Made up primarily of tungsten carbide (WC) particles adhered with a metal binder, such as cobalt, cemented carbide combines the stamina of tungsten with the durability of other steels. The composition of cemented carbides can be tailored to fit details applications, leading to the production of varieties like YG20, yg15, https://www.webwiki.it/www.wolframcarbide.com/ja/%e8%a3%bd%e5%93%81-2/%e8%b6%85%e7%a1%ac%e5%90%88%e9%87%91%e4%b8%b8%e6%a3%92/