FIELD: metallurgy.
SUBSTANCE: steel contains the following, wt %: carbon 0.1-0.15; silicone 0.4-0.6; manganese 0.2-0.4; chrome 4.5-6.0; yttrium 0.01-0.02; copper 1.2-1.7; calcium 0.001-0.002; niobium 0.5-0.9; cobalt 0.2-0.3; boron 0.1-0.15; iron is the rest.
EFFECT: increasing steel strength.
tbl
| Title | Year | Author | Number |
|---|---|---|---|
| STEEL | 2011 |
|
RU2447182C1 |
| STEEL | 2014 |
|
RU2544216C1 |
| STEEL | 2014 |
|
RU2544215C1 |
| STEEL | 2008 |
|
RU2356994C1 |
| STEEL | 2006 |
|
RU2321672C1 |
| CAST IRON | 2008 |
|
RU2354738C1 |
| STEEL | 2011 |
|
RU2445395C1 |
| DIE STEEL | 2006 |
|
RU2308534C1 |
| TOOL STEEL | 2007 |
|
RU2339729C2 |
| WEAR-RESISTANT STEEL | 2006 |
|
RU2310008C1 |
