FIELD: metallurgy.
SUBSTANCE: steel contains carbon, silicon, manganese, nickel, vanadium, niobium, nitrogen, praseodymium, zirconium, boron, selenium and iron at following ratio of elements, wt %: carbon 0.06 - 0.08, silicon 0.12 - 0.16, manganese 0.9 -1.3, nickel 1.6 - 2.0, vanadium 0.14 - 0.18, niobium 0.2 - 0.3, nitrogen 0.001 - 0.002, praseodymium 0.2 - 0.24, zirconium 0.04 - 0.08, boron 0.04 - 0.08, selenium 0.001 - 0.002, iron - the rest.
EFFECT: upgraded durability of steel.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| STEEL | 2009 |
|
RU2382827C1 |
| STEEL | 2008 |
|
RU2361957C1 |
| STEEL | 2007 |
|
RU2338807C1 |
| STEEL | 2008 |
|
RU2364658C1 |
| STEEL | 2008 |
|
RU2364659C1 |
| STEEL | 2011 |
|
RU2478134C1 |
| STEEL | 2010 |
|
RU2416667C1 |
| CAST IRON | 2009 |
|
RU2371507C1 |
| STEEL | 2008 |
|
RU2361962C1 |
| STEEL | 2011 |
|
RU2477760C1 |
