FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy field, particularly to content of cast irons. Cast iron contains components in a following ratio, wt %: carbon 3.5-4.0; silicon 1.0-2.0; manganese 0.2-0.6; hafnium 2.0-3.0; boron 0.5-1.0; magnesium 0.03-0.08; yttrium 0.15-0.25; iron - the rest.
EFFECT: increasing of cast iron heat stability.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CAST IRON | 2013 |
|
RU2525981C1 |
| CAST IRON | 2012 |
|
RU2500829C1 |
| CAST IRON | 2011 |
|
RU2446224C1 |
| IRON | 2006 |
|
RU2326982C2 |
| CAST IRON | 2011 |
|
RU2445390C1 |
| STEEL | 2006 |
|
RU2313616C1 |
| CAST IRON | 2008 |
|
RU2367708C1 |
| IRON | 2006 |
|
RU2326968C2 |
| CAST IRON | 2008 |
|
RU2361950C1 |
| CAST IRON | 2012 |
|
RU2492270C1 |
