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2 291 040

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IPC

B23P6/02(2006-01-01)

B23K9/04(2006-01-01)

(21) (22)

Application

2005119919/02, 2005-06-27

(24)

Start date

2005-06-27

(22)

Actual filing date

2005-06-27

(45)

Published

2007-01-10

(72)

Inventor

Panov Viktor ViktorovichKorneev Viktor MikhajlovichAleksandrov Nikita Vital'EvichBorovkov Igor' VsevolodovichKozlov Anatolij PavlovichSantalov Aleksandr Grigor'EvichTrajno Aleksandr IvanovichTjapaev Oleg VjacheslavovichKashchenko Filipp Danilovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD FOR ROLLER RESTORING Russian patent published in 2007 - IPC B23P6/02 B23K9/04

Abstract RU 2291040 C1

FIELD: restoring rollers of machines for billet continuous casting.

SUBSTANCE: method comprises steps of preliminarily heating barrel of rollers till temperature 200 - 250°C; surfacing roller at rate 20 - 30 m/h at electric current density 35 - 45 A/sq. mm; subjecting roller to heat treatment at temperature 500 - 550°C while soaking them for 2 - 4 h. Steel electrode is used as material for surfacing rollers. Said steel electrode has next chemical content, mass. % : carbon, 0.20 - 0.40; manganese, 0.30 -0.50; silicon, 0.30 -0.50; chrome, 12.0 -15.0; iron, the balance.

EFFECT: lowered consumption of rollers due to their improved strength.

2 cl, 2 tbl, 5 ex

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RU 2 291 040 C1

Authors

Panov Viktor Viktorovich

Korneev Viktor Mikhajlovich

Aleksandrov Nikita Vital'Evich

Borovkov Igor' Vsevolodovich

Kozlov Anatolij Pavlovich

Santalov Aleksandr Grigor'Evich

Trajno Aleksandr Ivanovich

Tjapaev Oleg Vjacheslavovich

Kashchenko Filipp Danilovich

Dates

2007-01-10—Published

2005-06-27—Filed