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2 516 187

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(51)

IPC

C22C38/40(2006-01-01)

(21) (22)

Application

2013115840/02, 2013-04-09

(24)

Start date

2013-04-09

(22)

Actual filing date

2013-04-09

(45)

Published

2014-05-20

(72)

Inventor

Blinov Viktor MikhajlovichBannykh Oleg AleksandrovichKostina Marija VladimirovnaAndreev ChavdarLukin Evgenij IgorevichBlinov Evgenij ViktorovichRigina Ljudmila Georgievna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Uchrezhdenie Nauki Institut Metallurgii I Materialovedenija Im. A.A. Bajkova Rossijskoj Akademii Nauk Ran)

HIGH-NITROGEN MARTENSITE NICKEL STEEL Russian patent published in 2014 - IPC C22C38/40

Abstract RU 2516187 C1

FIELD: metallurgy.

SUBSTANCE: steel comprises the following components, wt %: carbon 0.02-0.06, chrome 1.5-2.0, nickel 8.5-10.5, nitrogen 0.08-0.22, manganese 0.3-0.6, silicon 0.1-0.3, iron - balance.

EFFECT: high strengthening of steel due to formation of a fine-grained structure of a nitrogen packet martensite with layers of residual austenite, providing for increased operational reliability and durability of products of cryogenic equipment.

4 cl, 1 dwg, 2 tbl

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RU 2 516 187 C1

Authors

Blinov Viktor Mikhajlovich

Bannykh Oleg Aleksandrovich

Kostina Marija Vladimirovna

Andreev Chavdar

Lukin Evgenij Igorevich

Blinov Evgenij Viktorovich

Rigina Ljudmila Georgievna

Dates

2014-05-20—Published

2013-04-09—Filed