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2. 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 facility,mold industry,cutting tools, chisels, abrasives, armor-piercing ...

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. [76] 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. How a Kay Jewelers consultant sold a $16,000 engagement ring ...

   www.aol.com/kay-jewelers-consultant-sold-16...

   A $16,000 pear-shaped diamond ring was recently bought using virtual services. Signet, which owns Kay Jewelers, Zales, and Jared, has made some shifts to its strategy amid the coronavirus pandemic

5. Frustrated customers at Kay, Zales, and Jared say their ... - AOL

   www.aol.com/finance/frustrated-customers-kay...

   As Kay Jewelers, Zales, and Jared stores were forced to temporarily close across the country, many customers were left without the jewelry they had brought in to locations for repair. Since ...

6. Signet Jewelers - Wikipedia

   en.wikipedia.org/wiki/Signet_Jewelers

   Signet Jewelers Ltd. (Ratner Group 1949–1993 then Signet Group plc to September 2008) is, as of 2015, the world's largest retailer of diamond jewellery. [1] The company is domiciled in Bermuda and headquartered in Akron, Ohio , and is listed on the New York Stock Exchange .

7. Cemented carbide - Wikipedia

   en.wikipedia.org/wiki/Cemented_carbide

   The first cemented carbide developed was tungsten carbide (introduced in 1927) which uses tungsten carbide particles held together by a cobalt metal binder. Since then, other cemented carbides have been developed, such as titanium carbide, which is better suited for cutting steel, and tantalum carbide, which is tougher than tungsten carbide. [1]