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Engineering Dictionary

Batch Anneal

The process by which a large, stationary stack of steel coils (4 coils high) is subjected to a long heat treating cycle. This process enables the cold rolled sheet to fully recrystallize into the softest possible product conforming to customer specifications. Controlling the recrystallization process makes a fine grained microstructure easy to obtain, and minimizes the tendencies for retention of directional properties of the rolled steel which could produce undesirable shapes in the stamping of a cylindrical part such as a can. Also see Anneal and Continuous Anneal.