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  2. Ferrotungsten - Wikipedia

    en.wikipedia.org/wiki/Ferrotungsten

    Ferrotungsten is relatively expensive, with the prices around $31–44 per kilogram of contained tungsten. [4] During World War 2, over 21,000,000 lb of Ferro-tungsten and other ferroalloys were shipped to Russia on lend-lease. [3] The cost was more than $12,000,000. Ferrotungsten comes from rich ore raw materials primarily of wolframite or ...

  3. Tungsten - Wikipedia

    en.wikipedia.org/wiki/Tungsten

    The jewelry industry makes rings of sintered tungsten carbide, tungsten carbide/metal composites, and also metallic tungsten. [78] WC/metal composite rings use nickel as the metal matrix in place of cobalt because it takes a higher luster when polished. Sometimes manufacturers or retailers refer to tungsten carbide as a metal, but it is a ...

  4. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. ... there has been interest in converting ...

  5. Hemerdon Mine - Wikipedia

    en.wikipedia.org/wiki/Hemerdon_Mine

    Sustained tungsten metal price rises resulted in a five-fold increase in the price of ammonium paratungstate (an intermediate product of tungsten), from around US$60 per STU in 2003, to in excess of US$240 per STU from 2006. [36] This has resulted in increased tungsten mining exploration and development activities globally since 2005. [37]

  6. Plansee Group - Wikipedia

    en.wikipedia.org/wiki/Plansee_Group

    Today, the Plansee Group is divided into three divisions - Plansee High Performance Materials, Ceratizit Hard Metals & Tools and Global Tungsten & Powders - and holds interests in one company, which is Molymet. [20] The Group operates 49 production sites worldwide on three continents and sales offices in 50 countries.

  7. Refractory metals - Wikipedia

    en.wikipedia.org/wiki/Refractory_metals

    Refractory metals have high melting points, with tungsten and rhenium the highest of all elements, and the other's melting points only exceeded by osmium and iridium, and the sublimation of carbon. These high melting points define most of their applications. All the metals are body-centered cubic except rhenium which is hexagonal close-packed.

  8. Metal prices - Wikipedia

    en.wikipedia.org/wiki/Metal_prices

    Metal prices are the prices of metal as a commodity that are traded in bulk at a predefined purity or grade. Metal can be split into three major categories, precious metals, industrial metals and other metals. Precious metals and industrial metals are priced by trading of those metals on commodities exchanges. [1]

  9. List of named alloys - Wikipedia

    en.wikipedia.org/wiki/List_of_named_alloys

    This is a list of named alloys grouped alphabetically by the metal ... aerospace applications ... Inconel 686 (chromium, molybdenum, tungsten) Invar; Monel metal

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