China, Russia and Korea are all major producers of tungsten, the primary material needed for tungsten carbide. Large reserves of tungsten can be found in certain countries such as Bolivia, Canada and the United States. Today, around 30,000 tons of tungsten carbide are produced annually throughout the world. Only 10 tons per year were being manufactured in the 1930's when it was first gaining widespread use.

 

Tungsten itself was discovered in the later 18th century, however, widespread use of tungsten carbide did not begin until the early 1920's. More useful applications were discovered in the 1930's when tungsten carbide was used in the milling and cutting of cast iron.

 

 

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