[Know Tungsten] History of Tungsten Carbide Grain Sizes for Processing

The history of cemented carbides is the history of a steadily widening range of available tungsten carbide grain sizes for processing. The main reason for this widening of the spectrum of WC grades is that besides those variations achieved by the cobalt content, the properties, such as hardness, toughness, strength, wear resistance, modulus of elasticity, etc can be widely varied by means of the WC grain size. The finer the cemented carbide, the harder is the material, and contraiwise.

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