FIELD: stamping. SUBSTANCE: method involves heating and deformation at a temperature near a β-zone, heating and deformation at a temperature near a (α+β)-zone: heating and deformation at temperature below the temperature of total polymorphic transformation by 50-70 C, heating with holding for 3-8 hours and deformation at temperature below the temperature of the total polymorphic transformation by 20-40 C with following holding at the same temperature for 10-30 minutes with a set of operations at temperatures within (α+β)-zone performed 1-3 times. After this heating is made at a temperature in the β-zone which is higher by 20 -30 C than the temperature of the total polymorphic transformation with following deformation at this temperature. EFFECT: improved plastic characteristics. 1 tbl
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