Cold chisel & hammers are made of_________________?
Correct answer: B. High carbon steel
- A. High speed steel
- B. High carbon steel
- C. Forged steel
- D. Mild steel
Explanation
Cold chisels and hammer heads require high hardness and resistance to impact wear, properties obtained from high-carbon tool steel after suitable heat treatment. High-speed steel is intended mainly for cutting tools operating at high speed.
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