Synopsis
Minerals include metal and non-metallic. Shanghai Zenith mining and construction machinery company is a professional crushers manufacturer for kinds of minerals. The crushing and grinding plants are for hot sale in all the world ...
List
- A- B
- Alunite Crusher
- Amphibolite Crusher
- Architectural Crusher
- Artificial Crusher
- Asbestos Crusher
- Ballast Crusher
- Baryte Crusher
- Basalt Crusher
- Bauxite Crusher
- Bentonite Grinder
- Boron Crusher
- Brick Crusher
- C - F
- Cadmium Crusher
- Calcite Crusher
- Calcium Crusher
- Cement Crusher
- Chalk Crusher
- Chromium Crusher
- Cinder Crusher
- Coal Crusher
- Coal Mill
- Coalgangue Crusher
- Cobble Crusher
- Coke Crusher
- Copper Crusher
- Diatomaceous Crusher
- Dolomite Crusher
- Feldspar Crusher
- Fine Crusher
- Fireproof Crusher
- Fluorite Crusher
- Flyash Grinder
- G - N
- Garnet Crusher
- Glass Crusher
- Gold Crusher
- Granite Crusher
- Graphite Crusher
- Gypsum Crusher
- Hematite Crusher
- Iodine Crusher
- Iron Crusher
- Kaolin Crusher
- Lead Crusher
- Lignite Crusher
- Limestone Crusher
- Limonite Crusher
- Lithium Crusher
- Magnetite Crusher
- Manganese Crusher
- Marble Crusher
- Medical Crusher
- Mica Crusher
- Mirror Crusher
- Molybdenum Crusher
- Nickel Crusher
- O - Z
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TUNGSTEN CRUSHER
Tungsten , also known as wolfram is a chemical element with the chemical symbol W and atomic number 74.
A steel-gray metal under standard conditions when uncombined, tungsten is found naturally on Earth only combined in chemical compounds. Its important ores include wolframite and scheelite. The free element is remarkable for its robust physical properties, especially the fact that it has the highest melting point of all the non-alloyed metals and the second highest of all the elements after carbon. Also remarkable is its very high density of 19.3 times that of water. This density is slightly more than that of uranium and 71% more than that of lead. Tungsten with minor amounts of impurities is often brittle and hard, making it difficult to work. However, very pure tungsten is more ductile, and can be cut with a hacksaw.
The unalloyed elemental form is used mainly in electrical applications. Tungsten's many alloys have numerous applications, most notably in incandescent light bulb filaments, X-ray tubes (as both the filament and target), and superalloys. Tungsten's hardness and high density give it military applications in penetrating projectiles. Tungsten compounds are most often used industrially as catalysts. Tungsten is the only metal from the third transition series that is known to occur in biomolecules, and is the heaviest element known to be used by living organisms.
Applications
Approximately half of the tungsten is consumed for the production of hard materials (tungsten carbide), with the remaining major use being its use in alloys and steels. Less than 10% is used in chemical compounds. Hard materials
Tungsten is mainly used in the production of hard materials based on tungsten carbide, one of the hardest carbides, with a melting point of 2770 °C for. WC is an efficient electrical conductor, but W2C is less so. 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.
Alloys
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, such as Hastelloy and Stellite, are used in turbine blades and wear-resistant parts and coatings.
In armaments, tungsten, usually alloyed with nickel and iron or cobalt to form heavy alloys, is used in kinetic energy penetrators as an alternative to depleted uranium, in applications where uranium's additional pyrophoric properties are not required (for example, in ordinary small arms bullets designed to penetrate body armor). Similarly, tungsten alloys have also been used in cannon shells, grenades and missiles, to create supersonic shrapnel.
Chemical applications
tungsten disulfide is a high temperature lubricants and is a component of catalysts for hydrodesulfurization. MoS2 is more commonly used for such applications.
Tungsten oxides are used in ceramic glazes and calcium/magnesium tungstates are used widely in fluorescent lighting. Crystal tungstates are used as scintillation detectors in nuclear physics and nuclear medicine. Other salts that contain tungsten are used in the chemical and tanning industries.
Niche uses
Applications requiring its high density include heat sinks, weights, counterweights, ballast keels for yachts, tail ballast for commercial aircraft, and as ballast in race cars for NASCAR and Formula One. It is an ideal material to use as a dolly for riveting, where the mass necessary for good results can be achieved in a compact bar. High-density alloys of tungsten with nickel, copper or iron are used in high-quality darts (to allow for a smaller diameter and thus tighter groupings) or for fishing lures (tungsten beads allow the fly to sink rapidly). Some types of strings for musical instruments are wound with tungsten wires.
Its density, similar to that of gold, allows tungsten to be used in jewelry as an alternative to gold or platinum. Its hardness makes it ideal for rings that will resist scratching, are hypoallergenic, and will not need polishing, which is especially useful in designs with a brushed finish.
Crushing Plant & Portable Crushing Plants
The crushing plants inlcude jaw crushing, cone crushing, impact crushing etc. Jaw crusher crush raw materials as primary crusher. Cone and impact crusher work as secondary crusher. Grinding plant include ball mill, raymond mill etc. The mills grind materials into smaller fine powder for deep usage.
Zenith produce not only crushing plants for this kind of mineral but also plants for kinds of minerals and ores. The productions include aluminum ore crushing line, barite grinding plant, coal crushing plant, gold ore crushing plant, magnetite ore screening plant, track ballast crushing line, iron ore crushing plant, quarry plant, nickel crushing and grinding plant, antimony ore crushing plant, construction aggregate plant, cement grinding plant, sand making production plant, copper ore crusher and mills, coal preparation plant, mining and crushing plant, construction waste crushing and treatment equipment, washing sand plant, track mounted aggregate plant, granite crushing plant, iron ore crushing plant, etc.
And Zenith mining machines are exported to more than 100 countries and regions. Vietnam, Nigeria, Kenya, Angola, Congo, Sudan, Yemen, Saudi Arabia, , Oman, Kazakhstan, Uzbekistan, Algeria, Chile, Peru, Ecuador, Senegal, Indonesia, Zimbabwe, Libya, Mozambique, Colorado, Iran, Nepal, Russia, Puerto Rico, Iraq, Botswana, Venezuela, Us-Fl, Afghanistan, Colombia, Maroc, Algeria, Zambia, Cuba, Italy, Paraguay, Lebanon, Vanuatu, Mongolia, Georgia, Canada, Tunisia, Uganda, Namibia, Belgium, Lao Pdr, Australia, Syria, Bangkok,Usa, Poland, Mexico etc.
SEE ALSO
Cone crusher is a kind of secondary crusher after jaw crusher. Cone crusher works with a motor drive...
PEW series jaw crusher is developed on the base of PE jaw crusher. The crusher is called european j...

Inquiry
Zenith crushing plants and grinding mills are exported all over the world, more than 100 countries:
Africa
Europe
South Africa
Malaysia
India
Pakistan
Sri Lanka
Philippines
Brazil
Egypt
Ghana
Uruguay
Mexico
Vietnam
Nigeria
Angola
Congo
Sudan
Kazakhstan
Uzbekistan
Algeria
Chile
Peru
Indonesia
Nepal
Russia
Afghanistan
Colombia
Zambia
Lao Pdr
Australia
More...
Contact Us
Add:
No.416 Jianye Road
South Jinqiao Area,Pudong
Shanghai, China
Zip: 201201
Tel : 0086-21-58386256
0086-21-58386258
Fax: 0086-21-58385887









