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2 139 952

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IPC

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Application

98102146/02, 1998-01-26

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Start date

1998-01-26

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Actual filing date

1998-01-26

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Published

1999-10-20

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Inventor

Gorynin I.V.Karzov G.P.Tsukanov V.V.Filimonov G.N.Bogdanov V.I.Grekova I.I.Berezhko B.I.Janovskij G.V.Povyshev I.A.Orlova V.N.Panov Ju.K.Nosov G.F.Romantsov A.A.Vasil'Ev V.G.Sobolev Ju.V.Petrov V.V.Suljagin V.R.Il'In Ju.V.

(73)

Holder

Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Konstruktsionnykh MaterialovAktsionernoe Obshchestvo Otkrytogo Tipa Zavody"Opytnoe Konstruktorskoe Bjuro Mashinostroenija

STEEL FOR STRUCTURES OF BODIES OF NUCLEAR POWER PLANTS OF HIGH SAFETY AND RELIABILITY Russian patent published in 1999 - IPC

Abstract RU 2139952 C1

FIELD: metallurgy of structural steels and alloys; applicable in power and chemical engineering in manufacture of bodies of water-cooled nuclear reactors, pressure vessels and petrochemical equipment. SUBSTANCE: claimed steel contains, wt,%: carbon 0.10-0.28; silicon 0.03-0.42; manganese 0.17-0.70; chromium 2.0-3.3; molybdenum 0.6-0.8; vanadium 0.20-0.40; nickel 0.05-0.40; copper 0.03-0.30; cobalt 0.005-0.025; aluminium 0.01-0.15; nitrogen 0.005-0.08; cerium 0.002-0.05; calcium 0.001-0.005; sulfur 0.002-0.040; antimony 0.001-0.005; tin 0.001-0.005; the balance, iron. In this case, total content of carbon and nitrogen does not exceed 0.03%; total content of nickel, copper and cobalt within 0.5%, and total content of antimony, tin, phosphorous and arsenic within 0.05%. EFFECT: higher resistance of metal to brittle failure under conditions of heat effect and radiation, reduced level of induced activity, increased operate reliability and service life. 2 tbl

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RU 2 139 952 C1

Authors

Gorynin I.V.

Karzov G.P.

Tsukanov V.V.

Filimonov G.N.

Bogdanov V.I.

Grekova I.I.

Berezhko B.I.

Janovskij G.V.

Povyshev I.A.

Orlova V.N.

Panov Ju.K.

Nosov G.F.

Romantsov A.A.

Vasil'Ev V.G.

Sobolev Ju.V.

Petrov V.V.

Suljagin V.R.

Il'In Ju.V.

Dates

1999-10-20—Published

1998-01-26—Filed