Properties of alloy steels - Basic Mechanical Engineering

Q.  Which of the following statements is/are true for alloy steels?
- Published on 02 Sep 15

a. They contain carbon more than 1.7%
b. They are ductile
c. They have low resilience and toughness
d. All of the above

ANSWER: They are ductile

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    Discussion

  • Sravanthi   -Posted on 06 Nov 15
    - Alloy steels contain iron, carbon, silicon, manganese and other alloying elements such as nickel, chromium, molybdenum, vanadium or tungsten.

    - Alloy steels contain carbon less than 1.7% and iron upto 95%– 99%

    - Different alloying elements such as nickel, chromium, molybdenum, vanadium or tungsten are added to improve mechanical properties.

    - Alloy steels have high static and fatigue strength and also have high resilience and toughness.

    - Resilience and elastic limit of steel is improved by silicon present. Molybdenum, vanadium or tungsten improve hardness and toughness of material.

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