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Application

2000104811/02, 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

(72)

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 2156313 C1

FIELD: metallurgy, more specifically, production of critical rolled products for manufacture of tubings with prolonged service life. SUBSTANCE: method includes melting of steel of definite chemical composition, steel alloying with ferro-niobium during metal tapping from furnace, ladle treatment of steel, casting of steel on continuous casting machine, preliminary and final deformations, and final cooling of stock at temperature of 750-1000 C with cooling of 0.5-2.0 C/s. EFFECT: higher cold and corrosion resistance of stock metal. 3 cl

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RU 2 156 313 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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