Heat treatment that requires heating in a part below A, temperature, i.e, between 550°C and 650°C is called as
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Which is false statement about annealing? Annealing is done to
Heat treatment operation involving heating of steel above upper critical temperature and then cooling it in air is known as
The grain structure obtained by isothermal hardening operation is
The property of a material that cannot be significantly changed by heat treatment is
45 videos|314 tests
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45 videos|314 tests
|