Molybdenum is commonly used in .
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A.
high carbon steel
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B.
high-speed steel
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C.
low carbon steel
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D.
stainless steel
Correct Answer:
B. high-speed steel
Explanation:
Molybdenum is a frequent alloying element in high-speed steel because it significantly enhances the material's toughness, wear resistance, and ability to maintain hardness at elevated temperatures. Known as "M-series" steels when molybdenum is the primary alloying agent, these alloys are specifically designed for cutting tools and industrial applications where the metal must withstand intense heat and friction without losing its structural integrity. Unlike standard carbon or stainless steels, high-speed steel relies on the addition of molybdenum to form stable carbides that improve the overall performance and longevity of the tool.
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