Difference between Annealing and Normalizing?

The Difference between Annealing and Normalizing:

Annealing:

• Annealing process is used to improve the softness and ductility of on metals.
• The time taking is longer.
• This is a slow process due to the cooling is done in the furnace itself.
• The structure of grain is coarse.
• This type of treatment is more cost than normalizing.
• To improve the machinability it is used.
• For an annealed steel the quality of the machined surface is low.
• This type of steels are less harder than the normalized metals.

Normalizing:

• This process of normalizing is used to refine the grain structure.
• It takes less time.
• In this cooling, is done in the air itself.
• Structure of grain is finer.
• This treatment is less costly.
• It is used to improve the machinability.
• For this type of steel the high quality of the machined surface is done.
• This steel has harder than the Annealing.

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