Presence of manganese in alloy steel improves its___________________?
Correct answer: D. Abrasion resistance & toughness
- A. Corrosion resistance
- B. Cutting ability
- C. Elasticity & creep resistance
- D. Abrasion resistance & toughness
Explanation
Manganese increases hardenability and contributes to toughness and resistance to abrasion, making alloy steel more durable under impact and wear. It is not primarily added to improve elasticity or creep resistance.
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