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2 232 202

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IPC

(21) (22)

Application

2002135941/02, 2002-11-28

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Start date

2002-11-28

(22)

Actual filing date

2002-11-28

(45)

Published

2004-07-10

(72)

Inventor

Kozyrev N.A.Vorozhishchev V.I.Dement'Ev V.P.Chernjak S.S.Sychev P.E.Tuzhilina L.V.

(73)

Holder

Irkutskij Institut Inzhenerov Zheleznodorozhnogo Transporta

RAIL STEEL Russian patent published in 2004 - IPC

Abstract RU 2232202 C1

FIELD: ferrous metallurgy.

SUBSTANCE: invention relates to manufacturing steel for rail runway. Invention claims steel comprising components taken in the following ratio, wt.-%: carbon, 0.3-0.5; silicon, 0.8-1.5; manganese, 1.3-1.7; chrome, 0.6-1.5; vanadium, 0.08-0.15; aluminum, 0.05-0.015; nitrogen, 0.010-0.020; calcium, 0.001-0.020; molybdenum, 0.05-0.4; nickel, 0.001-0.30; iron, the balance. Invention provides enhancing complex of mechanical properties and hardness of steel for elevating exploitation stability of runways.

EFFECT: improved and valuable properties of rail steel and runways.

2 cl, 2 tbl

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RU 2 232 202 C1

Authors

Kozyrev N.A.

Vorozhishchev V.I.

Dement'Ev V.P.

Chernjak S.S.

Sychev P.E.

Tuzhilina L.V.

Dates

2004-07-10—Published

2002-11-28—Filed