The main components of tungsten-cobalt cemented carbide are WC and Co.The brand letters are YG (the pinyin initials for hard and cobalt), and the number numbers are percentages of the average amount of cobalt, such as YG8, which means average WCo=8%, with the rest being tungsten carbide.
Tungsten-cobalt hard alloy has the characteristics of high bending strength, good wear resistance and high hardness.Different grades of cemented carbide are usually selected according to their use. The following are for reference:
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