RAIL STEEL Russian patent published in 2002 - IPC

Abstract RU 2194791 C1

FIELD: metallurgy. SUBSTANCE: invention relates to development of rail steel for speed railways sites exploited at temperature below 60 C. Invention proposes rail steel comprising components taken in the following ratio, wt. -%: carbon, 0.71-0.87; silicon, 0.40-1.20; manganese, 0.70-1.30; chrome, 0.10- 1.20; vanadium, 0.05-0.20; titanium, 0.01-0.05; aluminum, 0.014-0.05; nitrogen, 0.007-0.020; calcium, 0.02-0.04; lanthanum, 0.001-0.005; neodymium, 0.001-0.005; cerium, 0.003-0.010; iron, the balance. Ratio of aluminum to nitrogen = 2.0-2.5. Invention provides the enhancement of impact viscosity at negative temperatures below 60 C, hardness of rail head rolling of surface and wear resistance. EFFECT: improved properties and indices of steel. 2 cl, 2 tbl

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RU 2 194 791 C1

Authors

Parshin V.A.

Valetov M.S.

Danilin Ju.A.

Derjabin A.A.

Zudov A.F.

Il'In V.I.

Krupin M.A.

Kuzovkov A.Ja.

Nikitin S.V.

Sokolov S.N.

Tishaev S.I.

Fetisov A.A.

Shekhovtsev E.V.

Shur E.A.

Dates

2002-12-20Published

2001-09-21Filed