The Performances And Characteristics of Cemented Carbide

The hardness of cemented carbide is high  (86 ~ 93HRA, equivalent to 69 ~ 81HRC).And it has the advantages of  hot hardness and good wearing resistance,which the hot hardness isup to 900 to 1000 ℃, keep 60HRC.

The cutting speed of cemented carbide  tool is 4 to 7 times higher than high-speed steel and the life of  tool is 5 to 80 times higher than high-speed steel.


But the frangibility of  cemented carbide  is good, it can not be cutted and processed. It is difficult to form the complex shapes of the tools.As a result, it is often used in the production of different shapes of the blades.It can use these methods such as welding, bonding, mechanical clamping to mount on the blade bodies and the molds.

 

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