Which of the following is the most wear resistant grade of carbide used for the cutting tools ?
Correct answer: B. Tungsten carbide
- A. Aluminium carbide
- B. Tungsten carbide
- C. Nickel carbide
- D. Iron carbide
Explanation
Tungsten carbide is extremely hard and wear resistant, which makes it suitable for cutting-tool inserts and other high-wear applications. Aluminium, nickel, and iron carbides are not the standard choice for general carbide cutting tools.
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