2022-12-08 17:26:53

what is tungsten carbide used for?

What is Tungsten Carbide?

Tungsten carbide (WC) is a composite material made up of tungsten and carbon atoms. Known for its exceptional hardness and durability, tungsten carbide is widely used across various industries. With a rating of 9 on the Mohs hardness scale, it is one of the hardest materials available, making it highly effective in applications that require strength and wear resistance.


Tungsten carbide is extensively utilized in multiple sectors. Its outstanding hardness, wear resistance, and high-temperature strength make it an indispensable material for various engineering and industrial applications. Langsun Carbide will guide you through the different uses of tungsten carbide and explain why it is so valuable in different fields.


1. Cutting Tools and Industrial Machinery

One of the most common applications of tungsten carbide is in cutting tools, including:

  • Drill Bits: Tungsten carbide drill bits are widely used in the construction and manufacturing industries. Their hardness allows them to easily drill through harder materials, including metals and concrete.

  • Milling Cutters: Tungsten carbide inserts are used in milling cutters for precision machining. Compared to traditional steel tools, they offer longer service life and superior performance.

  • Saw Blades: Tungsten carbide-tipped saw blades are favored for their ability to cut through hard materials, reducing the need for frequent replacements.


2. Mining and Oil & Gas Industry

In these industries, tungsten carbide is used for:

  • Drill Bits: Tungsten carbide drill bits are crucial for soil sampling and mineral exploration. Their durability enables them to withstand immense pressure when drilling through hard rock layers.

  • Downhole Equipment: Tungsten carbide is used in valves, pumps, and drill bits to provide increased durability and resistance to corrosive environments encountered during drilling.


3. Sealing Industry

Tungsten carbide is widely used in the sealing industry for:

  • Mechanical Seals: They are commonly used in pumps, compressors, and other rotating equipment to prevent liquid or gas leakage. The wear and corrosion resistance of tungsten carbide seals makes it an ideal material for mechanical seal rings.

  • Valve Seals: In valve applications, tungsten carbide is used for seats and cores. Its high hardness and wear resistance ensure the sealing performance of valves under frequent switching and high-pressure conditions.

  • Oil Seals and Bearing Seals: Tungsten carbide is also employed in oil seals and bearing seals to prevent lubrication oil leakage. Its wear and high-temperature resistance make it widely used in automotive, aerospace, and industrial equipment.


The exceptional properties of tungsten carbide make it a valuable material across various industries. Its versatility and importance are demonstrated in cutting tools and industrial machinery, mining and oil & gas, and the sealing industry. By leveraging the unique characteristics of tungsten carbide, industries can achieve higher efficiency, durability, and performance in their respective fields. When it comes to materials that can withstand high-stress environments while maintaining outstanding performance, tungsten carbide is undoubtedly the material of choice.


We have a highly professional team that can provide optimal solutions tailored to your specific industry needs. If you have any questions regarding tungsten carbide, please feel free to contact us, and we will promptly assist you with your inquiries.