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2 562 184

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(51)

IPC

C22C38/52(2006-01-01)

(21) (22)

Application

2014123636/02, 2014-06-10

(24)

Start date

2014-06-10

(22)

Actual filing date

2014-06-10

(45)

Published

2015-09-10

(72)

Inventor

Kablov Evgenij NikolaevichShal'Kevich Andrej BorisovichUtkina Aleksandra NikolaevnaGromov Valerij IgorevichBanas Igor' PavlovichKurpjakova Nina AlekseevnaVereshchagina Alla AndreevnaDoroshenko Anton Valer'Evich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Aviatsionnykh Materialov"

HIGH-STRENGTH DISPERSION-HARDENING STEEL Russian patent published in 2015 - IPC C22C38/52

Abstract RU 2562184 C1

FIELD: metallurgy.

SUBSTANCE: proposed composition contains the following substances, in wt %: carbon - 0.22-0.27, silicon - 0.2-0.4, manganese - 0.2-0.6, chromium - 3.3-4.0, cobalt - 8.0-9.5, nickel - 6.0-6.9, molybdenum - 2.5-3.0, tungsten - 0.4-0.6, vanadium - 0.20-0.24, niobium - 0.05-0.15, yttrium - 0.008-0.01, lanthanum - 0.04-0.05, cerium - 0.02-0.03, neodymium - 0.015-0.02, nitrogen - 0.03-0.04, iron making the rest.

EFFECT: higher yield, impact strength and heat resistance at ultimate strength σB making at least 1800 MPa.

2 tbl

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RU 2 562 184 C1

Authors

Kablov Evgenij Nikolaevich

Shal'Kevich Andrej Borisovich

Utkina Aleksandra Nikolaevna

Gromov Valerij Igorevich

Banas Igor' Pavlovich

Kurpjakova Nina Alekseevna

Vereshchagina Alla Andreevna

Doroshenko Anton Valer'Evich

Dates

2015-09-10—Published

2014-06-10—Filed