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Compounds | Reactions | Production
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| Tungsten Compounds |
| Tungsten carbide |
 Tungsten carbide WC or W2C
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| The most useful of all tungsten compounds. Its extreme hardness makes it useful in the manufacture of cutting tools, abrasives and bearings, as a cheaper alternative to diamond. Tungsten carbide is also used as a scratch-resistant material for jewellery including watch bands and wedding rings. |