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
Title | Year | Author | Number |
---|---|---|---|
RAIL STEEL | 2003 |
|
RU2259418C2 |
RAIL STEEL | 2008 |
|
RU2365667C1 |
RAIL STEEL | 2005 |
|
RU2295587C1 |
RAIL STEEL | 2003 |
|
RU2259416C2 |
RAIL STEEL | 2002 |
|
RU2232202C1 |
RAIL STEEL | 2008 |
|
RU2365666C1 |
RAIL STEEL | 2004 |
|
RU2256000C1 |
RAIL STEEL | 2009 |
|
RU2410462C1 |
STEEL | 2003 |
|
RU2259417C2 |
RAIL STEEL | 2010 |
|
RU2449045C1 |
Authors
Dates
2004-12-10—Published
2003-08-04—Filed