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7 апреля 2021 г. 13:21

Why Should Choose Carbide Wear Parts

carbide wear parts

Wear-resistant components made by tungsten carbide as raw materials can be referred to as carbide wear parts, which have high hardness, strong wear resistance, wide industrial applications. Excellent wear resistance and high hardness make tungsten carbide wear parts suitable for manufacturing mechanical parts and drawing die featuring high-temperature resistance, friction resistance, corrosion-resistant.

What Is The Relationship Between The Hardness And Wear Resistance For Tungsten Carbide

Wear resistance refers to the ability to resist friction, and the tungsten carbide, which is a very widely used material, has high wear resistance. What is the relationship between the hardness and wear resistance for tungsten carbide?

In general, the higher the hardness is, the better the wear resistance. The smaller the particles of the tungsten steel has, the higher the hardness, the better wear resistance. The wear resistance of the cemented carbide is related to the contained proportion of titanium carbide, cobalt carbide. It will be higher hardness and better wear resistance, with more titanium carbide and less cobalt.

The tungsten carbide can reach 86 ~ 93hra at normal temperature, which is equivalent to 69 to 81HRC. High hardness can be maintained at 900 to 1000 ° C with excellent wear resistance. The cemented carbide has been made by a series of refractory metal carbides such as WC, TiC, NBC, and Vc with a powder metallurgical method as a binder. Compared with the superhard material, it has high toughness. Compared to high-speed steel, it has high hardness and wears resistance.

Hardness is an important performance indicator for measuring metal materials, which is the ability of a material to resist elastic deformation, plastic deformation and damage. If other factors have not been considered, the relationship between hardness and wear resistance is that the higher the hardness, the better the wear resistance. Relatively, the same material has different surface treatments, and the hardness is proportional to wear resistance.

However, the material with the best wear resistance doesn’t surely have a high hardness. For example, the hardness of cast iron which is the common wear-resistant material is not high.

Production Process Of Carbide Wear Parts

When the carbide wear parts are made, the particle size of the selected raw material powder is between 1 and 2 microns with high purity. The raw material is an ingredient according to the specified composition, and the alcohol or other medium is added to the wet ball mill for wet grinding, so that they are mixed, pulverized, dried, and sieved to add a type of molding agents such as wax or glue. Then they are dried for the mixture. The mixture granulates, the mold is heated to approaching the bonding metal melting point (1300 to 1500 ° C), and the hardened phase forms a eutectic alloy with the bonded metal.

After cooling, the hardening phase is distributed in the grid composed of bonded metal, close to each other, forming a strong whole. The hardness of the carbide wear parts depends on the content of the hardening phase and the particle size of the grain, that is, the higher the hardening phase content, the finer the grains, the higher the hardness. The toughness of the wear parts is determined by the bond metal, the higher the bond metal content, the greater the bending strength.

Applications Of Carbide Wear Parts

The tungsten carbide wear parts have a series of excellent performance, good wear resistance, high strength and toughness, heat resistance, corrosion resistance, etc., especially their high hardness and excellent wear resistance, providing powerful product support and excellent performance for industrial production, helping improve production efficiency and extend the service life of the equipment.


1.Suitable for making cast iron rolls and high-nickel-chromium rolls to repair molded knives.

2. Used for making unloading plates, stamping die, convex mold, electronic level molding, and other stamping dies.

3. In the pump, compressor and mixer, the tungsten carbide seal is applied as a mechanical sealing surface.

tungsten carbide seal ring

4. Carbide wear parts can be used on the metal ring in the spinning and weaving industry, which is to prevent rumors and displacement of phenantomers from rotating at high speeds and allows the machine to operate smoothly.

For more useful information, please visit the article page of what is carbide wear parts.

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Автор: Статус: offline pinkledstone
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