloy in computer used the property of high radiation of the tungsten alloy. The computers are widely used in our lives, we can not survive without computers. The radiation from the computers is very harmful to our body. Tungsten alloys is a best choices for radiation shielding applications, especially in computers. Compared to traditional radiation shielding materials, tungsten alloys radiation shield provide excellent value.

A high-density alloy can provide the same energy absorption as lead using 1/3 less material. People are taking advantage of tungsten alloy’s reliable radiation shielding properties to make screen of the computers, in this way, our eyes can not be so tired when using computers for a long time and it is also good to our health. Tungsten alloy radiation shield give you best protection from the harmful radiation. Meet to the AMS 21014 and ASTM B777 material standard, we can offer tungsten alloy radiation shields with finished machining by CNC according to clients drawings. Compared to traditional radiation shielding materials such as lead and boron carbide, tungsten alloys provide excellent density with small capacity. Tungsten alloy material could be made with thinner thickness but high absorption of radiation in high density. That is why most manufactures choose tungsten alloy as the material for computers.

High temperature resistance is another advantage to use tungsten alloy in computer. After a long time using of computer, it produce a lot of heat, which is result in the slow of speed, tungsten alloy can resistant the problems.


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Lead's popularity is mainly due to its outstanding physical properties: high density, ease of casting and fabrication, and malleability.

Tungsten is a much suitable material for lead replacement applications. It has an even higher density than lead. However, due to its extremely high melting temperature, molding tungsten into a shape is complex and costly. Still, tungsten can be formed into solids through a process called sintering. This is where tungsten and other metal powders are pressed into shape and bound in a special furnace.

Another approach to using tungsten powder as a lead replacement is currently used by many companies that manufacture non-toxic thermoplastic composite materials. These materials are mostly used for injection molding processes contain a variety of polymers and fillers.


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Many people think tungsten and titanium are very similar metals, but in reality they are actually very different.  If you were to hold a tungsten ring and a titanium ring in your hands, the first thing you would notice is the weight.  Titanium ring is very light weight.  It feels as if the ring were made of plastic, many people do not believe they are holding a metal object.  Tungsten, on the other hand, is a very dense metal.  It feels as if you are holding a gold ring.  Many people prefer the weight and heft of tungsten ring because they feel that their wedding ring should be something strong and heavy feeling.  

After all, one of the reasons people cherish platinum is because it also has a heavy weight.  A difference between the metals that is not noticeable immediately is that tungsten is very hard, so it is very difficult for a tungsten ring to get scratched.  In fact it is the hardest metal on earth, only non-metals such as diamonds are harder than tungsten.  Titanium is about 4 times less hard than tungsten.  It is quite easy to scratch a titanium ring.  One drawback of tungsten being so hard, is the metal does not bend.  If enough force is applied the ring can crack or break, whereas titanium ring will bend out of shape.


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Drivers consistently report they can sense differences in how a car handles on the track if the weight on a given wheel varies only by a couple of pounds. Fine tuning a car to a given track is a very cumbersome and time consuming ordeal with conventional lead plate weights. WHA balance weight offers up to 50% more weight in a given volume, with the added advantages of direct attachment via threaded holes or thru-bolting and the freedom from deformation. The high density of WHAs permit weights to be placed in the lower half of NASCAR weight adjustment tubes, effectively lowering the overall center of gravity for improved handling. Tungsten product has a specialized line of racing weights for these applications.
 
Tungsten heavy alloy (WHA) balance weight of racing car is now becoming the most popular material for ballast, due to its main advantages as follows:

Highest density
Adding WHA balance weight into the whole framework of a racing car is helpful to optimize the performance of the racing car during the racing progress, which contributes to the better control of the car's movement.

High tensile strength and good creep resistance
Tungsten has high tensile strength and good creep resistance with a high mass/size ratio, so it will be the ideal to work in a restricted space. Its high density also gives enhanced sensitivity by increasing the control of load distribution.

Machined Easily
WHA is also easily machineable which gives designers greater flexibility in deciding on the final shape of components and offer designers several advantages over conventional balance materials e.g. lead or steel.


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Tungsten alloy fishing weights are an ideal, environment-friendly alternative to lead weights, which are toxic and increasingly being labeled an environmental hazard. Tungsten alloy fishing weights are harder than steel and extremely dense, tungsten being on average 30 percent smaller than its lead counterpart. Tungsten alloy fishng weights are smaller than conventional weights, create twice the sound of lead weights and maintain their shape for longer. Tungsten is also used in the production of other fishing applications, such as tungsten-carbide line cutters and tungsten powder coating for fishing lines.
 
A fishing weight is a weight used to force a lure or bait to increase its rate of sink, anchoring ability, and/or casting distance. Fishing weights may be as small as 1/32 of an ounce for applications in shallow water, even smaller for fly fishing applications, or as large as several pounds or considerably more for deep sea fishing. They are formed into nearly innumerable shapes for diverse fishing applications. Environmental concerns surround the usage of most fishing sinker materials.

A jig is a type of fishing lure that usually consisting of a lead sinker with a hook molded into it and usually covered by a soft body to attract fish. However, recently, tungsten alloy fishing weights is becoming more and more popular among angles because it has the features of high density, small volume, and environmental friendly, and has been taking place of the lead sinker. Jigs are intended to create a jerky, vertical motion, as opposed to spinnerbaits which move through the water horizontally. The jig is very versatile and can be used in both salt water as well as fresh water. Many species are attracted to the lure which has made it popular amongst anglers for years.
 
The fishing weight is made by rare metal - Tungsten, it is an ideal substitute of the lead fishing sinker. It's strong adhesive, semi-solid state, soft for a long term. Tungsten Heavy Alloys concentrate maximum weight in the smallest possible space. They are more often to be used as counterweight in sporting field, such as fishing sinkers, golf weights, etc.
 
Advantages for tungsten alloy fishing weights
 *Small body
*High density
*Nuisance free
*Strong wind resistance
*International environment protection standard


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Refractory metal is generally a kind of metal whose melting point is higher than 1650℃ and has definite reserves. The metals whose melting point is higher than Zr (1852℃) are also called as refractory metal. Refractory metal material is a kind of alloys which is based on refractory metal as matrix and adds with other metal elements. 3D printing technology is a kind of techniques which is based on files of mathematical model, utilizing refractory metal material and manufacturing substance by printing layer by layer. 3D printer appeared at the mid-term of 1990’s. It is a kind of rapid prototyping devices by using light-cure and paper stacking up. The operational principle is similar to general printer. There is refractory metal powder in 3D printer. When connecting with computer, the printer superimposes refractory metal material layer by layer, being controlled by computer. Lastly, the blueprint in computer will be change into material object. At present, 3D printing technology has been widely adopted in aviation industry for manufacturing main bearing components of fighter. The most outstanding advantage of 3D printing technology is that graphic data of computer can produce any shapes components directly, without machine work or moulds, so that can reduce lead time of product, improve productivity and lower cost.

3D printing technology can not only be used for manufacturing plastic gun. At present, 3D printing technology has been widely used in developing and manufacturing of weapons around the world. Advanced 3D printing technology can not only sinter or fuse plastic, wax and sand, it can also sinter refractory metal directly. In traditional manufacturing process of fighter, it needs long-term investment for manufacturing hydraulic forming equipment after finishing design of fighter 3D model. The processes of shaping and application of components have been improved largely while using 3D printing technology. The main bearing components, being made by refractory metal material and manufactured by 3D printing technology has been widely used for J-15, the first Chinese carrier aircraft, including the whole former landing chassis. It is said that the refractory metal material which is manufactured by 3D printing technology will be also used for J-20 and J-31, the fifth generation fighter.

3D printing technology can be also used for maintenance and guarantee of weapons in the battlefield directly. At present, the U.S. army has already deployed mobile laboratory in Afghanistan. The U.S. Army is also speeding up the combat deployment of 3D printing technology, so that can improve the maintenance ability of weapons and enhance persistent combat effectiveness during wartime. The damaged components can be printed by using 3D printing technology timely and assembled by maintenance personnel so that weapons can join in battle again.


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Owing to its high density of shielding, tungsten heavy alloys is quite ideal for medical radiation shielding of which including Magnetic Resonance Imaging(MRI),Intensity Modulated Radiation Treatment(IMRT ),Positron Emission Tomography (PET), collimator, isotope container, and so on. 

Tungsten heavy alloys for medical radiation shielding set forth below: