FIELD: metallurgy.
SUBSTANCE: steel contains carbon, silicon, manganese, nickel, vanadium, niobium, nitrogen, praseodymium and iron at following ratio of components, wt %: carbon 0.08 - 0.1, silicon 0.2 - 0.25, manganese 0.2 - 0.25, nickel 2.5 - 3.0, vanadium 0.2 - 0.25, niobium 0.1 - 0.15, nitrogen 0.001 - 0.002, praseodymium 0.6 - 0.75, iron and impurities - the rest.
EFFECT: raised strength of steel.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| STEEL | 2009 |
|
RU2394933C1 |
| STEEL | 2009 |
|
RU2382827C1 |
| STEEL | 2008 |
|
RU2361957C1 |
| STEEL | 2007 |
|
RU2338807C1 |
| STEEL | 2010 |
|
RU2422550C1 |
| DIE STEEL | 2008 |
|
RU2361008C1 |
| STEEL | 2008 |
|
RU2361960C1 |
| CAST IRON | 2011 |
|
RU2448182C1 |
| STRUCTURAL STEEL | 2011 |
|
RU2445396C1 |
| HOT ROLLED STAINLESS STEEL OF HIGH STRENGTH | 2007 |
|
RU2334823C1 |
