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The process in which steel is heated 20? to 40?C below the lower critical temperature, held there for a prolonged period and then allowed to cool slowly in the furnace is known as

Correct Answer: Spheroidising

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Unknown MCQ: The process in which steel is heated 20? to 40?C below the lower critical temperature, held there for a prolonged period and then allowed to cool slowly in the furnace is known as | Extra Education