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Application

2001116422/02, 2001-06-13

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Start date

2001-06-13

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Actual filing date

2001-06-13

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Published

2003-04-27

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Inventor

Karzov G.P.Markov V.G.Jakovlev V.A.Dragunov Ju.G.Stepanov V.S.Tret'Jakov N.V.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Konstruktsionnykh MaterialovGosudarstvennoe Predprijatie Bjuro

AUSTENITIC SILICON STEEL Russian patent published in 2003 - IPC

Abstract RU 2203346 C2

FIELD: metallurgy of mixed-alloy steels; nuclear energy; manufacture of inside-reactor equipment. SUBSTANCE: steel possesses enhanced long-term strength and radiation resistance at temperature of 300-450 C and lower tendency to local failure of metal of near-seam zone after holding at heat and parent metal after cold deformation followed by holding at heat. Proposed steel contains the following components, mass-%: carbon, 0.005-0.04; silicon, 2.2-2.8; manganese, 0.5-1.0; chromium, 14.0-15.5; molybdenum, 0.8-1.2; titanium, 0.08-0.20, the remainder being iron. Ratio of total content of nickel and manganese to total content of silicon and chromium shall be equal to exceed 0.65 (Ni + Mn/Si + Cr) ≥ 0.65. EFFECT: enhanced long-term strength of steel. 2 tbl

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RU 2 203 346 C2

Authors

Karzov G.P.

Markov V.G.

Jakovlev V.A.

Dragunov Ju.G.

Stepanov V.S.

Tret'Jakov N.V.

Dates

2003-04-27—Published

2001-06-13—Filed

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