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1 807 735

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IPC

(21) (22)

Application

4913269/02, 1990-12-10

(22)

Actual filing date

1990-12-10

(45)

Published

1995-04-30

(72)

Inventor

Sagaradze V.V.Nalesnik V.M.Shejnkman A.G.Bibilashvili Ju.K.Aljab'Ev V.M.Barsanov V.I.Kozlov A.V.Lapin S.S.Pavlov V.A.Saraev O.M.Uvarov A.I.Shalaev V.I.

STEEL Russian patent published in 1995 - IPC

Abstract SU 1807735 A1

FIELD: metallurgy. SUBSTANCE: steel has additionally yttrium, magnesium and/or calcium at the following ratio of components, wt.-%: carbon 0.01-0.05; chrome 14.5-17; nickel 14.5-16.5; molybdenum 2-3.3; manganese 0.2-1.2; titanium 0.8-1.3; silicon 0.3-0.6; nitrogen 0.005-0.015; boron 0.0001-0.005; magnesium and/or calcium 0.0005-0.005; yttrium 0.0005-0.005, and iron - the rest. Ratio titanium-(carbon + nitrogen) x 4 is above 0.7. Steel shows decreased radiation swelling, increased ductility, corrosion resistance in the presence of corrosive media at irradiation with quick neutrons under condition of nuclear reactor exploitation. EFFECT: enhanced quality of steel. 2 tbl

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SU 1 807 735 A1

Authors

Sagaradze V.V.

Nalesnik V.M.

Shejnkman A.G.

Bibilashvili Ju.K.

Aljab'Ev V.M.

Barsanov V.I.

Kozlov A.V.

Lapin S.S.

Pavlov V.A.

Saraev O.M.

Uvarov A.I.

Shalaev V.I.

Dates

1995-04-30—Published

1990-12-10—Filed