RAIL STEEL Russian patent published in 2004 - IPC

Abstract RU 2241779 C1

FIELD: iron metallurgy, in particular rail steel.

SUBSTANCE: claimed steel contains (mass %): carbon 0.2-0.31; silicium 1.0-1.3; manganese 1.5-1.9; chromium 1.1-1.4; vanadium 0.09-0.15; aluminum ≤0.005; calcium 0.0005-0.0049; molybdenum 0.2-0.5; niobium 0.003-0.03; nickel 0.05-0.3; boron 0.003-0.002; and balance: iron. Additionally alloy may contain (mass %) sulfur ≤0.015: phosphorus ≤0.020; copper ≤0.2.

EFFECT: steel with improved mechanical properties; rail with increased maintainability.

2 tbl

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RU 2 241 779 C1

Authors

Vorozhishchev V.I.

Pavlov V.V.

Shur E.A.

Devjatkin Ju.D.

Pjatajkin E.M.

Kozyrev N.A.

Nikitin S.V.

Korneva L.V.

Dates

2004-12-10Published

2003-08-04Filed