Difference between Annealing & Tempering

Difference between Annealing & Tempering is as per below.

Annealing	Tempering
Annealing is a primary process.	Tempering is a secondary process. Usually done after hardening process.
Material is heated above re-crystallization temperature.	Material is heated below re-crystallization temperature.
Cooling process of material is take place inside the furnace.	Cooling process of material is take place outside the furnace.

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