FIELD: metallurgy.
SUBSTANCE: steel contains carbon, silicon, manganese, nickel, vanadium, niobium, nitrogen, praseodymium and iron at following ratio of components, wt %: carbon 0.06 - 0.08, silicon 0.25 - 0.35, manganese 1.1 - 1.4, nickel 5.2 - 6.2, vanadium 0.07 - 0.09, niobium 0.07 - 0.09, nitrogen 0.003 - 0.005, praseodymium 0.6 - 0.8, iron and impurities - the rest.
EFFECT: raised strength of steel.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| STEEL | 2008 |
|
RU2361957C1 |
| STEEL | 2009 |
|
RU2394933C1 |
| STEEL | 2009 |
|
RU2382827C1 |
| STEEL | 2007 |
|
RU2338807C1 |
| STEEL | 2010 |
|
RU2416667C1 |
| CAST IRON | 2007 |
|
RU2355804C1 |
| STEEL | 2008 |
|
RU2364658C1 |
| STRUCTURAL STEEL | 2006 |
|
RU2323272C2 |
| STEEL | 2006 |
|
RU2326987C1 |
| STEEL | 1992 |
|
RU2012684C1 |
