Tool steel is a high carbon steel. Mild steel has lower hardness, so it is easier to form. Tool steel is harder and more resistant to wear than mild steel. Mild steel costs less than tool steel.






Tool steel is a high carbon steel. Mild steel has lower hardness, so it is easier to form. Tool steel is harder and more resistant to wear than mild steel. Mild steel costs less than tool steel.






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Why are tool steels hard?