Tungsten Carbide Tools Grading

Tungsten carbide tools are graded based on their hardness and composition.

The grading system ranges from soft to hard and brittle to tough. Some machining applications call for a carbide tool that is made of very hard, but brittle material that can hold an edge.

Other applications call for material that can resist shock and is softer and tougher. By varying the proportion of the cobalt used as binder, and by using different metallic carbides, the properties of the cemented carbide can be managed.


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