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Application

2000104809/02, 2000-02-29

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Start date

2000-02-29

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Actual filing date

2000-02-29

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Published

2000-09-20

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Inventor

Gurkalov P.I.Moskalenko V.A.Bagdasarov Ju.Eh.Shafigin Z.K.Stepashin A.M.Tolstenko S.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF PRODUCTION OF ROLLED STOCK Russian patent published in 2000 - IPC

Abstract RU 2156311 C1

FIELD: metallurgy, more specifically, production of critical rolled products for manufacture of tubings with prolonged service life. SUBSTANCE: method includes charging of charge into furnace, melting of steel of definite chemical composition, steel alloying, treatment of steel in ladle, steel casting, austenization of ingots, their deformation and final cooling of stock. Steel is alloyed with nickel and chromium by introduction into charge of naturally alloyed pig iron in amount of 5-40% of charge weight and additional additive of ferroalloys into ladle. EFFECT: higher cold resistance of metal and corrosion resistance of rolled products. 4 cl, 1 ex

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RU 2 156 311 C1

Authors

Gurkalov P.I.

Moskalenko V.A.

Bagdasarov Ju.Eh.

Shafigin Z.K.

Stepashin A.M.

Tolstenko S.A.

Dates

2000-09-20—Published

2000-02-29—Filed

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