FIELD: metallurgy.
SUBSTANCE: iron contains elements at a following ratio, mas.% carbon 2.7-3.3; silicon 1.0-1.7; manganese 1.0-1.7; titanium 0.05-0.1; zirconium 0.05-0.1; calcium 0.005-0.01; niobium 0.5-1.0; boron 0.04-0.08; copper 0.9-1.3; aluminium 0.05-0.1; nitrogen 0.05-0.1; iron - the rest.
EFFECT: upgraded hardness of iron.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CAST IRON | 2007 |
|
RU2333282C1 |
| CAST IRON | 2006 |
|
RU2308525C1 |
| CAST IRON | 2006 |
|
RU2320761C1 |
| CAST IRON | 2008 |
|
RU2361000C1 |
| CAST IRON | 2007 |
|
RU2334010C1 |
| HEAT RESISTANT IRON | 2006 |
|
RU2327764C1 |
| STEEL | 2011 |
|
RU2478134C1 |
| CAST IRON | 2009 |
|
RU2380445C1 |
| CAST IRON | 2007 |
|
RU2333277C1 |
| CAST IRON | 2017 |
|
RU2642223C1 |
