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2 217 509

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IPC

(21) (22)

Application

2001122606/02, 2001-08-09

(24)

Start date

2001-08-09

(22)

Actual filing date

2001-08-09

(45)

Published

2003-11-27

(72)

Inventor

Nastich V.P.Mindlin B.I.Cheglov A.E.Gvozdev A.G.Logunov V.V.Ryndin V.A.Tishchenko A.D.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD OF PRODUCTION OF NONORIENTED ELECTRICAL-SHEET STEEL Russian patent published in 2003 - IPC

Abstract RU 2217509 C2

FIELD: production of nonoriented electrical-sheet steel to be used for manufacture of electric motor magnetic cores. SUBSTANCE: Cooling of hot-rolled strip out of nonoriented steel containing 2.8-3.2 % Si and 0.008-0.10 % P by means of air during movement of strip over delivery roller table with subsequent normalizing within the range of temperature from 800 C to 950 C. EFFECT: reduced level of specific losses by 0.1-0.2 W/kg. 1 tbl

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RU 2 217 509 C2

Authors

Nastich V.P.

Mindlin B.I.

Cheglov A.E.

Gvozdev A.G.

Logunov V.V.

Ryndin V.A.

Tishchenko A.D.

Dates

2003-11-27—Published

2001-08-09—Filed