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2 125 114

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Application

97120362/02, 1997-12-17

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Actual filing date

1997-12-17

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Published

1999-01-20

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Inventor

Chashchinov V.A.Lemus N.D.Kamyshina K.P.Tsyganko L.K.Shevchenko V.S.Gol'Dfarb A.I.Sotnikov A.A.Chizhik T.A.Sergeev E.D.Rivkin S.I.Gribanov N.N.Sobolev Ju.V.

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Holder

Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Konstruktsionnykh MaterialovAktsionernoe Obshchestvo Otkrytogo Tipa Metallicheskij Zavod"Aktsionernoe Obshchestvo Otkrytogo Tipa Zavody"

CORROSION-RESISTANT STEEL Russian patent published in 1999 - IPC

Abstract RU 2125114 C1

FIELD: metallurgy of deformed high-strength corrosion-resistant steels used in ship-building, manufacture of hydraulic turbines, in particular, in manufacture of parts of ship propellers and turbine wheels of hydraulic turbines operating in corrosive medium under the action of considerable static and cyclic loads. SUBSTANCE: steel contains ingredients in the following ratio, wt. %: carbon, 0.03-0.06; silicon, 0.04-0.4; manganese, 1.0-1.5; chromium, 14.0-15.5; nickel, 4.0-4.4; copper, 0.4-0.95; molybdenum, 0.01-0.28; cerium, 0.01-0.1; iron, the balance. Steel possesses at hot deformation with the following level of mechanical properties: yield strength, not more 650 MPa; ultimate strength, not more 709 MPa; relative elongation, not more 19%; corrosion fatigue of samples with cut on basis of 100x10106 cycles is 150 MPa. EFFECT: creation of highly-strength steel. 1 tbl

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RU 2 125 114 C1

Authors

Chashchinov V.A.

Lemus N.D.

Kamyshina K.P.

Tsyganko L.K.

Shevchenko V.S.

Gol'Dfarb A.I.

Sotnikov A.A.

Chizhik T.A.

Sergeev E.D.

Rivkin S.I.

Gribanov N.N.

Sobolev Ju.V.

Dates

1999-01-20—Published

1997-12-17—Filed

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