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2 078 145

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C1

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IPC

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Application

93029488/02, 1993-06-15

(22)

Actual filing date

1993-06-15

(45)

Published

1997-04-27

(72)

Inventor

Nastich V.P.Mindlin B.I.Parakhin V.I.Larin Ju.I.Termer Eh.R.Gol'Dshtejn V.Ja.Seryj A.V.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD OF PRODUCING ISOTROPIC ELECTRIC STEEL Russian patent published in 1997 - IPC

Abstract RU 2078145 C1

FIELD: ferrous metallurgy. SUBSTANCE: method includes smelting steel with silicon content 2-3.5 wt %, rolling, coiling hot-rolled steel, standardization of multistrip-coil steel, cold rolling to final thickness, and tempering cold-rolled steel. Normalization temperature is chosen in dependence on coiling temperature according to following equation: $$$ = 1.5 $$$ - 70 $$$ 5 C. EFFECT: reduced specific loss caused by back magnetization. 1 tbl

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RU 2 078 145 C1

Authors

Nastich V.P.

Mindlin B.I.

Parakhin V.I.

Larin Ju.I.

Termer Eh.R.

Gol'Dshtejn V.Ja.

Seryj A.V.

Dates

1997-04-27—Published

1993-06-15—Filed

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