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Identify the correct arrangement (in ascending order) of the hardness of structures of steel while undergoing a heat treatment process.
  • a)
    Martensite < fine="" pearlite="" />< coarse="" pearlite="" />< />
  • b)
    Fine Pearlite < martensite="" />< spherodite="" />< coarse="" />
  • c)
    Martensite < coarse="" pearlite="" />< fine="" pearlite="" />< />
  • d)
    Spherodite < coarse="" pearlite="" />< fine="" pearlite="" />< />
Correct answer is option 'D'. Can you explain this answer?
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Identify the correct arrangement (in ascending order) of the hardness...
Different phases of steel:
Ascending order of hardness:
Spheroidite < coarse="" pearlite="" />< fine="" pearlite="" />< />
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Identify the correct arrangement (in ascending order) of the hardness...
Arrangement of Hardness of Steel Structures after Heat Treatment

There are different structures of steel that can be obtained through heat treatment. These structures have different levels of hardness, which can be arranged in ascending order as follows:

1. Soft Pearlite: This structure is obtained by heating the steel to a temperature below its critical point, holding it at that temperature for a sufficient time, and then cooling it slowly. Soft Pearlite has a low hardness level.

2. Fine Pearlite: Fine Pearlite is obtained by heating the steel to a higher temperature than Soft Pearlite, holding it at that temperature for a longer time, and then cooling it slowly. Fine Pearlite has a higher hardness level than Soft Pearlite.

3. Spherodite: Spherodite is obtained by heating the steel to a temperature between Soft Pearlite and Martensite, holding it at that temperature for a specific time, and then cooling it slowly. Spherodite has a higher hardness level than Fine Pearlite.

4. Martensite: Martensite is obtained by heating the steel to a temperature above its critical point, holding it at that temperature for a minimal time, and then quenching it in a suitable medium such as oil or water. Martensite has the highest hardness level among all the structures mentioned above.

Therefore, the correct arrangement (in ascending order) of the hardness of structures of steel while undergoing a heat treatment process is:

Soft Pearlite < fine="" pearlite="" />< spherodite="" />< martensite.="" />
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Identify the correct arrangement (in ascending order) of the hardness...
Different phases of steel:
Ascending order of hardness:
Spheroidite < coarse="" pearlite="" />< fine="" pearlite="" />< />
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Identify the correct arrangement (in ascending order) of the hardness of structures of steel while undergoing a heat treatment process.a)Martensite b)Fine Pearlite c)Martensite d)Spherodite Correct answer is option 'D'. Can you explain this answer?
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Identify the correct arrangement (in ascending order) of the hardness of structures of steel while undergoing a heat treatment process.a)Martensite b)Fine Pearlite c)Martensite d)Spherodite Correct answer is option 'D'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about Identify the correct arrangement (in ascending order) of the hardness of structures of steel while undergoing a heat treatment process.a)Martensite b)Fine Pearlite c)Martensite d)Spherodite Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Identify the correct arrangement (in ascending order) of the hardness of structures of steel while undergoing a heat treatment process.a)Martensite b)Fine Pearlite c)Martensite d)Spherodite Correct answer is option 'D'. Can you explain this answer?.
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