March 01, 2016

How many grades of cemented carbide in the world?

Cemented carbides, also known as tungsten carbide or hardmetals, are the most widely used class of materials for high speed machining. It is an incredibly versatile and useful material due to its unique properties. Knowing the basics of tungsten carbide powder the important criteria is to specify two of three factors; binder content, hardness or grain size. These parameters will critically determine the microstructure of the cemented carbide and its properties. Certain combinations of properties are preferred for specific applications, providing a means categorizing multiple grades.How many grades of cemented carbide in the world?

Cemented carbides, also known as tungsten carbide or hardmetals, are the most widely used class of materials for high speed machining. It is an incredibly versatile and useful material due to its unique properties. Knowing the basics cemented carbide, including their characteristics as cutting tool materials, can help parts manufacturers choose the right tool for an application.

It is no surprise that there are hundreds of different possible grades. There are at least 5,000 different grades of tungsten carbide sold under more than 1,500 different trade names by more than 1,500 different companies. why are there so many kinds of grades and how does a toolmaker select the right material for a given application?

The different types of WC powders, the compositon and amount of the metal binder and the type and the amount of grain growth inhibitor are responsible
for the variety of cemented carbide grades. When evaluating or finding equivalents of tungsten carbide powder the important criteria is to specify two of three factors; binder content, hardness or grain size. These parameters will critically determine the microstructure of the cemented carbide and its properties. Certain combinations of properties are preferred for specific applications, providing a means categorizing multiple grades.

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