Engineering Materials
Ductility of a material can be defined as

Ability to recover its original form
Ability to undergo large permanent deformations in tension
Ability to undergo large permanent deformations in compression
All of these

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Engineering Materials
The temperature required for full annealing in hypereutectoid steel is

30° C to 50° C above lower critical temperature
30° C to 50° C below upper critical temperature
30° C to 50° C above upper critical temperature
30° C to 50° C below lower critical temperature

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Engineering Materials
In process annealing, the hypo eutectoid steel is

Heated below or closes to the lower critical temperature and then cooled slowly
Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace
Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium
Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air

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