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The powder form of tungsten is the raw material for preparing tungsten processing materials, tungsten alloys and tungsten products

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Update time : 2021-01-21 14:58:32
What is tungsten metal powder?
Metal tungsten in the form of tungsten powder is a raw material for preparing tungsten processing materials, tungsten alloys and tungsten products. Metal tungsten powder is gray-black metal with metallic luster (body-centered cubic crystal). The melting point is 3400°C. The boiling point is 5555°C. The hardness of tungsten is the hardest among metals. The hardness of sintered tungsten bars is 200-250, and the hardness of tungsten rods that are passed through a hammer is 350-400. Soluble in a mixed acid of nitric acid and hydrofluoric acid. Melt with a mixture of sodium hydroxide and sodium carbonate.
What is tungsten powder used for?
Tungsten powders can be used to create strong and durable proprietary alloys and other finished products. It is well known that nowadays most industrial metals and alloys, such as steel, aluminum and copper, are produced by melting and casting in a mold.
In the production of cemented carbide and tungsten products, the chemical purity of tungsten powder is relatively high. The remaining impurity elements in the tungsten powder have an impact on the processing performance and use performance of the product. For example, in the process of producing tungsten powder using APT as raw material, direct contact between the material and calcination, reduction furnace tubes, boats, etc., causes the content of impurities such as Fe, Ni, Cr, and Si to increase, and the chemical purity decreases. Some of these impurity elements are brought in from the raw materials, and some are caused by the boat or furnace tube material falling off. When they reach a certain content or aggregate into a sufficiently large size, they may become a source of defects in subsequent processing or use.
What is tungsten metal used for?
Current uses are as electrodes, heating elements and field emitters, and as filaments in light bulbs and cathode ray tubes. Tungsten is commonly used in heavy metal alloys such as high-speed steel, from which cutting tools are manufactured. It is also used in the so-called 'superalloys' to form wear-resistant coatings.
How is tungsten powder made?
Tungsten powder is mainly produced by the hydrogen reduction of high-purity tungsten oxides. Oxides are produced using ammonium para tungstate (APT). Tungsten trioxide and tungsten blue oxide tend to be the starting materials. Producing tungsten powder by reducing tungsten oxides using hydrogen is a unique process.
Is Tungsten a metal?
Pure tungsten is a silver-white metal and when made into a fine powder can be combustible and can spontaneously ignite. Natural tungsten contains five stable isotopes and 21 other unstable isotopes. Tungsten is used in many different ways because it is very strong and durable.
Tungsten is a dull silver-colored metal with the highest melting point of any pure metal. Also known as Wolfram, from which the element takes its symbol, W, tungsten is more resistant to fracturing than diamond and is much harder than steel.
Is Tungsten stronger than steel?
Tungsten rings are the most wear-resistant rings available on the planet. Tungsten is about 10 times harder than 18K Gold, 5 times harder than tool steel, and 4 times harder than titanium. Tungsten measures between 8 and 9 on the Mohs hardness scale. (Diamonds are a 10 - the highest.)
Is Tungsten toxic to humans?
Tungsten has been the subject of numerous in vivo experimental and in vitro studies in view of determining its metabolic and toxicity profile. However, tungsten and its compounds are not considered very toxic for humans. Most existing human toxicology information comes from chronic occupational exposure.
James Wade swaps tungsten for tools to help NHS staff and keyworkers
Multiple major James Wade has downed tools on the oche and headed to the garage in an effort to keep Britain's key workers moving during the Covid-19 pandemic. James Wade swaps tungsten for tools to help NHS staff and keyworkers
Wade, a qualified mechanic, is now working in his Aldershot-based garage to help keep NHS staff and other key workers on the road during this difficult period.
The 37-year-old has worked as a mechanic from a young age and founded Precision Auto Services alongside his father Martin in 2012.
Wade is now offering a 20 percent discount for NHS and emergency workers as a show of appreciation for their tireless efforts.
Wade, who recently competed in the PDC Home Tour, has reduced his practice regime in order to provide key repair work on vehicles of key workers in his local area.
Nicknamed 'The Machine', Wade has long spoken about his passion for cars and the back of his playing shirt features a custom number plate.
A patron of the Bipolar UK charity, Wade said: "To keep me in the right frame of mind I work on cars, which are my passion.
"I can feel my happiest at the garage; there is no one there to judge me but myself.
"When people recognize me, they often ask if I am worried about hurting my hand - but I tell them, 'If that happens, I won't stop living. I'm doing this because I enjoy it.'
"It's a nice feeling when you have done a hard day's work in the garage - you can't beat a manual job, having dinner, putting your feet up and getting moaned at by the wife!"
Wade joined the PDC in 2004 and has gone on to become one of the most successful players in the sport's modern history, claiming nine major titles, including the World Matchplay, Premier League, and both the UK Open and World Grand Prix on two occasions.
The world number eight picked up five ranking titles in 2019, taking his overall tally of PDC titles to 35.
TRUNNANO (aka. Luoyang Tongrun Nano Technology Co. Ltd.) is a trusted global chemical material supplier & manufacturer with over 12 years' experience in providing super high-quality chemicals and Nanomaterials. Currently, our company has successfully developed a series of materials. The tungsten metal powder produced by our company has high purity, fine particle size and impurity content. Please contact us if necessary.
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