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IPC

C21D1/02(2006-01-01)

C21D8/02(2006-01-01)

(21) (22)

Application

2011143611/02, 2011-10-31

(24)

Start date

2011-10-31

(22)

Actual filing date

2011-10-31

(45)

Published

2013-04-27

(72)

Inventor

Salikhov Zufar GarifullinovichTrajno Aleksandr IvanovichBakhtadze Natal'Ja NikolaevnaGenkin Arkadij L'VovichRomantsev Boris AlekseevichKazakbaev Nijazbek MukambetovichGazimov Ruslan Takhirovich

(73)

Holder

Salikhov Zufar Garifullinovich

COOLING METHOD OF MOVING HOT-ROLLED STEEL STRIP Russian patent published in 2013 - IPC C21D1/02 C21D8/02

Abstract RU 2480528 C1

FIELD: metallurgy.

SUBSTANCE: strip is cooled on an outgoing roller table prior to coiling by supplying a cooling agent flow through hollow rollers pressed to the cooled surface of the strip; at that, when limit value of the cooling agent flow is reached, strip movement speed is changed smoothly till the measured strip temperature decreases to its specified value. At that, cooling of the strip is performed at the temperature interval of A_r3+(30±50)°C to A_r1+(10±80)°C, and cooling agent is passed in the opposite direction after two adjacent hollow rollers.

EFFECT: increasing stability of mechanical properties of hot-rolled strips.

1 tbl, 2 ex

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RU 2 480 528 C1

Authors

Salikhov Zufar Garifullinovich

Trajno Aleksandr Ivanovich

Bakhtadze Natal'Ja Nikolaevna

Genkin Arkadij L'Vovich

Romantsev Boris Alekseevich

Kazakbaev Nijazbek Mukambetovich

Gazimov Ruslan Takhirovich

Dates

2013-04-27—Published

2011-10-31—Filed