Detect If Tungsten Carbide Contains Cobalt

1. Locate the packaging for all tools that use hardened metal tips such as end-mills, drill bits, cutters and saw blades.

2. Read the labels on the packaging. If the packaging indicates the tips of these tools are hardened carbide, they have cobalt mixed in with the alloy. As you use these tools, they wear down and create dust contaminated with cobalt.

3. Locate the packaging for any tungsten carbide raw materials. All raw materials have a "material safety data sheet." The MSDS must indicate all of the ingredients used in the manufacturer of the raw materials. If the carbide has cobalt in it, it is listed on the MSDS.


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Tungsten Alloy Cube as Counterweights in Military

Tungsten alloys generally have two-phase composites consisting of W-Ni- Fe or W-Ni-Cu or even W-Ni-Cu-Fe, some tungsten alloy is added Co、Mo、Cr, etc . Tungsten content in conventional heavy alloys varies from 85 to 97 weight percent and is the reason for their high density, the density between 16.5 and 18.5 g/cc. It could be made as various shapes, such as rod, ball, cylinder, brick, ring, etc.

As tungsten alloy cubes are high density with small capacity, high temperature resistance, high impact resistance and crack resistance, wonderful shock resistance, good corrosion resistance, High absorption capacity against X-rays and gamma rays, Good modulus of elasticity, High hardness, etc.

Tungsten alloy cubes is in small volume with high density, which means it could be used in military field, such as penetrating projectiles, counterweights for military defense, projectiles in the missile weapons, armor piercing ammunition, prefabricated fragments.



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Tungsten Heavy Alloy Powder

Tungsten heavy alloys offer a unique combination of properties like high density, high stiffness and good machining properties. This class of alloys is a cost effective way to combine these attributes for your application. Some of tungsten heavy alloys offer very high strength in combination with good ductility.

Some properties of tungsten heavy alloys:
    high density (15.5 to 18.5 g/cc)
    high stiffness (Young’s Modulus <= 400 GPa)
    high strength (<= 1700 GPa)

Typical applications for tungsten heavy alloys include:
    good machining properties
    radiation shielding/collimation (gamma and x-ray) in medical and     nuclear equipment
    balancing weights in aerospace and automotive industry
    precision tools for machining



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Tungsten Alloy for Radiosiotope Handling in Nuclear Research

Nuclear research establishments use nuclear reactors or cyclotrons to study or create radioactive materials. Tungsten alloy is used in research activities as collimators (devices which guide or focus beams of radiation) or containers for radioactive isotopes. Tungsten alloy is ideal for shielding against both X- and Gamma radiation. The very high density of tungsten shielding (more than 60% denser than lead) allows a reduction in the physical size of shielding components, without compromising the effectiveness of the shielding characteristics.

Tungsten spheres are used with remote handling tongs to process radioactive materials inside hot cells. The spherical joints allow the tongs to be manipulated through the lead walls of the hot cell. When high levels of radioactivity are involved, tungsten alloy is the ideal material to protect operators from radiation.



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Tungsten Alloy for Efficient Radiation Protection

Whether in the world of medical or industrial X-ray technology, radiotherapy or nuclear power stations: Wherever high-energy radiation is used, it is vital to protect people against it.

The denser the material, the better able it is to protect from radiation. That is why heavy elements absorb X-rays and gamma radiation particularly well. Lead is still the most frequently used shielding material.But lead is a toxic material that is harmful to the environment and humans. The onerous recycling process makes lead expensive despite the low initial procurement costs.

The density of tungsten is 60 percent higher than that of lead. That is why even thinner layers of tungsten alloy are able to provide reliable shielding against radiation. The tungsten alloy is particularly suitable as a shielding material. It consists of tungsten and a small proportion of nickel-iron. Like tungsten, the material has excellent shielding properties. However, it is also considerably more ductile than tungsten and can therefore be machined better.



Tungsten Manufacturer & Supplier: Chinatungsten Online - http://www.chinatungsten.com
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