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Application

99110714/02, 1999-05-21

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Start date

1999-05-21

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Actual filing date

1999-05-21

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Published

2000-06-10

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Inventor

Nastich V.P.Mindlin B.I.Cheglov A.E.Shljakhov N.A.Barjatinskij V.P.Parakhin V.I.Gvozdev A.G.Logunov V.V.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD OF PRODUCING ANISOTROPIC ELECTRICAL-SHEET STEEL Russian patent published in 2000 - IPC

Abstract RU 2150518 C1

FIELD: metallurgy, particularly, production of anisotropic electrical-sheet steel used in manufacture of magnetic circuits of electrical equipment. SUBSTANCE: anisotropic electrical-sheet steel is melted with the following amount of components, wt.%: carbon, 0.020-0.060; silicon, 2.6-3.5; aluminum, 0.008-0.030; manganese, 0.10-0.030; copper, 0.1-0.7; phosphorus, 0.015-0.15; sulfur, 0.003-0.006; chromium, 0.03-0.06; nickel, up to 0.10; iron and other organic impurities, the balance. Steel is subjected to hot rolling, pickling cold rolling, decarbonizing annealing, the second hot rolling to thickness of 0.35 mm, application of heat-resistant coating and high-temperature annealing at 1100 C. EFFECT: higher level of steel magnetic properties. 1 cl, 1 tbl, 1 ex

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RU 2 150 518 C1

Authors

Nastich V.P.

Mindlin B.I.

Cheglov A.E.

Shljakhov N.A.

Barjatinskij V.P.

Parakhin V.I.

Gvozdev A.G.

Logunov V.V.

Dates

2000-06-10—Published

1999-05-21—Filed

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