General Studies · Material Science
Which statement best describes the composition and characteristic of free-cutting steel?
- 1A steel containing carbon entirely in uncombined free form.
- 2A high-alloy steel that is extremely difficult to deform.
- 3A low carbon steel with added sulphur or lead to enhance machinability.✓
- 4A specialized tool steel with poor wear resistance.
Correct answer
A low carbon steel with added sulphur or lead to enhance machinability.
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