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Question1. Differentiate between the following three types of plain carbon steels.

  •     Eutectoid
  •     Hypoeutectoid
  •     Hypereutectoid

Question2. A 1.10 percent C hypereutectoid plain carbon steel is slowly cooled from 900°C to a temperature just slightly below 723°C.

A.Calculate the weight percent preutectoid cementite present in the steel

B.Calculate the weight percent eutectoid cementite and the weight percent eutectoid ferrite present in the steel.

Question3. A 0.90 percent C hypereutectoid plain carbon steel is slowly cooled from 900°C to a temperature just slighltly above 723°C. calculate the weight percent proeutectoid cementite and weight percent austenite present in this steel.

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  • Category:- Physics
  • Reference No.:- M9161570

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