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2 186 861

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Application

2000123021/02, 2000-09-04

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Start date

2000-09-04

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Actual filing date

2000-09-04

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Published

2002-08-10

(72)

Inventor

Cheglov A.E.Mindlin B.I.Gvozdev A.G.Logunov V.V.Parakhin V.I.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD OF PRODUCTION OF ISOTROPIC ELECTRICAL STEEL Russian patent published in 2002 - IPC

Abstract RU 2186861 C2

FIELD: metallurgy, more specifically, production of isotropic electrical steel applicable in manufacture of electric motor magnetic circuits. SUBSTANCE: method is realized with temperature of decarbonizing recrystallization annealing after cold rolling determined with consideration of content of silicon and aluminum from relationship T=845+65(Si,%)-20(Al,%)± 10 C with content of silicon of 0.9- 3.3% and aluminum of 0.1-0.8%. EFFECT: higher level of magnetic properties. 1 tbl, 1 ex

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RU 2 186 861 C2

Authors

Cheglov A.E.

Mindlin B.I.

Gvozdev A.G.

Logunov V.V.

Parakhin V.I.

Dates

2002-08-10—Published

2000-09-04—Filed

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