Tungsten Carbide Cutting Tool Materials Variety Series

After decades of continuous development, the hardness of tungsten carbide cutting tools has reached 89 ~ 93HRA, at a high temperature of 1000 ℃ still has good red hardness, which is several times the durability of high-speed steel cutting tools. tungsten carbide is WC, TiC, TaC, NbC, VC and other refractory metal tungsten carbides and prepared by powder metallurgy from iron group metals as a binder. Compared with the high-speed steel, it has high hardness, wear resistance and red hardness; compared with superhard material, it has a higher toughness. Because of tungsten carbide cutting tools has a good overall performance, so in the tool industry has been widely used.

Diverse types of tungsten carbide cutting tools. In the past, the International Organization for Standardization (ISO) has the tools, tungsten carbide cutting tools are divided into three categories: P class, mainly used for cutting steel; K class, mainly used for cutting cast iron; M class, for the ordinary type tungsten carbide. In recent years, the increasing number of types of processed materials, ISO and the addition to the three types of tungsten carbide, namely H class, mainly for high cutting hard materials such as hardened steel, chilled cast iron; S class for cutting heat materials, high-temperature alloys; N class for cutting non-ferrous metals.



 

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