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2 166 559

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IPC

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Application

99115486/02, 1999-07-13

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Start date

1999-07-13

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Actual filing date

1999-07-13

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Published

2001-05-10

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Inventor

Gorynin I.V.Karzov G.P.Filimonov G.N.Berezhko B.I.Tsukanov V.V.Grekova I.I.Orlova V.N.Nikolaev V.A.Povyshev I.A.Prosvirin A.V.Tsykanov V.A.Golovanov V.N.Krasnoselov V.A.Petrov V.V.Chernjakhovskij S.A.Suljagin V.R.Titova T.I.Dragunov Ju.G.Banjuk G.F.Komolov V.M.

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Holder

Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Konstruktsionnykh MaterialovOtkrytoe Aktsionernoe Obshchestvo Zavody"Opytnoe Konstruktorskoe Bjuro

STEEL FOR SHELLS OF ATOMIC REACTORS OF IMPROVED RELIABILITY AND LONGER SERVICE LIFE Russian patent published in 2001 - IPC

Abstract RU 2166559 C2

FIELD: metallurgy, more particularly power and chemical machine building industries, and also manufacture of shells of water-cooled atomic reactors, pressure vessels and petrochemical equipment. SUBSTANCE: described is steel for shell structures of atomic power plants of greater reliability, safety and longer service life. Steel comprises components, wt %: carbon, 0.12-0.20; silicon, 0.15-0.40; manganese 0.25-0.55; chromium, 2.60-3.30; nickel, 0.50-0.90; molybdenum, 0.50-0.90; vanadium 0.20-0.35; copper, 0.01-0.08; sulfur, 0.001-0.010; phosphorus, 0.001-0.010; arsenic, 0.001-0.010; antimony, 0.001-0.010; lead, 0.0003-0.010; bismuch, 0.0003-0.010; tin, 0.01-0.010; calcium, 0.005-0.03; magnesium, 0.005-0.03; nitrogen, 0.0001-0.02; aluminium, 0.005- 0.05; titanium, 0.01-0.04; oxygen, 0.001-0.005; cobalt, 0.005- 0.025; sodium, 0.002-0.01; and iron, the balance; (P+Sb+Sn)= 0.003-0.015. EFFECT: greater service reliability and safety, and longer service life of shell structures of atomic power plants and pressure vessels. 2 tbl

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RU 2 166 559 C2

Authors

Gorynin I.V.

Karzov G.P.

Filimonov G.N.

Berezhko B.I.

Tsukanov V.V.

Grekova I.I.

Orlova V.N.

Nikolaev V.A.

Povyshev I.A.

Prosvirin A.V.

Tsykanov V.A.

Golovanov V.N.

Krasnoselov V.A.

Petrov V.V.

Chernjakhovskij S.A.

Suljagin V.R.

Titova T.I.

Dragunov Ju.G.

Banjuk G.F.

Komolov V.M.

Dates

2001-05-10—Published

1999-07-13—Filed