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Analysis on the composition and performance of cemented carbide balls


Cemented carbide ball is a high temperature sintered al […]

Cemented carbide ball is a high temperature sintered alloy material composed of refractory metal WC and cemented metal Co or Ni, which is our commonly known tungsten cobalt alloy ball (usually grades YG6, YG6X, YG8, YG10, YG13) or Tungsten-nickel alloy balls (representing grades YN6, YN8, YN10, YN13, etc.), and one more commonly used is titanium carbide balls, also known as TIC28 alloy balls
Tungsten-cobalt alloy ball is a typical representative of cemented carbide. It is the most widely used and most commonly used grade, YG6, YG6X, YG8, with a density of 14.9 to 15.1.

Tungsten-nickel alloy ball WC-Ni-based alloy has good chemical stability, resistance to acid and alkali corrosion, thereby improving the service life of the product. Due to the above characteristics of cemented carbide, it is widely used in ball rolling bodies in the bearing industry, rotary balls for fluid seals, pump spools, check valves for oil digging machines, valve seats, and many other high-tech military and civilian products.
Cemented carbide balls have high hardness and good wear resistance. Good rigidity at normal temperature, no obvious plastic deformation, and small thermal expansion coefficient. This product has good dimensional stability and high processing accuracy, usually G10, G25, and hardness generally above HRA89. Alloy ball can reach HRA92 or above, it is an ideal valve, petroleum, chemical, scientific research, bearing ball, titanium carbide ball has a strong cost performance, while the proportion is lighter, usually between 8.9 to 9.2.