FIELD: metallurgy.
SUBSTANCE: steel contains, mas.%: carbon 0.1-0.2; silicon 0.1-0.3; manganese 0.5-1.0; chromium 0.5-1.0; nickel 0.5-1.0; vanadium 0.1-0.2; copper 0.5-1.0; aluminium 0.05-0.1; calcium 0.001-0.003; nitrogen 0.05-0.1; zirconium 0.05-0.1; titanium 0.05-0.1; niobium 0.5-1.0; iron - the rest. Ultimate stress is 550-560 MPa.
EFFECT: upgraded hardness of steel.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| STEEL | 2006 |
|
RU2318069C1 |
| STAINLESS STEEL | 2006 |
|
RU2318072C1 |
| HOT ROLLED STAINLESS STEEL OF HIGH STRENGTH | 2007 |
|
RU2334823C1 |
| STEEL | 2006 |
|
RU2325462C1 |
| STEEL | 2007 |
|
RU2331708C1 |
| STEEL | 2008 |
|
RU2361962C1 |
| IRON | 2006 |
|
RU2332495C1 |
| CAST IRON | 2006 |
|
RU2320764C1 |
| IRON | 2006 |
|
RU2329326C1 |
| CAST IRON | 2006 |
|
RU2311474C1 |
