Answer: b) Below the eutectoid temperature
The spheroidising process is carried out at Below the eutectoid temperature
Solution:
The spheroidising process is used for converting the microstructure of steel having more than 0.8% of carbon. In spheroidising the steel (i.e. high carbon steel) is heated at a temperature below the eutectoid temperature (i.e. 650°C) and keep it for a predetermined temperature.
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