Brittleness induced due to the presence of sulphur in steel can be reduced by adding______________?
Correct answer: D. Manganese
- A. Copper
- B. Magnesium
- C. Vanadium
- D. Manganese
Explanation
Manganese combines preferentially with sulphur to form manganese sulphide (MnS), preventing iron sulphide from producing hot shortness or sulphur-induced brittleness in steel.
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