Composed of tungsten carbide, cobalt and other alloying elements, KN20 Cemented Carbide has high hardness, wear resistance and toughness, and is widely used in metal cutting, mining and extraction, machining, aerospace and automotive industries. With the advancement of technology, its application scope will be further expanded.

KN20 Cemented Carbide is a high performance engineering material, mainly composed of tungsten carbide (WC), cobalt (Co), and other alloying elements such as chromium (Cr).

The chemical composition of KN20 Cemented Carbide mainly includes:

Carbon (C): Carbon is the main component of Cemented Carbide and plays an important role in hardness and wear resistance. the carbon content in KN20 Cemented Carbide is about 3%.

Tungsten (W): Tungsten is the main alloying element in Cemented Carbide and plays an important role in hardness and wear resistance. the tungsten content in KN20 Cemented Carbide is about 18%.

Cobalt (Co): Cobalt is the main binder in Cemented Carbide and plays an important role in the hardness and toughness of Cemented Carbide. the content of cobalt in KN20 Cemented Carbide is about 10%.

Chromium (Cr): Chromium improves the hardness and wear resistance of Cemented Carbide, the chromium content in KN20 Cemented Carbide is about 5%.

Other elements: KN20 Cemented Carbide may also contain a certain amount of other elements, such as manganese (Mn), silicon (Si), etc., to improve the material properties6.

Areas of application

KN20 Cemented Carbide is widely used in several industrial fields due to its excellent properties:

Metal cutting: Due to its high hardness and wear resistance, KN20 Cemented Carbide is widely used in the manufacture of a variety of metal cutting tools, such as drills, milling cutters and turning tools.

Mining and quarrying: In mines and quarries, KN20 Cemented Carbide is used to manufacture drills, rock drilling tools and other wear-resistant parts to improve extraction efficiency and tool life.

Machining: KN20 Cemented Carbide is also used in the manufacture of moulds, cutting tools and wear-resistant components for machining various metal materials such as steel, aluminium and copper.

Aerospace: In aerospace, KN20 Cemented Carbide is used to manufacture engine components, fuel nozzles and other parts that need to operate at high temperatures and pressures.

Automotive industry: In automotive manufacturing, KN20 Cemented Carbide is used to manufacture engine components, transmission system parts and brake system parts to improve the performance and durability of automobiles.

In summary, the chemical composition of KN20 Cemented Carbide gives it high hardness, high wear resistance and good toughness, which makes it play an important role in the fields of industrial manufacturing, mining and quarrying, machining, aerospace and so on.

With the advancement of technology and the improvement of material performance requirements, the application range of KN20 Cemented Carbide is expected to expand further.

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