Q208
The heating of eutectoid steel is done for hardening process in the range of temperature
A.
above 30 - 50°C to A3
B.
above 30 - 50°C to A1
AnswerC.
below 30 - 50°C to Acm
D.
above 30 - 50°C to Acm
Answer: Option B
Solution
Answer: Option B
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