FIELD: metallurgy.
SUBSTANCE: invention refers to metallurgy, particularly to compositions of iron. Iron contains elements at a following ratio, mass %: carbon 2.4-2.8; silicon 1.4-1.8; manganese 0.8-1.2; chromium 0.8-1.2; vanadium 1.4-1.8; aluminium 0.8-1.2; copper 0.8-1.2; zirconium 0.2-0.4; titanium 0.1-0.2; niobium 0.8-1.2; iron - the rest.
EFFECT: upgraded hardness of iron.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CAST IRON | 2007 |
|
RU2337995C1 |
| CAST IRON | 2006 |
|
RU2359060C2 |
| CAST IRON | 2006 |
|
RU2306356C1 |
| CAST IRON | 2009 |
|
RU2387730C1 |
| CAST IRON | 2007 |
|
RU2333271C1 |
| CAST IRON | 2006 |
|
RU2320764C1 |
| CAST IRON | 2006 |
|
RU2296809C1 |
| CAST IRON | 2007 |
|
RU2333278C1 |
| CAST IRON | 2006 |
|
RU2318049C1 |
| IRON | 2007 |
|
RU2334808C1 |
