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2 447 183

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(51)

IPC

C22C38/48(2006-01-01)

(21) (22)

Application

2011112950/02, 2011-04-05

(24)

Start date

2011-04-05

(22)

Actual filing date

2011-04-05

(45)

Published

2012-04-10

(72)

Inventor

Kablov Evgenij NikolaevichShal'Kevich Andrej BorisovichBanas Igor' PavlovichGromov Valerij IgorevichUtkina Aleksandra NikolaevnaKorobova Elena NikolaevnaVereshchagina Alla AndreevnaSedov Oleg Vladimirovich

(73)

Holder

Rossijskaja Federatsija V Litse Ministerstva Promyshlennosti I Torgovli Rossijskoj Federatsii Rossii)

HEAT-RESISTANT BEARING STEEL Russian patent published in 2012 - IPC C22C38/48

Abstract RU 2447183 C1

FIELD: metallurgy.

SUBSTANCE: proposed steel comprises carbon, silicon, manganese, nickel, molybdenum, vanadium, nitrogen, sulfur and iron at the following ratio in wt %: carbon - 0.8 - 1.1, silicon - 0.3 - 0.5, manganese - 0.1 - 0.4, chromium - 4.5 - 5.5, tungsten - 1-1.5, nickel - 0.15 0.4, molybdenum - 3.0 - 3.5, vanadium - 0.5 - 1.0, niobium - 0.1-0.3, tantalum - 0.05-0.15, iron making the rest.

EFFECT: higher fatigue strength, flexural strength, impact number and structural uniformity.

2 tbl, 1 ex

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RU 2 447 183 C1

Authors

Kablov Evgenij Nikolaevich

Shal'Kevich Andrej Borisovich

Banas Igor' Pavlovich

Gromov Valerij Igorevich

Utkina Aleksandra Nikolaevna

Korobova Elena Nikolaevna

Vereshchagina Alla Andreevna

Sedov Oleg Vladimirovich

Dates

2012-04-10—Published

2011-04-05—Filed