FIELD: metallurgy.
SUBSTANCE: invention refers to metallurgy, particularly to compositions of iron. Iron contains elements at a following ratio, wt %: carbon 2.8-3.2, silicon 1.0-1.4, manganese 0.8-1.2, aluminium 0.2-0.3, nitrogen 0.03-0.07, copper 0.8-1.2, chromium 0.6-1.2, niobium 0.8-1.0, rhenium 0.2-0.4, iron - the rest.
EFFECT: upgraded hardness of iron.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| IRON | 2007 |
|
RU2336356C1 |
| CAST IRON | 2008 |
|
RU2367707C1 |
| CAST IRON | 2006 |
|
RU2304180C1 |
| CAST IRON | 2009 |
|
RU2387730C1 |
| CAST IRON | 2007 |
|
RU2351683C1 |
| CAST IRON | 2008 |
|
RU2361955C1 |
| CAST IRON | 2008 |
|
RU2375491C1 |
| CAST-IRON | 2011 |
|
RU2459003C1 |
| CAST IRON | 2006 |
|
RU2308524C1 |
| CAST IRON | 2008 |
|
RU2361001C1 |
