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Question #94891

Age hardening is a process done at______________?

Options:

A) Heating up to 200 – 450°C for 15 – 30 min and quenching in water

B) Heating at 700°C for 10 – 15 min and quenching in water

C) Heating at 700°C for 1 hour and quenching in water

D) Heating above 700°C for 30 min and quenching in water

Answer: Age hardening is a process done at Heating up to 200 – 450°C for 15 – 30 min and quenching in water.

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