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2 048 543

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Application

92012968/02, 1992-12-21

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Actual filing date

1992-12-21

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Published

1995-11-20

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Inventor

Petrenko A.G.Goljaeva F.M.Kornienkov B.A.Brashevan G.A.Bekker Ju.A.Kutyrev A.Ja.Ponomarev B.Ja.Slobtsov P.I.Lakeev B.A.Tsyrlin M.B.Grigor'Ev L.G.Tsejtlin A.M.Fishman S.B.

(73)

Holder

Verkh-Isetskij Metallurgicheskij Zavod

ELECTROTECHNICAL ANISOTROPIC STEEL PRODUCTION METHOD Russian patent published in 1995 - IPC

Abstract RU 2048543 C1

FIELD: metallurgy. SUBSTANCE: components of the method are hot rolling, normalization, cold rolling, decarbonizing and high-temperature annealings. Normalization with heating up to 1040 1080 C is exercised with cooling down to 400 C at increasing speed: to 1000 C - with speed of 1.0 1.8 C/s, from 1000 to 900 C with speed of 4 5 C/s, from 900 to 400 C with speed of 17 25 C/s and further with slowing speed. Side by side with this during decarbonizing annealing speed of heating up to 850 880 C is regulated by 20 30 C/s. Steel treated by the method has high level of B100 and low values of P P1,7/50. EFFECT: method allows to produce electrotechnical anisotropic steel with improved properties. 2 cl, 2 dwg

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RU 2 048 543 C1

Authors

Petrenko A.G.

Goljaeva F.M.

Kornienkov B.A.

Brashevan G.A.

Bekker Ju.A.

Kutyrev A.Ja.

Ponomarev B.Ja.

Slobtsov P.I.

Lakeev B.A.

Tsyrlin M.B.

Grigor'Ev L.G.

Tsejtlin A.M.

Fishman S.B.

Dates

1995-11-20—Published

1992-12-21—Filed

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