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  2. 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. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium.

  3. Tungsten carbide - Wikipedia

    en.wikipedia.org/wiki/Tungsten_carbide

    Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms. In its most basic form, tungsten carbide is a fine gray powder, but it can be pressed and formed into shapes through sintering [7] for use in industrial machinery, engineering facilities, [8] molding blocks, [9] cutting tools, chisels, abrasives, armor ...

  4. Cementite - Wikipedia

    en.wikipedia.org/wiki/Cementite

    Cementite (or iron carbide) is a compound of iron and carbon, more precisely an intermediate transition metal carbide with the formula Fe 3 C. By weight, it is 6.67% ...

  5. Silicon carbide - Wikipedia

    en.wikipedia.org/wiki/Silicon_carbide

    Silicon carbide (SiC), also known as carborundum (/ ˌ k ɑːr b ə ˈ r ʌ n d əm /), is a hard chemical compound containing silicon and carbon. A wide bandgap semiconductor , it occurs in nature as the extremely rare mineral moissanite , but has been mass-produced as a powder and crystal since 1893 for use as an abrasive .

  6. UK has not seen details of Trump steel tariffs, cannot assess ...

    www.aol.com/news/uk-not-seen-details-trump...

    Britain exports around 200,000 tonnes of steel per year to the U.S., worth over 400 million pounds ($495 million). ($1 = 0.8076 pounds)

  7. Aluminum Can Prices: Are They Still Worth Collecting?

    www.aol.com/aluminum-prices-much-yours-worth...

    The exact number of cans per pound can't be quantified due to different measurements. Depending on the brand, estimates show there are usually 32 to 35 cans per pound. For smaller, more common 12 ...

  8. Carbide - Wikipedia

    en.wikipedia.org/wiki/Carbide

    In chemistry, a carbide usually describes a compound composed of carbon and a metal. In metallurgy, ...

  9. Tantalum hafnium carbide - Wikipedia

    en.wikipedia.org/wiki/Tantalum_hafnium_carbide

    Very few measurements of melting point in tantalum hafnium carbide have been reported, because of the obvious experimental difficulties at extreme temperatures. A 1965 study of the TaC-HfC solid solutions at temperatures 2,225–2,275 °C found a minimum in the vaporization rate and thus maximum in the thermal stability for Ta 4 HfC 5.