FIELD: metallurgy.
SUBSTANCE: steel contains carbon, silicon, manganese, chrome, titanium, aluminium, rare-earth metals, calcium, niobium, vanadium and iron at following ratio of components, wt %: carbon 0.01 - 0.02, silicon 0.1 - 0.2, manganese 0.2 - 0.4, chrome 17.0 - 19.0, titanium 2.2 - 2.6, aluminium 2.6 - 3.2, rare-earth metals 0.7 - 0.9, boron 0.001 - 0.003, calcium 0.005 - 0.01, niobium 0.3 - 0.4, vanadium 0.4 - 0.6, iron - the rest.
EFFECT: impact resistance of steel is increased.
1 tbl
Title | Year | Author | Number |
---|---|---|---|
STEEL | 2007 |
|
RU2340697C1 |
TOOL STEEL | 2007 |
|
RU2339729C2 |
DIE STEEL | 2011 |
|
RU2445394C1 |
STEEL | 2008 |
|
RU2356994C1 |
STEEL | 2007 |
|
RU2349673C1 |
STRUCTURAL STEEL | 2006 |
|
RU2323272C2 |
STEEL | 2007 |
|
RU2334819C1 |
STEEL | 2006 |
|
RU2308532C1 |
STEEL | 2006 |
|
RU2312929C1 |
STEEL | 2008 |
|
RU2361962C1 |
Authors
Dates
2009-07-20—Published
2008-06-16—Filed