Chinatungsten Online(Xiamen) Manu. & Sales Corp. Fujian (China)

Business overview

Tungsten /tʌŋstən/, also known as wolfram /wʊlfrəm/, which is a chemical element with the symbol of W and atomic number 74. Tungsten Metal is a hard, rare metal, it was found naturally on the Earth only in chemical compounds such as tungsten oxide. Now, the most of tungsten mines was found in China. Atomic Structure of tungstenTungsten was identified as a new element in 1781, and it was the first isolated as a metal in 1783.There are two important tungsten ores include wolframite and scheelite.Tungsten has the highest melting point of all the non-alloyed metals and the 2nd highest melting point of all the elements after carbon. Also tungsten metal has high density of 19.3 g/cc which is comparable to that of uranium and gold, and it is much higher about 2 times than that of lead. Most of tungsten chemical compounds are Tungsten oxides and tungsten trioxides(WO3), tungsten oxides are always named tungsten intermediate products,they are tungstic acid, ammonium paratungstate (APT, tungsten oxide content 88.5% );ammonium metatungstate (AMT), sodium tungstate, yellow tungsten oxide (YTO), blue tungsten oxide (BTO), tungsten trioxide (WO3), violet tungsten oxide (VTO). The other tungsten chemical compounds are most often used industrially as tungsten catalysts, there are tungstic anhydride, pure tungsten oxide, extra pure tungsten oxide (refined tungsten oxide) yellow-green tungsten oxide, Tungstic acid anhydride (Wolframic acid anhydrous, Wolframic acid anhydride), puratronic tungsten(vi) oxide, etc. Tungsten metal it is also named pure tungsten, the unalloyed elemental form of tungsten is used mainly in electrical applications, for example, most notably in incandescent tungsten light bulb filaments, X-ray tubes (as both the tungsten filament and tungsten target), tungsten electrodes and also tungsten metal always used in tungsten steel. All tungsten sintered products are made by the method of powder metallurgy (PM), tungsten powder is the most important raw materials and the starting point for tungsten mill products. Tungsten powder is made from tungsten oxide and by roasting and heating in a hydrogen atmosphere. Purity, Oxygen, grain size are very important for tungsten powder. With mixing other element powder, Tungsten powder can be made into a variety of tungsten alloy. Another important application of the tungsten powder is made ​​of tungsten carbide powder which is major materials of madding tungsten carbide sintered products.



Industry Metals and Minerals
Business Type Manufacturers & Trader
Establishment Year 1997
Firm Type Proprietorship
Expand Level International

Products & Services

Manufacturer and Traders of Tungsten Metal and Tungsten Alloy, Tungsten Carbide and Cemented Carbide, Molybdenum Alloy and Nonferrous Metal.

* Tungsten Metal and Alloy:- Metal, Heavy Alloy, Carbide Powder, Oxide, APT, AMT, VTO, WO3, Putty, Tungsten Plastic, Alloy Dart, Copper Alloy.

* Tungsten Carbide:- Tungsten Carbide, Cemented Carbide, Rod, Ball, Jewelry.

* Molybdenum Alloy and Nonferrous Metal:- Molybdenum Metal, Molybdenum Alloy, Titanium Zirconium Molybdenum TZM, Molybdenum Copper(MoCu Alloy), Sintered Bronze Porous Components.

Contact Details

Chinatungsten Online(Xiamen) Manu. & Sales Corp.

3F, No.25 WH Rd., Xiamen Software Park â…¡,
Fujian, 361008 () - (China)



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