The invention discloses a hot rolling control method based on an N6 pure
nickel 5 mm thin strip, and belongs to the field of
metal material hot rolling, and the hot rolling control method specifically comprises the steps that 1, a pure
nickel forging stock is heated in a preheating section, a first heating section, a second heating section, a third heating section and a soaking section in sequence, and the total
heating time is kept to be 220-320 min; 2, the heated blank is conveyed to a roughing mill, a roughing mill set adopts three-pass vertical rolling and seven-pass flat rolling, the initial rolling temperature ranges from 1050 DEG C to 1150 DEG C, the pass
reduction rate of roughing rolling ranges from 18% to 23%, the total deformation of roughing rolling ranges from 75% to 80%, the width of the blank at a roughing rolling outlet ranges from 420 mm to 425 mm, and the thickness of the blank at the roughing rolling outlet ranges from 34 mm; 3, the rough rolling blank is sent to a finish rolling area, a finish rolling unit adopts two-pass vertical rolling and nine-pass flat rolling, the temperature of a finish rolling inlet is controlled to be 1000-1050 DEG C, and the finish rolling temperature is controlled to be 850-900 DEG C; 4, after finish rolling is completed, the
strip steel is fed into a crimping
machine through a flat plate chain to be crimped, and the crimping temperature ranges from 550 DEG C to 600 DEG C; according to the method, the N6 pure
nickel thin strip which is uniform in structure, stable in performance and excellent in surface quality is obtained by controlling heating, rolling and
curling links.