Work-hardenable alloy steel for earthmoving equipment blades Blades of bulldozers, bucket wheel excavators, and similar equipment use a work-hardenable alloy steel. Besides Fe and C, which alloying element characterizes this steel? Choose the correct option.
Mechanical Engineering
Engineering Materials
Difficulty: Easy
Choose an option
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AChromium
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BSilicon
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CManganese
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DMagnesium
Answer
Correct Answer: Manganese
Explanation
ConceptThe steel is Hadfield manganese steel (~12–14% Mn), famous for extreme work hardening and high impact resistance, widely used for shovel/bulldozer blades, crusher liners, and track components.
Final AnswerManganese