The main purpose of spheroidising treatment is to improve
A. Hardenability of low carbon steels
B. Machinability of low carbon steels
C. Hardenability of high carbon steels
D. Machinability of high carbon steels
Answer: Option D
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Spheroidizing is a form of heat treatment for iron-based alloys, commonly carbon steels, in order to convert them into ductile and machinable alloys.
Machinability of high carbon steels