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2 515 716

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IPC

C22C38/58(2006-01-01)

C22C38/54(2006-01-01)

(21) (22)

Application

2013119429/02, 2013-04-26

(24)

Start date

2013-04-26

(22)

Actual filing date

2013-04-26

(45)

Published

2014-05-20

(72)

Inventor

Dub Aleksej VladimirovichSkorobogatykh Vladimir NikolaevichDegtjarev Aleksandr FedorovichOrlov Aleksandr SergeevichErshov Nikolaj Sergeevich

(73)

Holder

Rossijskaja Federatsija, Ot Imeni Kotoroj Vystupaet Gosudarstvennaja Korporatsija Po Atomnoj Ehnergii

LOW-ACTIVATED FIRE-RESISTANT RADIATION-RESISTANT STEEL Russian patent published in 2014 - IPC C22C38/58 C22C38/54

Abstract RU 2515716 C1

FIELD: metallurgy.

SUBSTANCE: steel contains, wt %: carbon 0.16-0.25, silicon 0.30-1.30, manganese 0.50-2.00, chrome 10.00-13.50, tungsten 0.50-2.50 and/or molybdenum 0.60-0.90, vanadium 0.20-0.40, nickel 0.50-0.80, niobium 0.20-0.40 and/or tantalum 0.01-0.30, boron 0.001-0.008, cerium 0.001-0.02 and/or zirconium nitride, aluminium 0.005-0.02, iron and admixtures - balance.

EFFECT: steel has high fire resistance with preservation of low level of induced radioactivity and its quick collapse.

4 cl, 3 tbl

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RU 2 515 716 C1

Authors

Dub Aleksej Vladimirovich

Skorobogatykh Vladimir Nikolaevich

Degtjarev Aleksandr Fedorovich

Orlov Aleksandr Sergeevich

Ershov Nikolaj Sergeevich

Dates

2014-05-20—Published

2013-04-26—Filed