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The grain size of steel increases with an increase in temperature.(a) True(b) FalseI got this question during an interview for a job.Question is from Forging Temperatures topic in section Smithing and Forging of Casting-Forming-Welding II

Answer»

The correct answer is (a) True

Explanation: With an increase in the temperature, when the temperature goes above the UPPER critical temperature limit, the grain size of STEEL also BEGINS to increase. HOWEVER, on FORGING, the grain is broken down.



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