High hardness and strength are achieved through cold working In the annealed condition Types 304 and 304L are very ductile and can be cold worked easily by roll forming deep drawing bending and other common fabricating methods Since the material work hardens rapidly inprocess annealing may be necessary to restore ductility and to lower hardness

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High hardness and strength are achieved through cold working. In the annealed condition, Types 304 and 304L are very ductile and can be cold worked easily by roll forming, deep drawing, bending, and other common fabricating methods. Since the material work hardens rapidly, in-process annealing may be necessary to restore ductility and to lower hardness.