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2 545 856

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IPC

C22C33/04(2006-01-01)

C22C38/58(2006-01-01)

C22C38/60(2006-01-01)

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Application

2013136360/02, 2013-08-02

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Start date

2013-08-02

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Actual filing date

2013-08-02

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Published

2015-04-10

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Inventor

Grigor'Jants Aleksandr Grigor'EvichShiganov Igor' NikolaevichStarozhuk Evgenij AndreevichGrezev Anatolij NikolaevichMisjurov Aleksandr IvanovichTret'Jakov Roman SergeevichShishov Aleksej Jur'EvichJakushin Boris FedorovichFilonov Mikhail Rudol'FovichGlebov Aleksandr GeorgievichKaputkina Ljudmila MikhajlovnaKaputkin Dmitrij EfimovichKindop Vladimir Ehdel'BertovichSvjazhin Anatolij Grigor'EvichSmarygina Inga VladimirovnaBlinov Evgenij Viktorovich

(73)

Holder

Rossijskaja Federatsija, Ot Imeni Kotoroj Vystupaet Ministerstvo Promyshlennosti I Torgovli Rossijskoj Federatsii Rossii)

HIGH-STRENGTH CRYOGENIC AUSTENITE WELDABLE STRUCTURAL STEEL AND STEEL OBTAINMENT METHOD Russian patent published in 2015 - IPC C22C33/04 C22C38/58 C22C38/60

Abstract RU 2545856 C2

FIELD: metallurgy.

SUBSTANCE: steel contains the following elements, wt %: C 0.05-0.07, Cr 18.0-20.0, Ni 5.0-7.0, Mn 8.0-10.0, Mo 1.4-1.8, Si 0.25-0.35, N 0.25-0.28, Al 0.0015-0.0035, rare earth elements 0,005-0,008, the rest is Fe and impurities. Steel contains the following components as impurities, wt %: Cu 0.05, S 0.0025, P 0.010, Sn 0.005, Pb 0.005, Bi 0.005, As 0.005.

EFFECT: required strength parameters at room temperature, resilience at cryogenic temperatures and weldability ensured.

2 cl, 1 tbl

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RU 2 545 856 C2

Authors

Grigor'Jants Aleksandr Grigor'Evich

Shiganov Igor' Nikolaevich

Starozhuk Evgenij Andreevich

Grezev Anatolij Nikolaevich

Misjurov Aleksandr Ivanovich

Tret'Jakov Roman Sergeevich

Shishov Aleksej Jur'Evich

Jakushin Boris Fedorovich

Filonov Mikhail Rudol'Fovich

Glebov Aleksandr Georgievich

Kaputkina Ljudmila Mikhajlovna

Kaputkin Dmitrij Efimovich

Kindop Vladimir Ehdel'Bertovich

Svjazhin Anatolij Grigor'Evich

Smarygina Inga Vladimirovna

Blinov Evgenij Viktorovich

Dates

2015-04-10—Published

2013-08-02—Filed