FIELD: metallurgy.
SUBSTANCE: invention refers to metallurgy, particularly to compositions of iron. Iron contains elements at a following ratio, mass %: carbon 2.7-3.3; silicon 1.7-2.3; manganese 0.7-1.3; aluminium 0.2-0.4; chromium 0.7-1.3; nickel 0.7-1.3; niobium 0.1-0.2; nitrogen 0.07-0.13; cerium 0.07-0.13; magnesium 0.007-0.013; iron - the rest.
EFFECT: upgraded hardness of iron.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CAST IRON | 2007 |
|
RU2355804C1 |
| CAST IRON | 2007 |
|
RU2333277C1 |
| MALLEABLE CAST IRON | 2009 |
|
RU2403306C1 |
| IRON | 2009 |
|
RU2388841C1 |
| IRON | 2006 |
|
RU2327778C1 |
| IRON | 2006 |
|
RU2327787C1 |
| CAST IRON | 2006 |
|
RU2320764C1 |
| CAST IRON | 2009 |
|
RU2386717C1 |
| CAST IRON | 2009 |
|
RU2410461C1 |
| CAST IRON | 2006 |
|
RU2320756C1 |
